Does the EPA require the fixing of Automotive Air Conditioning Systems that leak?
No. The EPA does not require that automotive A/C system leaks be fixed. However states or municipalities can pass such laws requiring leaks to be fixed. For example the state of Wisconsin, the cities of Austin, Texas and Albuquerque, New Mexico, and parts of southern California have and may still require that A/C system leaks be fixed. . The EPA does require the repair of certain large commercial and Industrial refrigeration systems that have major leaks. • What new refrigerant will my service technician put in my vehicle? Are there many substitute refrigerants that are OK? Auto makers are producing new vehicles with R-134a, which does not deplete the ozone layer. EPA evaluates all substitutes for CFC-12 under its Significant New Alternatives Policy (SNAP) program in order to determine if they pose any risk to human health or to the environment. Currently, among the alternatives listed as acceptable subject to use conditions, R-134a is the only one which also has been fully tested and