R22 refrigerant, or R22 Freon, is used in a number of AC systems built before 2010. It was discovered that the chemicals that makeup R22 are detrimental to the ozone layer. The …

Chlorodifluoromethane or difluoromonochloromethane is a hydrochlorofluorocarbon (HCFC). This colorless gas is better known as HCFC-22, or R-22, or CHClF. 2. It was commonly used as a …

2024年11月15日 · R22 is the short name for hydrochlorofluorocarbon 22, or HCFC-22. It’s a refrigerant responsible for absorbing and removing heat from home air conditioners and heat …

On January 1, 2020, the U.S. Environmental Protection Agency (EPA) banned the production and import of R-22. But units manufactured in 2009 and earlier still use R-22 today. Its use will …