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Blog Title: what is the clean air act?
How does the Clean Air Act impact heating and cooling systems?
Category: Ductless Heating And Air Units Post By: RENE PAUL (Le Raysville, KS), 11/15/2013

The portion of the Clean Air Act that applies to the Heating, Ventilating and Air Conditioning (HVAC) industry encourages the development of ozone-friendly substitutes for chemicals that contain ozone destroying chlorine, which are called hydrochlorofluorocarbons (HCFCs). The chemical refrigerant of choice for more than four decades, referred to as R-22, is in the HCFC category. R-22 is widely used in heat pumps and AC condensing units to heat and cool homes. Today, a refrigerant called R-410A is used because of its ozone-friendly properties.

- RODNEY MATTHEWS (Northlake, CA), 11/12/2013
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