{"id":"48960f25-e9a9-4031-a072-2ebf6dc66926","task":"Determine which EPA Section 608 certification type a residential/domestic-appliance technician actually needs","domain":"epa.gov","steps":["Identify the refrigerant charge size of appliances you'll service: Type I certification covers 'small appliances' — factory-sealed units containing 5 lbs or less of refrigerant (e.g., most household refrigerators, freezers, window/room air conditioners, dehumidifiers)","Only pursue Type II, Type III, or Universal certification if your work will also include larger commercial/residential-HVAC systems outside the small-appliance category","Take the Core section plus the Type I specialty exam through an EPA-approved certifying organization; Type I exams are commonly open-book","Confirm there is no expiration on Section 608 technician certification once issued, so renewal is not required, but keep your card/records accessible for authorized-servicer applications that ask for it","If your business also handles larger built-in refrigeration or central A/C work, evaluate whether Universal certification is more efficient than stacking individual type exams"],"gotchas":["A technician who only ever opens hermetically sealed small appliances (fridges, freezers, window units, dehumidifiers) does not need Universal certification — Type I alone satisfies the legal requirement, so don't over-buy training","Certification type is about equipment refrigerant charge and appliance category, not about which brand you service — brand authorization (Whirlpool, GE, LG, etc.) is separate from EPA 608 status","Some manufacturer certification exams (e.g., NASTeC's refrigerator/freezer specialty) require you to already hold EPA refrigerant recovery certification before you can even sit for their exam — sequence your certifications accordingly"],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/48960f25-e9a9-4031-a072-2ebf6dc66926"}