An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Resources for Refrigerant Choices

Hydrochlorofluorocarbons (HCFCs) are chemicals that are mainly used as refrigerants. To protect the Earth’s protective ozone layer, the United States is phasing out a common refrigerant known as HCFC-22 (also known as R-22), along with other chemicals.

As the United States phases out refrigerant HCFC-22, consumers will need to make informed choices when servicing, repairing, or replacing an existing air-conditioning unit or when purchasing a new unit. The resources below provide more information about refrigerant choices and the availability of HCFC-22.