Freon® 22 is an HCFC refrigerant used for residential and commercial air conditioning and for medium- and low-temperature commercial refrigeration applications, including: food service, supermarket display cases, food storage and processing, and transport refrigeration systems.
Freon® 23 is an HFC retrofit refrigerant for R-13 and R-503 in very low temperature applications [below -40°F to -100°F (-40°C to -73°C)] such as medical freezers and environmental chambers. It can be used in new systems as well as to retrofit existing systems.
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