WASHINGTON – The U.S. Environmental Protection Agency has added three hydrocarbons as acceptable alternatives in household and small commercial refrigerators and freezers through EPA’s Significant New Alternatives Policy (SNAP) program. The three hydrocarbon refrigerants approved as acceptable substitutes are propane, isobutane, and a chemical known as R-441A. These refrigerants can be used to replace ozone-depleting substances such as hydrochlorofluorocarbon (HCFC)-22 in ...
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