EPA 608 and EPA 609
EPA 608 and EPA 609 are part of the Clean Air Act. These regulations require that technicians must be certified who work on equipment that could release refrigerants into the atmosphere. A person must earn EPA 608 certification to perform certain work on HVAC equipment such as air conditioners or refrigerators. You must get EPA 609 certification to work on car, truck, or tractor air conditioning equipment.