Free EPA 608 practice test
Real exam-style questions with the reason every wrong answer is wrong. Pick your section, answer at your own pace, and see your score against the 70% pass mark. No signup, no email.
Start with Core, 25 questionsCore is required for every certification, so most people start there.
Or choose a section
Add the type that matches the equipment you work on, or pass all three for Universal.
Core
Required for allRegulations, ozone science, refrigerant classification, recovery and safety.
Take all 25 questions free
Type I
Small appliances holding five pounds of refrigerant or less.
Try the free sample questions
Type II
High-pressure systems — most residential and light-commercial air conditioning.
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Type III
Low-pressure systems, principally chillers.
Try the free sample questions
Want every question, not just the free ones?
The full bank has 602 questions across all four sections, plus five timed mock exams, for a one-time $29 with a pass guarantee. See what is included