An ac three-position short fan tray is now available with an energy-efficient smart thermal control. Designated the OA300ST Series, the smart thermal controller independently increases or decreases the speed of the three fans in response to the ambient air temperature, reducing power consumption by up to 30 percent.

A line of pressure-independent control valves (PICVs) that integrate three functions into a single device — control valve, adjustable flow limiter, and automatic pressure regulator — are available. The line is engineered to offer accuracy and flexibility which simplifies planning, installation, and commissioning.

Maytag®’s B6 air handlers include two types of evaporator coils to reduce – or eliminate – the No. 1 cause of coil leaks — formicary corrosion — said the company. The air handlers have all-aluminum evaporator coils and its Anteater™ technology.

Added to the line of flexible indoor systems, the EZ-Fit air conditioner is a modular cooling system designed to overcome the problems of replacing old air conditioning systems without site demolition or the need of special lifting or rigging equipment. Each module ships in three manageable sections.

Designed for use in residential applications where homeowners’ rooms are uncomfortably hot or cold because their forced-air furnace/air conditioner blower cannot provide adequate velocity, the Duct Booster® register booster fans can now increase comfort.

Redesigned, the Benchmark 3000 boiler features high turndown for energy efficiency, lower operating costs, and high reliability in a compact footprint. Incorporating the company’s stainless steel, fire-tube design, the boiler can satisfy environmental requirements, and provides flexibility to fit in both retrofit and new construction.

Fiberglass duct liner ToughGard Ultra*Round offers acoustical, thermal, and moisture control performance for spiral duct applications. It is a fiberglass duct liner overlaid with an extremely tough and durable fire-resistant black composite airstream surface, which is scored to allow for easy installation in spiral air ducts.

When space restrictions prevent the use of in-line duct fans, EXT External Mount Duct Fans can be used, said the company. EXT fans provide a simple through-the-wall solution, and can be sidewall mounted on the exterior of a building to allow for easy access to the fan. Installation space can be as little as 4 inches.

Model T1100RF wireless thermostat and T1100REC receiver offer maximum comfort with minimum effort due to a completely wireless thermostat, seven-day programmability with four time periods per day, and a copy command. The thermostat is compatible with most two-stage heat, two-stage cool equipment.

The Infinity® 98 gas furnace line with Greenspeed intelligence operates at a gentle, low capacity up to 90 percent of the time. When combined with an Infinity control, the modulating gas valve in the Infinity 98 furnace can adjust heating output up and down through multiple stages in 1 percent increments.