R22

R-22 is a hydrochlorofluorocarbon (HCFC) refrigerant historically used in residential and commercial air conditioning systems. Due to its ozone-depleting properties, production/import is banned in the U.S. under the EPA’s phase-out (2020). Only reclaimed or stockpiled R-22 is legally available.

Technical Specification:

ODP: 0.055
GWP: 1,810
Oil: Mineral oil, AB, POE for retrofits.
Boiling Point: -40.8 °C (-41.4 °F)
Critical Temp: 96.2 °C (205.2 °F)
Critical Pressure: 49.9 bar (723.7 psi)
Liquid Density: 1194 kg/m³ at 25 °C
Application and Usage:

Residential: Existing residential air conditioning and heat pump systems (no longer used in new equipment).
Commercial: Existing commercial air conditioning, chillers, and medium to low-temperature commercial refrigeration systems (no longer used in new equipment).
Package: 30 lb cylinder.