Serviceability features: Easy service across all unit sections with hinged access doors and lockable handles. Slide-out access for filters, economizer, supply fan, and energy recovery wheel. Fast connection with color-coded wiring connections for identification and analysis, resulting in reduced service time and cost. Simplify circuit evaluation with labels on individual components and wires.

Noise-reduction features: Dampen radiated fan and compressor sounds with the standard double-wall, rigid, foam-injected polyurethane cabinet construction. Fans are controlled with VFDs for variable air control and reduced fan sound. Further sound reduction available with optional compressor sound blankets.

IAQ equipment supported: Cooling cleaning or single pass air disinfection with UV lights option. Drain pans are stainless steel double-sloped designed for positive drainage and prevention of microbial growth. Units are available with airflow monitoring and CO2 override for monitoring and improving IAQ. The cleanable double-wall panel construction further inhibits microbial growth from occurring.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: Some models of the Alpha heat pumps are available with a cold climate capability option that provides higher heating capacities than conventional heat pumps, even down to 0°F outdoor temperatures.

Warranty information: Standard one-year parts and five-year compressor warranty. Optional two-year, five-year, or 10-year parts warranty. Standard 15-year aluminized or 25-year stainless steel heat exchanger warranty.

Special installation requirements: None.

Contact: Aaon, 918-583-2266; www.aaon.com

Serviceability features: Hinged access doors provide easy access to the inner components. Finger-Save electrical connections and components. Optional 4-, 7-, or 10-inch touchscreen equipment interface.

Noise-reduction features: 2-inch double-wall foam insulated construction.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Manufacturer did not specify.

Additional features: The PR delivers exceptional performance and versatility. Featuring a wide range of size and option combinations, it’s a perfect match for every application requiring dedicated outdoor air, mixed air, and dehumidification. Addison specializes in customer-specified semi-custom solutions for those highly engineered applications as well. From retail, hospitality, and more, the PR is perfect fit. The PR also comes with a new desiccant wheel option for applications that require an ultra-low dew point.

Warranty information: One-year all parts and five-year compressor. Optional extended warranties available.

Special installation requirements: Manufacturer did not specify.

Contact: Addison, 407-292-4400; www.addison-hvac.com

Serviceability features: High- and low-pressure service ports and panel-mounted FPT water connections with no backup wrench needed. A two-digit diagnostic display indicates either the current operational mode or a fault code. With nuisance trip protection, unit will attempt to start up to three times with a fault signal. If the fault continues, the unit locks out. Over/under voltage protection.

Noise-reduction features: Fully insulated cabinet with 1-inch foil face insulation for the air handling section and 1-inch Tuf-Skin insulation for the compressor section.

IAQ equipment supported: One- to 2-inch convertible filter rail.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: Alarm relay is activated if the unit locks out. Random sequencing start timer. Non-corrosive thermoplastic condensate pan is sloped for positive drainage. Condensate overflow sensor. Test mode with LED indicator speeds up control timers for service personnel. Air coil freeze sensor. Vacated premises control allows the unit to operate for either one or two hours per day (total) during extended periods of unoccupancy (requires optional kit).

Warranty information: One-year parts and five-year compressor.

Special installation requirements: All controls and water connections are accessible from front of cabinet. Cabinet is field convertible. ETL, AHRI, and Energy Star certified.

Contact: AE-Air, 214-388-5751; ae-air.com

Serviceability features: Easy-to-install, plug-and-play accessories that do not require disassembly. Quick-connect electric connections. Side and bottom connection entrances.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Antimicrobial condensate drain pan resists growth of mold and mildew on drain pan, which improves IAQ and reduces drain line blockage.

Thermostat compatibility: Compatible with mostthermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Q-Series rooftop units install quickly with quality that can be trusted. Thanks to smart time-saving features, the Q-Series arrives at the jobsite ready to install, making it an excellent choice for light commercial applications. No special rigging or brackets required for placement. Base rails with forklift slots. Ultra-low NOx (≤ 14ng/J) gas/electric models are available. This unit, packaged, will fit in the back of a pickup truck bed, in between the wheel wells.

Warranty information: Ten-year limited warranty on aluminized gas heat exchanger, five-year limited warranty on compressor, and one-year limited warranty on covered components.

Special installation requirements: The Q-Series has several features designed to reduce both installation and service time. It accommodates both horizontal and downflow applications; no special rigging or brackets are required for placement; side and bottom connection entrances; base rails with forklift slots; quick-connect electric connections; and factory-installed float switch.

Contact: Allied Air Enterprises, 803-738-4000; www.allied-commercial.com

Serviceability features: Easy filter access; slide-out condenser fan; easy-to-access service ports; external filter service light; and diagnostic service tool display with superheat and subcooling. Industrial grade indoor and outdoor fans provide years of trouble-free service.

Noise-reduction features: Modulating outdoor fan and multiple-speed ECM indoor fan.

IAQ equipment supported: Built-in ventilation options and MERV 13 filter option.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The MEGA-TEC is designed for applications requiring a large amount of sensible cooling capacity and limited wall space. Dual refrigeration circuits and a total of three stages, with the lowest stage less than 35% of the total capacity, provide cooling for an area with a varying heat load. AHRI-certified 10+ EER solution that meets Department of Energy requirements. An optional economizer provides full-flow outdoor air intake and room exhaust based on outside temperature or enthalpy.

Warranty information: Five-year warranty on compressor and sealed refrigeration components. One-year warranty on other functional components per Bard’s warranty policy.

Special installation requirements: Manufacturer did not specify.

Contact: Bard Mfg. Co., 419-636-1194; www.bardhvac.com

With inverter technology

Serviceability features: Easy filter access; easy-to-access service ports; indoor color touchscreen interface; easy-to-clean coils; and diagnostic service display.

Noise-reduction features: Modulating compressor and fan operation; compressor sound cover; indoor sound reduction accessories; and optional outdoor sound reduction curb with rubber vibration isolation.

IAQ equipment supported: Built-in ventilation options include economizer outdoor air intake and energy recovery ventilator; dehumidification option; up to MERV 13 filter; UV-C light option; and BPI option.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: This heat pump is an energy-efficient self-contained system designed to offer maximum indoor comfort with consistent temperatures. True capacity control is based on cooling and heating demand, providing a comfortable, quiet, and energy-efficient indoor environment for occupants. Features include an inverter compressor, ECM indoor and outdoor motors, indoor color touch screen interface, and sound reduction accessories.

