Question: why cfc is used in ac?
Answer: Air Conditioner Refrigerant. ... At that time, the refrigerants that used then were known as CFC(chlorofluorocarbons) and HCFCs(hydrochlorofluorocarbons). CFCs are a family of chemicals that contain chlorine, fluorine and carbon. The chlorine content in these compounds cause the depletion of the ozone layer.