Question

What were the refrigerant used in old refrigerators??

Answer 1

Modern refrigerators usually use a refrigerant called HFC-134a (1,1,1,2-Tetrafluoroethane), which does not deplete the ozone layer, instead of Freon. A R-134a is now becoming very uncommon in Europe. Newer refrigerants are being used instead.

Answer 2

CFCL (chlorofluorocarbons) were being used in old refrigerators.Modern refrigerators usually use a refrigerant called HFC-134a(1,1,1,2-Tetrafluoroethane), which does not deplete the ozone layer