Warranty information: Five-year warranty on compressor and sealed refrigeration components. One-year warranty on other functional components per Bard’s warranty policy.

Special installation requirements: Manufacturer did not specify.

Contact: Bard, 419-636-1194; www.bardhvac.com

Serviceability features: Core units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy to service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Champion Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, Champion Core heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.championhomecomfort.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tcoreachp_cha_ds/champion-core-packaged-rooftop-units

Serviceability features: These rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Champion Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.championhomecomfort.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tproachp_cha_ds/champion-pro-packaged-rooftop-units

Serviceability features: The boiler features a hinged burner for easy access and offers boiler room space savings with a 3-inch side clearance.

Noise-reduction features: The boiler operates quietly, <70 3 dba sound level at feet.< p>

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Manufacturer did not specify.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: This fully condensing boiler is up to 99% efficient due to its high-mass firetube construction with patented TurboFer heat exchanger technology and innovative integrated controls. The linkage-less burner provides fully modulating 10:1 turndown standard without the use of complex air/fuel mixing valves. With less than 20 ppm NOx and sub-7 ppm NOx optional, the CFC-E helps meet sustainability goals. It also offers future-proof fuel flexibility in a compact design.

Warranty information: Extended non-prorated warranties include a lifetime warranty against thermal stress and a 15-year warranty against fireside corrosion. Optional extended warranties are available for parts, burner canister, and fireside corrosion.

Special installation requirements: The CFC-E is simple to install and integrate into a system due to its robust, low-flow tolerant design.

Contact: Cleaver-Brooks, 770-974-9741; www.cleaverbrooks.com

Serviceability features: These rooftop units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy to service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Coleman Point Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, Point Core heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.colemanac.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tpointcoreachp_col_ds/coleman-point-core-packaged-rooftop-units

Serviceability features: These rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Coleman Point Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.colemanac.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tpointproachp_col_ds/coleman-point-pro-packaged-rooftop-units

Serviceability features: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Exceeds ASHRAE 90.1 efficiencies. Galvanized steel construction front access panel. Corrosion-resistant polymer drain pan. Sound-absorbing glass fiber insulation. Unique double-isolation compressor mounting for quiet operation. Insulated divider and separate compressor/air handler compartments. Copeland scroll compressors (size 024 and above). TXV metering device. Microprocessor controls standard. Field-convertible discharge air arrangement for horizontal units

Warranty information: Mars/Comfort-Aire/Century warrants all parts of the HBH/HBV water-source heat pump used in commercial applications to be free from defects in workmanship and materials for normal use and maintenance for one year from the date of purchase by the original consumer for the original installation. This Express Limited Warranty applies only when the water-source heat pump is installed as part of a complete matched system.

Special installation requirements: Manufacturer did not specify.

Contact: Mars/Heat Controller, 517-787-2100; marsdelivers.com

Serviceability features: These VRF systems come with two front access panels. The top one is for all the electrical components, and the bottom one is for all of the mechanical aspects of the unit.

Noise-reduction features: Units come equipped with an intelligent fan motor paired with new innovative fan blades.

IAQ equipment supported: Units can be equipped with humidity sensors, Cooper and Hunter cassettes, and concealed ducted units that come with a built-in fresh air adapter.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: These units have heat recovery features, so they can cool and heat simultaneously.

Warranty information: Standard warranty of one year for out-of-the-box equipment. Extended 10-year warranty on parts and compressor once the equipment has been registered.

Special installation requirements: All installing contractors have to go through a one-time class for installation, so they can be certified and apply for the warranty.

Contact: Comfortside LLC, 786-953-6706; cooperandhunter.us

Serviceability features: For ease of service, there is one panel to gain access to the heat exchanger, condenser fans, and all water connections. Plus, there is a second panel that provides access to the compressor and other refrigeration circuit components. All panels are removeable for easy access to components.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: The Trailblazer HP is an air-to-water heat pump chiller that provides a reversing function that allows the chiller to switch between heating and cooling modes based on the temperature requirements of the space or process being conditioned. With its advanced technology, the chiller is up to 300% efficient at typical operating conditions, which leads to a significant reduction in energy use and direct greenhouse gas emissions, as well as day-to-day operating costs.

Warranty information: One year from startup or 18 months from shipment, whichever is first.

Special installation requirements: The Trailblazer HP a modular product; up to eight chillers can be installed together and controlled as a single unit.

Contact: Daikin Applied, 612-202-8774; www.daikinapplied.com

Standard-efficiency, gas/electric heat pump and cooling rooftops, 3 to 25 tons

Serviceability features: Designed for convenient servicing. Easy access to fan, motor, control panel, gas valves, and compressor with optional toolless, hinged-access doors. Standard features include slide-out blower for easy access and removal; sloped drain pan; contactors with lugs; high- and low-pressure switches; high-capacity steel-cased filter driers; crankcase heater; built-in filter rack for 2-inch filters convertible to 4 inches; and color-coded wires and labeled field connections for easy point-to-point component connections. Removable drain pan facilitates maintainability. Direct-drive motor eliminates belts/pulleys maintenance.

Noise-reduction features: Low-noise scroll compressors help improve quiet operation.

IAQ equipment supported: Unit provides a draw-through filter section as standard for better air quality and long-lasting component maintenance. Factory-installed economizers are available for providing and controlling fresh, outside air.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Daikin’s standard-efficiency RTUs bring ease of installation, efficient operation, and outstanding limited warranties. Features include 5-mm condensing coils, and Daikin’s most durable stainless steel tubular heat exchanger. Factory-installed options include hinged access panels, powered or unpowered convenience outlets, non-fused disconnect switch, return and/or supply air smoke detectors, economizer, and phase monitor. Microchannel technology creates an efficient coil with increased airflow heat transfer. New Daikin LCXpress Selection Tool is designed specifically for rooftop configuration.

Warranty information: DFG rooftop units are covered by a 20-year heat exchanger limited warranty and a five-year parts limited warranty. DFC/DFH rooftop units are covered by a five-year parts limited warranty. Complete warranty details are available from local dealer, distributor, or manufacturer representative. To receive the parts limited warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.

Special installation requirements: Engineered as an easy direct replacement for most rooftop units without the need for a curb adapter. All sizes include built-in, through-the-base options and horizontal access knockouts for easy in-field wiring and piping installation. Supply fan comes standard for downflow applications and field convertible for horizontal applications. Base protective fork guides made of 0.095-inch steel limit handling damage. Select and build the proper packaged system based on project needs using the new Daikin LCXpress Tool.

