The phaseout of R-22 is impending, and the use of mineral oil with those systems is diminishing in popularity. Synthetic oils, such as Polyolester (POE) oil, are being largely accepted due to their ...
What’s happening with the refrigerant blend hydrofluorocarbon (HFC)-410A (R-410A)? To answer that question, let’s start with a little background. Hydrochlorofluorocarbon (HCFC)-22, also known as R-22, ...
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