Freon 134a is an HFC retrofit refrigerant for R-12. It is used in medium- and high-temperature stationary commercial refrigeration, as well as chiller systems and home appliances. In addition, it can be used to retrofit existing R-12 refrigeration and air conditioning systems.

Applications
Medium & high-temperature: stationary commercial refrigeration, chiller equipment, home appliances; retrofit existing R-12 refrigeration and air conditioning equipment.