Contact: Daikin Comfort Technologies North America Inc., 713-861-2500; northamerica-daikin.com

High-efficiency, gas/electric heat pump and cooling rooftops, 3 to 12.5 tons

Serviceability features: Easy access to fan, motor, control panel, gas valves, and compressor with optional, toolless hinged access doors. Standard features include slide-out blower for easy access and removal; sloped drain pan; contactors with lugs; high- and low-pressure switches; high-capacity steel-cased filter driers; crankcase heater; built-in filter rack for 2-inch filters (convertible to 4 inches); and easy point-to-point component connections with color-coded continuously marked wires and labeled field connections. Removable drain pan facilitates maintainability. Heat exchanger wrinkle bend technology adds durability.

Noise-reduction features: High-efficiency, two-stage, low-noise scroll compressors help improve quiet operation. The direct-drive supply fan, with airfoil single width, single inlet (SWSI) Class II construction, features aluminum fan and blades, which provide efficient, quiet operation at wide-ranging static pressure and airflow requirements.

IAQ equipment supported: Unit provides a draw-through filter section as standard for better air quality and long-lasting component maintenance. Filters installed on the units are standard off-the-shelf sizes for easy replacement. One size filter per unit lowers maintenance cost and makes replacement simpler. Factory-installed economizers are available for providing and controlling fresh outside air. Removable drain pan helps improve IAQ (compared to previous designs).

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: These new, high-efficiency RTUs bring ease of installation, efficient operation, and outstanding limited warranties. Patented 5-mm SmartCoil technology creates a high-efficiency coil with increased airflow heat transfer. Tubular stainless steel heat exchanger with patented wrinkle-bend technology adds durability and overall efficiency. Factory-installed options include hinged access panels, powered or unpowered convenience outlets, non-fused disconnect switch, return and/or supply-air smoke detectors, economizer, and phase monitor. New Daikin LCXpress Selection Tool is designed specifically for rooftop configuration.

Warranty information: The DRG line of RTUs is covered by a 20-year heat exchanger limited warranty and a five-year parts limited warranty. DHC/DRH rooftop units are backed by a five-year parts limited warranty. Complete warranty details are available from local dealer, distributor, or manufacturer representative. To receive the parts limited warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.

Special installation requirements: These high-efficiency RTUs are engineered as an easy direct replacement for most rooftop units without needing a curb adapter. Includes built-in, through-the-base options and horizontal access knockouts for easy in-field wiring and piping installation. Supply fan comes standard for downflow applications and is field convertible for horizontal applications. The direct-drive ECM motor eliminates belts and pulleys for easier in-the-field installation and airflow balance. Base protective fork guides made of 0.095-inch steel help limit handling damage.

Contact: Daikin Comfort Technologies North America Inc., 713-861-2500; northamerica-daikin.com

Serviceability features: VRV Emerion is designed for easy servicing. A service window provides quick access to configuration buttons and multifunctional display showing refrigerant pressures and temperatures, eliminating the need to connect gauges during routine maintenance. Convenient drop-down electrical box for easy access to internal components. Built-in data recorder simplifies diagnostics. Integrates with Daikin Hero ecosystem, an IoT-based remote monitoring/diagnostics platform. Hot gas defrost circuit eliminates need for base pan heater, helping improve defrost and reduce ice accumulation.

Noise-reduction features: Standard operating sound levels are minimized by Daikin’s proprietary, inverter-driven, variable-speed scroll compressors, providing system sound-pressure levels as low as 58 dBA. Nighttime quiet mode.

IAQ equipment supported: Compatible with 100% outside air processing unit (FXMQ_MFVJU) and energy recovery ventilator (VAM_GVJU), providing sufficient levels of fresh outside air and recovering waste heat from extracted air leaving the conditioned zone.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Highly energy efficient, up to 28.5 IEER, the space-saving VRV EMERION can expand with a building’s phased construction. Single- or dual-module lineup; connect just two for up to 40-ton capacity. Standard heating down to -13°F with high-heating capacities at 17°F make an ideal, all-electric, all-seasons heat pump solution. Dual-fuel ready to optimize utility rates. Longer piping lengths allow coverage up to 360-feet vertical. Refrigerant-cooled inverter board. Three-segment panel designed for easier installation and service.

Warranty information: VRV products offer a 10-year parts commercial warranty. Complete warranty details are available from local dealer, distributor, or manufacturer representative. To receive the parts warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.

Special installation requirements: Compact lightweight (430 lbs.) units are transportable using a dolly and elevator, saving time and labor. Design flexibility allows system enlargement from single- to dual-module without changes to installed main pipe sizes for phased installation or tenant fit-out buildings. Wiring costs reduced up to 27.4% in MCA values compared to previous series. Currently available for heat pump applications in 208/230 V or 460 V. Local code compliance-ready from factory via alignment with compliance needs.

Contact: Daikin Comfort Technologies North America Inc., 713-861-2500; northamerica-daikin.com

Serviceability features: Developed for easy installation and service, these compact

(389/16 (h) by 301/8 (w) by 221/16 (d) inches, lightweight (430 pounds) units are transportable using a dolly and elevator, saving time, labor, and space. Choose between top or front connection for refrigerant piping for added flexibility. Convenient drop-down electrical box offers easy access to internal components. New configurator software plus an easy-to-read, seven-character display simplifies commissioning and maintenance.

Noise-reduction features: These systems make a great solution for sound-sensitive environments. No external operation sound is produced by condensing units to disturb building neighbors, as water-cooled VRV systems are installed indoors only. Standard operating sound levels are minimized with Daikin engineered and manufactured, proprietary, inverter, variable-speed scroll compressors, providing system sound-pressure levels as low as 54 dBA.

IAQ equipment supported: An optional compact energy recovery ventilator is designed to improve IAQ, while reducing overall HVAC power consumption.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Engineered for buildings with cooling tower water loops or geothermal applications. Single modules available in 8, 10, and 12 tons; can be manifolded together with up to three units to form one system up to 36 tons. Simultaneous heating and cooling is available with heat recovery configuration. Provides all the attributes of an air-cooled VRV system, including the added flexibility for cold-climate applications, low sound levels, advanced comfort control, and zoning.

Warranty information: VRV products offer a 10-year parts limited warranty and a 10-year replacement compressor limited warranty. Complete warranty details are available from local dealer, distributor, or manufacturer representative. To receive the parts limited warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.

