EPA 608 guides
Direct answers for EPA 608 format, studying, exam day, scores, and what to do next.
6 source-backed guides
Start here
Open these first if you are still getting oriented, then browse by topic below.
EPA 608 certification is split by equipment: Type I for factory-sealed small appliances, Type II for medium-, high- and very high-pressure systems, and Type III for low-pressure appliances. Here is how to match your work to a type, and when Universal is the simpler choice.
Read the guideEPA sets the pass mark at 70% for closed-book tests and 84% for mail-in Type I. Here is what that means in correct answers, how a certifying program applies it to Core and each type, and how separate passes add up to Universal.
Read the guideEPA does not charge for Section 608 certification or issue cards. Each EPA-approved certifying program sets its own fee. Here is one dated example, the extras worth asking about, and how to pick a program from EPA's list.
Read the guideCandidates who test in 2027 will get exams drawn from EPA's revised Section 608 question bank, because the old exam cannot be graded after January 1, 2027, according to ESCO Institute. The federal structure and pass marks do not change. Here is what is confirmed, what is not, and how to study for it.
Read the guideThe EPA 608 test is full of numbers that only work with their conditions. This guide pairs each one with the condition and the 40 CFR section behind it, and flags figures that older study guides still get wrong.
Read the guidePassing the Section 608 test is one thing. The rules you work under in 2027 are another. Here are the Part 82 duties that continue, the AIM Act HFC rules in 40 CFR Part 84 with their compliance dates, and what is still only a proposal.
Read the guideBrowse the library
Looking for exam basics? Visit the EPA Section 608 Technician Certification exam hub.
Free EPA 608 resources
Practice, build a study plan, or return to the exam overview.
Answer 20 original questions and learn from every rationale.
Start practice →Practical planning aidTurn the time you have into a clear study rhythm.
Build my outline →Exam overviewReview the exam format, official sources, and preparation options.
Open exam hub →