R-22, commonly referred to as HCFC-22, has long been one of the most widely used refrigerants in residential and commercial air conditioning systems. Although new production has been reduced under environmental regulations, R-22 continues to play an important role in the service, repair, and ongoing maintenance of existing equipment. Known for its stable performance and broad compatibility with older systems designed for R-22, it remains a practical choice for keeping legacy HVAC units operating efficiently and reliably.