Special installation requirements: Designed for maximum flexibility with placement, these powerfully compact Daikin units feature a unique zero-heat dissipation principle, obviating the need for ventilating or cooling the technical room. Compact casing allows for stacking of the units to maximize space. Developed for easy installation and servicing with field-selectable top or front refrigerant connections. VRV T-Series can utilize existing building systems such as cooling towers, dry coolers, and boilers during renovation for further cost savings.

Contact: Daikin Comfort Technologies North America Inc., 713-861-2500; northamerica-daikin.com

Serviceability features: These heat pump rooftop units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy-to-service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Fraser-Johnston Relia Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, these heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.fraser-johnston.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tcoreachp_fra_ds/fraser-johnston-relia-core-packaged-rooftop-units

Serviceability features: These heat pump rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Fraser-Johnston Relia Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.fraser-johnston.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tproachp_fra_ds/fraser-johnston-relia-pro-packaged-rooftop-units

Serviceability features: Equipped with a service window that enables an instant access to the PCB switches and quick check on the error indication.

Noise-reduction features: The systems feature low operating sound levels for indoor and outdoor units. Indoor units can be as low as 21 dB (similar to a soft whisper) and outdoor units can be as low as 57 dB.

IAQ equipment supported: Several of the different Indoor unit types have options for integration of filtered outside air. In addition, the VU-V system can be configured with dedicated outside air units with air filters.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Expanded

outdoor unit capacity, from 6 to 36 tons. Larger single module outdoor units, up to 16 tons. Up to 26% less space with larger single module outdoor units. Both heat pump and heat recovery operation available from one unit. Increased number of connectable indoor units. Extended ambient air temperature operating range from -15°F to 126°F. Intelligent refrigerant control optimizes individual zone comfort.

Warranty information: For systems that are installed and commissioned by a qualified contractor there is a five-year warranty on parts and seven-year warranty on the compressor. See warranty statement for full details.

Special installation requirements: Installation of the VU-V system is described in the Installation Manual.

Contact: Fujitsu General America Inc., 888-888-3424; www.fujitsugeneral.com

Serviceability features: Huracan fans use simple-to-install down rod hangers that can be loosened, allowing the unit to be rotated for easy access to the control section on the back. The control section is spacious and easily accessed, so troubleshooting is easy and quick. Most units can use 115-, 208-, or 230-V power, making them easy to service or convert if electrical power changes.

Noise-reduction features: Vibration-isolating fan mounts are used, along with tight-tolerance components to eliminate squeaking or rubbing noises. Unique quiet motors eliminate operating noise while the movable louvers that direct air where required utilize springs to lock them into place.

IAQ equipment supported: The fan can move air through the light field of a field-supplied UV light fixture aimed at the ceiling. By moving large volumes of air within the space, it allows the other IAQ equipment supplied in the space to purify more air.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The Huracan fan can be used in spaces with ceilings between 10 and 60 feet tall. Moving heat from the ceiling or roof area reduces exfiltration and corresponding cold air infiltration at ground level. This ensures occupant comfort and productivity and reduces heating load in the space. Initial and operating costs can be minimized by selecting the optimal model and control scheme for the space. The robust design ensures years of worry-free use.

Warranty information: Five-year warranty on mechanical and electrical operating components.

Special installation requirements: Lightweight and simple in design ensures a quick and efficient install. The fan utilizes common lighting voltages and low power consumption so providing power is a snap. The hangers can be adjusted to enable easy access and a quick wiring job. The thermostat connections are made externally simplifying installation even further. The fan can be connected to many types of structures so it can be placed exactly where needed.

Contact: Reznor, 636-561-7375; www.reznorhvac.com

Serviceability features: These rooftop units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy-to-service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Johnson Controls Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, Core heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.johnsoncontrols.com/hvac-equipment/rooftop-units/core

Serviceability features: These rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Johnson Controls Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.johnsoncontrols.com/hvac-equipment/rooftop-units/pro

LFTHW 301, 399

Serviceability features: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: Laars Commercial FT Series boilers utilize DHW Smart Priority™ technology that is activated when paired with indirect water heaters. The boiler’s control evaluates operating conditions and allows for simultaneous domestic water and space heating production when the domestic water does not need the full input of the boiler. This unique feature optimizes customer comfort by always delivering heat where it is needed.

Warranty information: Commercial warranty: 10-year heat exchanger and one-year parts

Special installation requirements: Available in 301 and 399 MBH sizes, boilers come with many included components to make installation easier, such as top and bottom gas and water connections; external air intake filter; primeless condensate trap; auto air eliminator vent; wall mounting kit; outdoor sensor; and propane conversion kit. Easily convert to a floor standing boiler via a field-installed floor stand kit for ultimate field installation flexibility for new or retrofit installations.

Contact: Laars Heating Systems; www.laars.com

Serviceability features: The Lennox CORE service app brings guided setup menus for install, test, and balance; network integration; detail runtimes; and service history to the technician’s hand. Each unit comes standard with toolless filter access, isolated compressor compartment, and accessible gas compartment, which reduces service time. Each of these features allow technicians to quickly perform service and maintenance on every Enlight rooftop unit.

Noise-reduction features: Rooftop units all feature two-speed compressors, ECM outdoor fans, and variable-speed indoor fans, which greatly reduce the noise levels during part-load operation and startup.

IAQ equipment supported: Rooftop units support factory-installed UV-C lights, needlepoint bipolar ionization, high-efficiency MERV filters, and Lennox’s all new IAQ monitoring system to provide superior IAQ and year-round comfort. The IAQ monitoring system measures both return and supply air to report TVOC and PM2.5 and reports on filter efficiency to detect filter bypass and replacement.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: The 6.5- through 20-ton heat pumps feature independent defrost cycles, which decrease the runtime of electric heat and improve comfort in the space. The CORE unit controller and mobile service app provide a first-of-its-kind interface. The built-in wireless gateway provides quick and easy connection to the mobile app, as well as optional wireless zone sensors. Real-time data readouts make servicing Lennox rooftop units easier than ever before.

Warranty information: Five-year compressor. High-performance economizers and variable-frequency drives (inverters) are warrantied by Lennox for a period of five years when installed in all applications.

Special installation requirements: The Core service app replaces a traditional built-in user interface on the Core unit controller and provides guided setup menus for install, test and balance, and network integration. The app also facilitates seamless commissioning of wireless sensors and sensor networks compatible with the Core control system.

