Guides
EPA 608, explained properly
Working notes for technicians: what the exam tests, which certification covers which equipment, the numbers worth memorising, and what the A2L transition changes. Free to read — no account needed.
The EPA 608 exam, explained without the sales pitch
What the EPA 608 exam covers, the four certification types, the 70% pass mark, who administers it, and what to do before exam day.
Read the guide →Type I, II, III or Universal — which 608 do you need?
Which EPA 608 certification type you need: Type I small appliances, Type II high-pressure, Type III low-pressure, or Universal — with the work each one legally covers.
Read the guide →EPA 608 vs 609 — different equipment, different certification
Section 608 covers stationary refrigeration and HVAC; Section 609 covers motor-vehicle air conditioning. What each requires, who needs both, and how the exams differ.
Read the guide →A2L refrigerants: what changes on the job
A2L refrigerants like R-454B and R-32 are mildly flammable. What changed with the 2025 transition, what your 608 covers, and what to learn before the first A2L system arrives.
Read the guide →Recovery and leak rules: the numbers the exam tests
The recovery efficiency rule for small appliances, the vacuum levels for larger systems, cylinder rules and leak-rate thresholds — the numbers the EPA 608 exam actually tests.
Read the guide →A two-week EPA 608 study plan you can do from the van
A realistic two-week plan for the EPA 608 exam built around listening rather than sitting: what to cover each week, when to take practice papers, and how to avoid the common failure.
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Ready to test what you know?
The free practice exam is 30 questions in 30 minutes with the same 70% pass bar as the real paper — instant category breakdown, no sign-up required.
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