EPA 608 HVAC Certification Practice Questions
367 questions across 10 topics — free with full explanations.
Practice questions and explanations by the VoltExam content team.
Browse by Topic
Core
60 practice questions
Study Core →
Type I (Small Appliances)
45 practice questions
Study Type I (Small Appliances) →
Type II (High-Pressure)
50 practice questions
Study Type II (High-Pressure) →
Type III (Low-Pressure)
45 practice questions
Study Type III (Low-Pressure) →
Safety
30 practice questions
Study Safety →
Regulations
35 practice questions
Study Regulations →
Recovery & Recycling
35 practice questions
Study Recovery and Recycling →
Leak Detection & Repair
30 practice questions
Study Leak Detection and Repair →
Refrigerants
25 practice questions
Study Refrigerants →
A2L Refrigerants (2026)
12 practice questions
Study A2L Refrigerants (2026) →
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