The refrigerant management regulations under Section 608 of the Clean Air Act that prohibit the knowing venting of ozone-depleting and substitute refrigerants and require technician certification for handling refrigerants in stationary systems. Technicians must pass an EPA-approved test in one or more of four equipment categories to legally purchase and work with regulated refrigerants.
HVAC Glossary
EPA Section 608
Last updated: June 9, 2026