Contact: Lennox Commercial, 972-333-8094; www.lennoxcommercial.com

ARWM072BAS5

Serviceability features: LG offers technical support over the phone at 888-865-3026, Monday-Friday from 8 a.m. to 6 p.m. Central time

Noise-reduction features: When these water-source units operate fully loaded, the sound may seem almost undetectable during off-peak operation. To promote a quiet, comfortable environment, these units can operate at sound levels as low as 48 dBA in cooling and heating mode at rated AHRI operating conditions. All rotating components are soft-started by the controller using digitally controlled inverters, which reduces undesirable noise caused by compressors cycling on and off.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: The unit controls continuously vary the indoor unit fan speed and refrigerant flow, indirectly providing lower and more consistent humidity levels in the conditioned space.

Replacement parts compatibility: Manufacturer did not specify.

Additional features: Multi V Water 5 water-source unit, equipped with an inverter compressor, offers superior load matching and long piping installation. The product can optimize power consumption in high-rise buildings. Add-on features allow upgrade to the existing capacity at any time. Sophisticated electronic control and unique refrigerant flow give these systems the capability to perform in many extreme/unusual working conditions.

Warranty information: Standard limited warranty program: one-year parts and an additional six-year compressor warranty for qualified products (parts only). The standard parts and compressor limited warranty may be extended to a total of 10 years (parts only) for qualifying, registered products that have been commissioned in accordance with the limited warranty’s terms and conditions. For warranty details, visit lghvac.com

Special installation requirements: The LG Multi V Water 5 streamlines cooling and heating, minimizing the need for complex mechanical and control design. Designers are relieved of tasks like connecting water piping, designing duct systems, and selecting various components such as chillers, pumps, and fans, because the comprehensive system components, supplied by LG, come pre-engineered with controls. This also eliminates the necessity for custom programming by third-party contractors.

Contact: LG Air Conditioning Technologies USA; lg.com

FCB1000N, FCB1500N, FCB2000N, FCB2500N, FCB3000N, FCB4000N, FCB5000N, FCB6000N

Serviceability features: Boilers offer supreme serviceability for technicians. The Smart Touch interface features a cutting-edge, 10-inch, capacitive touchscreen that allows for at-a-glance system status and performance enhancements. A unique integrated controls platform also features LED status and fault indicators on the control boards to help with diagnosis in the field.

The refined industrial design features narrower front doors and lighter yet more durable side panels that make maneuvering and servicing a snap.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: These boilers feature a revolutionary O2 sensor designed to adapt to rapidly changing environmental conditions. Seasonal changes, drastic weather shifts, and altitude are all compensated for. No matter what is happening outside, Hellcat combustion technology is automatically adjusting for optimal combustion. The control platform learns the optimal settings and logs that information in real time, allowing it to adjust to accommodate peak demand, providing the most efficient operation.

Warranty information: Ten-year limited warranty, five-year warranty on the burner, and 18 months on all other parts.

Special installation requirements: Contractors should refer to the Installation and Operation Manual for details on installation requirements.

Contact: Lochinvar, 615-889-8900; www.lochinvar.com

Serviceability features: These units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy to service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Luxaire Optimum Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, these heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.luxaire.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tcoreachp_lux_ds/luxaire-optimum-core-packaged-rooftop-units

Serviceability features: These units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Luxaire Optimum Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.luxaire.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tproachp_lux_ds/luxaire-optimum-pro-packaged-rooftop-units

CMB-WP1016NU-AA; CMB-WP108NU-AA; CMB-WP1016NU-AB; CMB-WP108NU-AB

Serviceability features: This two-pipe VRF zoning system uses an innovative Hybrid Branch Circuit Controller to exchange heat between refrigerant and water outside of occupied spaces within a low-pressure, closed loop, hydronic system. Components inside the Hybrid Branch Controller are set up for tool-free serviceability by the use of clips attaching each component together. All that’s required for servicing or replacing components is removing a few clips to pull that component out.

Noise-reduction features: Indoor units and components are low noise compared to other products on the market, at 30 to 35 dBA in most cases, depending on model size. Indoor units offer five airflow settings. The outdoor units operate down to 55 dBA.

IAQ equipment supported: Indoor units are equipped with multi-part filtration systems to reduce contaminants such as allergens, viruses, and bacteria. Hybrid VRF is also compatible with the PremiSys DOAS, which provides conditioned ventilation air.

Thermostat compatibility: Requires a special thermostat.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: This two-pipe VRF zoning system uses a Hybrid Branch Circuit Controller to exchange heat energy between refrigerant from the outdoor unit and water, transferring heat to the units in the occupied spaces. It can be intermixed with standard VRF systems on projects requiring no refrigerant in smaller spaces, such as multifamily, hotels, and student housing. Developers can choose between air-source or water-source units for design flexibility and efficiency.

Warranty information: Standard warranty: one-year parts and seven-year compressor to original owner. Extended warranty Hybrid BC Controller and indoor components: five years if system installed and registered within 90 days of installation. Extended warranty compressor and outdoor components: 10 years if system installed and registered within 90 days of installation.

Special installation requirements: Hybrid VRF can be installed using Multi-Layer Composite Piping (MLC), also known as barrier pipe. It is a unique piping solution to cut down on installation and piping material costs related to installing a Hybrid VRF system.

Contact: Mitsubishi Electric Trane HVAC US, 404-992-6123; https://metahvac.com

Serviceability features: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Manufacturer did not specify.

Replacement parts compatibility: Manufacturer did not specify.

Additional features: Factory ETL labeled, showing proof of product compliance to North American safety standards. Up to 26:1 turndown for natural gas and 20:1 for propane, and 100% of available heat goes into airstream. Integral safeties and limits. NEMA 4 gas train enclosure. Factory tested at Heatco with end-of-the-line validation at Nortek Air Solutions to ensure successful startup. Listed for Makeup Air ANSI Z83.4/CSA 3.7. Great option for Nortek’s makeup air handlers

Warranty information: Standard 12 month from startup or 18 month from shipment.

Special installation requirements: These direct fired gas burners are only to use 100% outside air in the draw-through configuration. The maximum temperature rise with natural gas across the burner shall not exceed 125°F (110°F with propane) with a maximum discharge temperature of 145°F.

Contact: Nortek Air Solutions, 636-561-7300; www.nortekair.com

Reverse cycle integrated (RCI) coil air-source heat pump

Serviceability features: Manufacturer did not specify.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Manufacturer did not specify.

Replacement parts compatibility: Manufacturer did not specify.

