What’s the Latest with R-410A?

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, was first introduced as a replacement refrigerant for chlorofluorocarbon (CFC)-12, or R-12, in residential air conditioning applications.