EPA 608 FAQ

No. License Method is an independent practice site, not affiliated with or approved by the EPA, and it does not issue certification. To get certified, pass a proctored exam from an EPA-approved certifying organization.

Each section (Core, Type I, Type II and Type III) has 25 questions. Universal is all four sections, 100 questions.

25 questions per section, 18 correct to pass (70%) on each closed-book section. A mail-in (open-book) Type I test needs 84%, and it does not count toward Universal.

It depends on the certifying organization. Our 30-minute timer is a practice setting. Real time limits vary by certifying organization.

No. Section 608 certification does not expire, but EPA can revoke it for violations. Keep a copy of your card where you work.

Yes. You must pass Core along with each type you want. Pass Core and Type II and you are Type II certified.

Type II covers split systems and heat pumps that use high-pressure refrigerants like R-410A. Most employers prefer Universal.

Yes. All 80 Core questions, timed practice tests and explanations are free, with no account or card. Progress saves in your browser.

Full question banks for Core and Types I, II and III, unlimited timed tests and the study guides, for one payment with no subscription. Checkout isn't open yet, so join the waitlist for launch pricing.

Yes. Questions are written to the current eCFR text, including the AIM Act emissions reduction and reclamation rule (40 CFR Part 84, Subpart C), in effect January 1, 2026.