Additional features: Provides an extremely cost-effective and efficient solution for heating and cooling, especially where ground water or tower loops are not otherwise available. Extremely high COP at very low ambient temperatures. Provides economical compressor heat at any ambient temperature. Capable of heating outdoor air from 0°F to 72°F without expensive auxiliary heat. Only requires a minimal amount of pre-heat below 0°F.

Warranty information: Standard 12 month from startup or 18 month from shipment.

Special installation requirements: Manufacturer did not specify.

Contact: Nortek Air Solutions, 636-561-7300; www.nortekair.com

Serviceability features: Accessing the controls section is fast and easy with the quarter-turn latch hinged door. The electrical connections are simple and easy to make. The thermostat connections are made externally, saving time and frustration. Most EUH models allow a variety of voltage and phase combinations, making them easy to move or update to new electrical power types. There are no venting requirements, reducing future servicing needs.

Noise-reduction features: All Reznor unit heaters have rubber mounted fan and venter fan motors to reduce vibration transmission. Additionally, the unit heater structure is designed for an extremely close tolerance fit to reduce vibration induced noise and ensure optimal operation.

IAQ equipment supported: EUH unit heaters, like the balance of the Reznor unit heater line, help evenly distribute air in the space and provide heating to improve comfort and provide the best humidity levels. All Reznor unit heaters can be operated in fan only mode if desired to assist with air movement — even without the need for heating. This air movement enhances the effectiveness of space IAQ devices.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The EUH offers multi-voltage/phase units in the most commonly used capacities, reducing complexity for the user and the distributor alike. The EUH’s air proving switch ensures fan operation before the heating elements are energized, ensuring safe use. The EUH utilizes state-of-the-art heating elements that are completely stainless steel-sheathed and finned for best life and heating performance. Along with the robust structure and design, these units are built Reznor Robust.

Warranty information: Give-year electrical and mechanical operating component warranty.

Special installation requirements: Installation is made easy with external thermostat connections. Other control options are available and also utilize the external connections. Moving a few wires inside the easily accessible control section enables the multi-voltage/phase units to be quickly converted for the electrical power supplied. The supplied wall hanger is robust and connects to the wall and the unit in two places, ensuring a quiet and neat install, enhancing the installer’s reputation.

Contact: Reznor, 636-561-7375; www.reznorhvac.com

Serviceability features: With all Reznor gas-fired unit heaters it is easy to assess operation from ground level with a green LED indicating proper operation or a need for service. Accessing the digital fault code display on the control board is easy with the quarter-turn latch hinged door. The fault code display ensures the diagnosis and repair can be completed quickly and readily using service parts from any of the 1,400+ Reznor distributor locations in the USA and Canada.

Noise-reduction features: All Reznor unit heaters have rubber mounted fan and venter fan motors to reduce vibration transmission. Additionally, the unit heater’s structure is designed for an extremely close tolerance fit to reduce vibration induced noise and ensure optimal operation.

IAQ equipment supported: UEZ unit heaters, like the balance of the Reznor unit heater line, help evenly distribute air in the space and provide heating to improve comfort and best humidity levels. All Reznor unit heaters can be operated in fan only mode if desired to assist with air movement even without need for heating. This air movement enhances the effectiveness of space IAQ devices.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The UEZ unit heater provides enhanced energy efficiency to eliminate unnecessary operating costs. Its unique two-stage heat exchanger efficiently strips heat from the exhaust combustion gases to heat the space. The heat exchanger’s unique configuration reduces the static pressure within the unit to reduce electricity consumption, thus reducing the monthly electricity bill. The heat exchanger fluid shape also ensures less fouling with dust and debris, which can minimize air flow ensuring optimal comfort and cost.

Warranty information: Standard 10-year warranty on the heat exchanger. Additional five-year warranty on mechanical and electrical operating components.

Special installation requirements: The UEZ unit heater installation is extremely easy. The gas, condensate, and thermostat connections are made externally on the unit for easy access. In addition, the UEZ comes with a built-in disconnect switch, enabling local power control. The unit also comes with all the necessary parts to easily convert from natural gas to propane so only one unit covers all needs. The provided condensate trap simplifies condensate management.

Contact: Reznor, 636-561-7375; www.reznorhvac.com

3-5 ton Classic Plus Line packaged unit and RGECZT

Serviceability features: This packaged unit features a streamlined footprint with serviceability advantages that empower facility managers, while contractors can save up to 100 minutes during installation. The unit’s compatibility with prevalent configurations in inlet, outlet, and electrical connections simplifies replacements With Qwik-Slide blower, removing three screws provides full access to the blower compartment. With the Qwik-Clean drain pan, remove four screws to slide out the drain pan with built-in overflow switch. Removeable heat exchanger assembly.

Noise-reduction features: The compressor compartment houses the heartbeat of the unit. The scroll compressor is known for its long life and for reliable, quiet, and efficient operation. The scroll housing and blower scroll provide quiet and efficient airflow and due to the exterior location of the unit, noise in the conditioned space is decreased.

IAQ equipment supported: The Qwik-Change flex-fit rack accommodates 4-inch MERV 8 or MERV 13 filters quickly and easily and without the addition of options or accessories. Additionally, Rheem’s field-installed UV-C light kit can be added for fresher, cleaner indoor air.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The Renaissance 3-5 ton Classic Plus Line offers higher efficiency and maximized value through advanced technologies. Powerful performance is delivered through innovations like Humididry, a reheat technology that offers superior dehumidification and energy savings in single-phase power and three-phase power units. Rheem’s patent-pending Velocifin heat exchanger improves heat transfer through an innovative velocity concept to increase efficiency. These industry-leading technologies create better comfort throughout the building so occupants stay comfortable year-round.

Warranty information: One-year limited parts, five-year compressor, 10-year standard heat exchanger, and 20-year stainless steel heat exchanger.

Special installation requirements: Renaissance units were engineered to make replacement jobs a breeze, featuring industry-common footprints that eliminate the need for a curb adapter. The common piping and electrical connection locations and standard convertible airflow add to its ease of install. And, designed with components to minimize weight, Renaissance units are among the lightest in the industry.

Contact: Rheem Mfg. Co., 800-621-5622; rheem.com

Serviceability features: These heat pump rooftop units come standard with next-generation Smart Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy to service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: TempMaster Omni Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, these heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.tempmaster-hvac.com/packaged-rooftop-units/3125tcoreachp_tem_ds/tempmasteromni-core-packaged-rooftop-units

Serviceability features: These heat pump rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: TempMaster Omni Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart Equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.tempmaster-hvac.com/packaged-rooftop-units/3125tproachp_tem_ds/tempmaster-omni-pro-packaged-rooftop-units

Serviceability features: Built on Trane’s Ascend chiller platform, ACX leverages Trane

controls knowledge and expertise to provide consistent quality and reliability supported by Trane’s major distribution and local office support. The common platform facilitates maintenance, servicing, and component sourcing.

