EPA 608
Study Guide
Core · Type I · Type II · Type III · Universal
The 21-day certified-ready system. Straight-to-the-point study guides, drill sheets and 10 full-length practice tests to pass the EPA Section 608 exam on your first try.
Every EPA 608 certification, in one guide
Pass all four sections in the same sitting and you earn Universal — the credential every HVAC/R employer asks for.
Fundamentals every tech must pass
Small appliances ≤ 5 lbs refrigerant
High-pressure systems & heat pumps
Low-pressure chillers
All four sections passed
The 21-day certified-ready system
Core mastery
Regulations, refrigerant handling, safety and recovery basics.
Type I + II drills
Small appliances, recovery pressures, leak detection, oils.
Type III + mock exams
Low-pressure systems, purge units, 10 full-length practice tests.
Latest study guides
EPA 608 Exam: Most Asked Questions (2026 FAQ)
Cost, passing score, retake policy, card delivery, and everything else candidates ask about the EPA Section 608 Technician Certification.
10 EPA 608 Exam Day Tips That Actually Make a Difference
Format, timing, open-book vs closed-book rules, and the little things nobody tells you before you walk into the EPA Section 608 exam.
EPA 608 Refrigerant Categories Explained: Type I, II, III & Universal
Which EPA 608 certification you actually need, mapped to the equipment you'll be servicing — and why Universal is worth the extra hour.
This site is independently produced and is not affiliated with, endorsed by, or sponsored by the U.S. Environmental Protection Agency (EPA). References to "EPA Section 608" are used solely for identification purposes.