As air conditioning use increased in the decade, the use of refrigerants steadily went up as well. But while more and more people were buying air conditioners, the hvac industry was beginning to deal with one large problem that overshadowed everything else.
Scientists stated that chlorofluorocarbons (CFCs) had a negative effect on the earth’s atmosphere and caused depletion of the ozone layer. CFCs were used as the refrigerant for most air conditioners and most refrigeration systems in the U.S.