Noise-reduction features: Available compressor factory-installed acoustical treatment, as well as an optional noise reduction request to allow for a lower sound signature during nighttime operation. Maintenance-free, long-life EC fan motors reduce sound at part loads.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Manufacturer did not specify.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: Ascend Model ACX offers high efficiency for heating and cooling performance as a result of its boiler free heating. Intermediate discharge valves and variable volume ratio technology enhance system efficiency while maintenance-free, long-life EC fan motors improve efficiency and reduce sound at part loads. Dual electronic expansion valves (one for cooling and one for heating) are built-in metering devices for refrigerant, which ensure proper amount of refrigerant to provide reliable operation in different modes.

Warranty information: The standard warranty is full parts for 12 months from startup or 18 months from shipment, whichever comes first.

Special installation requirements: The unit’s Symbio 800 controller features open standard protocol, enabling seamless and secure integration with your building automation system, leveraging secure remote IP connectivity (BACnet, Modbus) and optional Trane Air-Fi wireless technology and LonTalk communication protocols for simplified equipment monitoring and management. Post installation, Symbio can connect with Trane energy analysis and 24/7 system monitoring services to ensure Trane chillers are continuously optimized for efficiency and uptime.

Contact: Trane, www.trane.com/commercial

Serviceability features: These packaged rooftop units (12.5 to 25 tons) have been redesigned to reduce complexity and improve serviceability. The new Symbio 700 controller includes an intuitive onboard interface and Bluetooth-enabled Service and Installation app that clearly displays system alarms and diagnostics, making troubleshooting quick and easy. Plus, there are no fan belts to adjust, filters are easy to replace, and every unit has toolless coil guards and hinged access to the control panels.

Noise-reduction features: Precedent units provide a solution to address all four pillars of indoor air quality: dilute accomplished via ventilation (economizers); exhaust accomplished via building pressure relief (barometric relief/power exhaust); contain accomplished via humidity control (modulating hot gas reheat); and clean accomplished via filtration (MERV 8 or MERV13 filters).

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Available in standard and high efficiency, these rooftop units use an electric heat pump as the primary heating method with supplementary natural gas heating for colder days. The redesigned units include the new Symbio controller that optimizes performance, improves serviceability, and provides connectivity. The new heat pumps have best-in-class warranty coverage, include standard coil guards and new options including 10:1 modulating gas heat and modulating hot gas reheat for enhanced comfort.

Warranty information: Standard limited warranties include three-year parts and controls and five-year compressor. Systems also include 10-year aluminized heat exchanger and 15-year stainless steel heat exchanger.

Special installation requirements: New Precedent models arrive ready to install — no adapter curb is needed for nearly all replacements. Units are convertible — shipped in the downflow configuration and can easily be converted to horizontal. The controller setup and configuration can be completed using the onboard user interface or the Symbio Service and Installation app that connects directly via Bluetooth and provides guided start-up tasks.

Contact: Trane, 704-655-4000; www.trane.com/commercial

With energy recovery

Serviceability features: Resealable refrigerant fittings between the cabinet sections preserve factory refrigerant charge and eliminate on-site brazing and charging.

Noise-reduction features: Double-wall liner with 1-inch Insulation. Compressor in isolated compartment.

IAQ equipment supported: Two-inch MERV 13 filters.

Thermostat compatibility: Marvel premium microprocessor is factory installed.

Replacement parts compatibility: Does not share replacement parts with other models.

Additional features: Total energy recovery wheel; backward curved direct-drive plenum fans with ECMs; and modulating hot gas reheat and subcooling coil (for increased efficiency).

Warranty information: One-year limited parts warranty and five-year limited compressor warranty

Special installation requirements: The Alpha Aire II is an indoor, horizontal, single package air-source heat pump with an energy recovery wheel (for DOAS applications) that is installed above the ceiling. The outdoor air intake duct and condenser discharge duct are connected to louvers installed in an exterior wall.

Contact: United CoolAir, 918-557-5828; www.unitedcoolair.com

Serviceability features: Citadel can be stacked two-high. All connections to the boiler are at the rear of the unit, making installations in narrow mechanical spaces possible. The front and both side panels are removable. The burner door pulls off on a rail, so there’s no lifting or moving it around. The advanced Concert control provides touchscreen navigation and allows cascade control of up to eight boilers, with data/event logging and Modbus connectivity.

Noise-reduction features: Manufacturer did not specify.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: Citadel fits through standard door openings. Front and both side panels are removable. Concert control provides touchscreen navigation with data/event logging and Modbus connectivity. A three-in-one vent connector (Citadel models) provides multiple venting options. Up to 300 equivalent feet of venting on Citadel XL models, 200 equivalent feet for Citadel models. Separate low- and high-voltage boards simplifies wiring.

Warranty information: Ten-year limited heat exchanger and one-year parts and burner warrant.

Special installation requirements: Citadel XL models are available with 208/60Hz/1ph and 230/60hz/1ph electrical options.

Contact: U.S. Boiler Co., 717-397-4701; www.usboiler.net

Serviceability features: Like the rest of the chiller line, the TruClimate 700 has advanced performance monitoring, making it easy to service and access. It comes standard with the field-proven HydroLink2 Aurora controls platform that offers set-point control, trending, and diagnostics. On top of that, the unit features an easy-to-use 10-inch touch-screen interface for convenient external troubleshooting and setup. The modularity of the screw chiller enables it to fit through a standard 36-inch doorway.

Noise-reduction features: The fully enclosed cabinet offers improved sound attenuation.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: The TruClimate 700 modular screw chiller features DC-inverted variable-speed control, allowing the system to ramp up and down as needed to achieve maximum performance. It is also capable of producing 40°F water while simultaneously producing 145°F water. On top of that, the unit can turn down to 25% capacity for even better efficiency. The advanced controls enable the end user to bank and control up to ten 140-ton chillers.

Warranty information: Standard 12-month parts-only warranty. Up to five-year optional compressor warranties are also available.

Special installation requirements: For detailed guidance on installation, installers should reference the TruClimate 700 installation manual.

