Over the last few decades, rooftop units have moved ahead with numerous technological advances. Both light (3- to 25-ton units) and large commercial packaged rooftop systems (25 tons and up) have matured in style and substance, now offering cleaner air, lower operating costs, more efficient performance, and more.
It isn’t just the small business owners and homeowners who are looking to increase the energy efficiency of their buildings and homes — it’s the big utility companies as well. What did one utility company recently do upgrade its overall efficiency?
The YORK® YVWA water-cooled screw chiller features energy-saving variable-speed technology. The design of the chiller, with energy-saving variable-speed technology, helps cut energy costs and carbon emissions by as much as 30 percent, said the company.
NeoTherm® LC condensing boiler is a fully packaged, 1 million Btu, space-saving hydronic unit that offers 94 percent thermal efficiency. It is a direct vent, sealed combustion boiler that modulates with a 10 to 1 turndown. Zero clearance to combustibles with all piping and wiring from the back makes it a good choice for tight installations.
Business and building owners often face a dilemma when considering replacing or updating their HVAC system. Too often the recommendation is to retrofit an existing building with energy-efficient HVAC in order to save money on energy costs, but then the question arises — how to fund the investment?
With ratings of Class 1, Group C and D, Divisions 1 and 2 and Class 2, Groups F and G, Divisions 1 and 2; and Temperature Code T3B, 165°C (329°F), the portable hazardous location heater is shipped ready to be hard wired for use. The heater is ideal for providing seasonal heating in hazardous environments.
HVAC contractors — both residential and commercial — place a great deal of emphasis on system maintenance and how it directly relates to lower operating and service costs. Here some HVAC contractors weigh in with tips that will prevent a lot of unnecessary chiller service or replacement.
During the peak solar load of the day, the phase change material embedded within the welded steel EcoCore panel is designed to melt and absorb energy — energy that would otherwise be reflected back into the room as heat or transferred to the airstream.
The redesigned Model TZ-60B is part of the Topaz® line of portable air conditioners. The 6-ton portable air conditioner offers 76,500 Btuh of cooling and can also provide heat with a built-in electric heat coil. Other new features on the TZ-60B include a digital programmable thermostat.
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