Go straight to the source
US Environmental Protection Agency
Federal regulator; certification exams are administered by approved organizations.
Official website ↗EPA Section 608 Technician CertificationUS Environmental Protection AgencyYou learn the federal rules and field methods for handling refrigerant, from Clean Air Act requirements and recovery techniques to leak repair and safe shipping, then test for Type I, II, III or Universal certification.LicenseVariesEPA Section 609 MVAC CertificationUS Environmental Protection AgencyYou learn to use motor vehicle air conditioning recovery and recycling equipment correctly, follow the federal service rules, and understand how refrigerant releases harm the ozone layer and climate, then pass an approved test.LicenseVaries