Contact: WaterFurnace Intl., 260-479-3251; www.waterfurnace.com/commercial

Serviceability features: The SVF line features a stainless steel vertical firetube and shell heat exchanger design for best-in-class corrosion resistance, along with intuitive, user-friendly control systems to make installation and operation easy. The color touchscreen Unity 2 and NURO controls are included as a standard feature, enabling advanced diagnostic and troubleshooting along with remote monitoring capability. Furthermore, the line features industry-leading thermal efficiency up to 98%, unrivaled ease of maintenance, and Weil-McLain boiler design reliability and longevity.

Noise-reduction features: A smartly designed sealed cabinet provides whisper-quiet operation. An insulated heat exchanger and DHW pipes reduce heat loss and noise, while a sound-suppressing air silencer on the heat exchanger suppresses potential nuisance tones.

IAQ equipment supported: Manufacturer did not specify.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Shares replacement parts with other models.

Additional features: The Unity 2 controller simplifies boiler system design for specifying engineers and improves control interface commonality and communication across the entire product line. Similarly, the 7-inch NURO touch-screen control system monitors and modulates combustion and ignition levels to maintain desired outlet temperatures, allowing users to maximize efficiency. Real-time visual alarms with diagnostics and troubleshooting tips, variable-speed pumping, and connected remote monitoring grant the ability to control a boiler system anytime from anywhere.

Warranty information: Up to 10 years on the heat exchanger and up to two-year parts with registration.

Special installation requirements: SVF boilers are designed with the contractor in mind and include setup and installation features that save time, labor, and money. The boilers are shipped in a fast-removal crate with an integral unloading ramp. Industrial-grade roller casters allow for placement in tight spaces and without fork truck requirement. Additionally, a door-fit design allows for passage through standard 36-inch doorways, while an integrated burner-in-cover plate design minimizes overhead design requirements to just 18 inches.

Contact: Weil-McLain, 855-248-1777; www.weil-mclain.com

Serviceability features: These heat pump rooftop units come standard with next-generation Smart

Equipment and can connect seamlessly to a controls system and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection to support proactive maintenance and minimize downtime. An optional Mobile Access Portal (MAP) gateway with Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site to diagnose issues.

Noise-reduction features: Use of scroll compressor technology means a simple internal design and fewer moving parts, equating to a quiet, reliable, easy to service, and efficient system. Balanced outdoor fan design makes for a quieter unit.

IAQ equipment supported: Core units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: York Sun Core heat pump rooftop units are convertible single package units that are offered with multiple efficiency tiers and options available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: Designed to match up directly with select competitor electrical, control, and gas connections, Core units are economically designed for new construction and direct replacement applications to minimize the need for transition curbs. With two cabinet sizes that fit perfectly within many existing unit footprints, these heat pump rooftop units simplify the transition process by avoiding material, labor, and height restrictions that transition curb solutions typically encounter.

Contact: Johnson Controls, 414-344-8594; www.york.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tcoreachp_ds/york-sun-core-packaged-rooftop-units

Serviceability features: These heat pump rooftop units come standard with features like toolless, hinged access panels and a slide-out blower for easier service. An optional Mobile Access Portal (MAP) gateway with a Wi-Fi hotspot provides access to commissioning, configuration, and maintenance logs using a mobile smart device for fewer trips to the job site or the roof to diagnose issues.

Noise-reduction features: Unit compressors have internal spring isolation and sound muffling to minimize vibration and noise and are externally isolated on a dedicated, independent mounting location.

IAQ equipment supported: Pro units are offered with an optional economizer with barometric relief or powered exhaust to allow for adjustable levels of outside air. Additional options exist to provide humidity control through factory-installed hot gas reheat and IAQ customizations like airflow monitoring and UV lights through the Norman Modification Center.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: York Sun Pro heat pump rooftop units are convertible single package units with a common footprint cabinet and common roof curb for all 6.5- through 12.5-ton models. Models are available that meet Department of Energy (DOE) 2023, ASHRAE 90.1-2019, and IECC 2021 requirements. Smart equipment enabled, the sophisticated, prepackaged controls platform helps maximize control for greater efficiency, extended equipment life, and reduced operating costs.

Warranty information: Standard one-year parts warranty and either a six-month or one-year promotional labor warranty, which is standard for authorized contractors.

Special installation requirements: The units can be easily installed on a roof curb, slab, or frame. All Pro units are self-contained and assembled on rigid full perimeter base rails, allowing for three-way forklift access and overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide quick and easy field installation.

Contact: Johnson Controls, 414-344-8594; www.york.com/commercial-equipment/packaged-split-dx/packaged-rooftop-units/3125tproachp_ds/york-sun-pro-packaged-rooftop-units

Serviceability features: The YMAE delivers high-performance within a compact, modular design. The small footprint enables forklift loading to streamline the installation process. And the modular configuration provides maximum flexibility in both new and retrofit applications. Up to four modules can be kitted together, factory tested, and shipped as a single unit to simplify installation and streamline commissioning. Additionally, YMAE are Smart Equipment enabled and feature a built-in OptiView LT controller that provides easy-to-read faults and diagnostics.

Noise-reduction features: EC fans improve standard sound performance levels. If requirements call for sound attenuation beyond standard low-noise levels, an optional Ultra Quiet Kit can further reduce sound power by 5 dBA.

IAQ equipment supported: YMAE heat pumps are compatible with a full suite of system-matched humidifiers, dehumidifiers, germ-killing UV-C lighting, and high-efficiency filtration designed to enhance

IAQ performance.

Thermostat compatibility: Compatible with most thermostats.

Replacement parts compatibility: Some shared parts and some unique parts.

Additional features: YMAE heat pumps are optimized to deliver energy-efficient performance. New-to-market, electronic vapor injection (EVI) scroll compressors significantly improve system capacity and efficiency and allow the YMAE to provide high water temperatures at low ambient conditions. A high-efficiency brazed plate heat exchanger minimizes refrigerant use and provides efficient heat transfer performance within a compact design. An optional four-pipe design and full-inverter platform enable simultaneous heating and cooling to further improve efficiency and enhance occupant comfort.

Warranty information: Standard parts and labor warranty of 12 months from startup or 18 months from shipment. Optional warranties up to five years are available.

Special installation requirements: Heat pumps are available in two- and four-pipe designs for dedicated heating and simultaneous heating and cooling. The modular design enables flexible installation within small spaces, and YMAE modules can be kitted together to meet the requirements of larger scale applications. Up to four modules can be factory kitted, tested, and shipped as a complete unit.

Contact: Johnson Controls, 844-628-2529; www.johnsoncontrols.com