Chlorodifluoromethane, better known as HCFC-22 or R-22 is the most common refrigerant used in residential air conditioning units. However, R-22 is currently being phased out in the U.S. due to its very high potential to exacerbate
read more …According to the U.S. Environmental Protection Agency:“Earning the ENERGY STAR means products meet strict energy efficiency guidelines set by the US Environmental Protection Agency. By choosing ENERGY STAR qualified heating and cooling equipment and
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