Exam-focused questions
Practice the regulations, definitions, procedures, and calculations that matter on test day.
Build the knowledge to pass Core, Type I, Type II, and Type III with exam-focused questions, clear explanations, and targeted review.
Practice the regulations, definitions, procedures, and calculations that matter on test day.
Review the reasoning behind every answer instead of memorizing an answer key.
Use the online app to identify missed topics and focus your next study session.
Your certification path
Pass Core plus all three Type sections to earn EPA 608 Universal certification.
Environmental rules, refrigerant safety, ozone depletion, recovery, and regulations.
Small appliances with 5 pounds or less of factory-charged refrigerant.
High-pressure appliances, leak repair rules, recovery, and evacuation.
Low-pressure chillers, purge units, leak testing, and recovery procedures.
Ready when you are
Start with the complete EPA 608 practice test, then use the app to drill the topics that need more work.