EPA 608 Blog
Study guides, exam tips, and HVAC certification updates.
R-410A vs R-22: What HVAC Techs Must Know (2026)
R-410A vs R-22 explained: ODP, GWP, pressures, oils, phasedown timeline. Both being replaced by A2L refrigerants. No EPA recertification needed.
EPA 608 vs 609: Which Certification Do You Need? (2026)
EPA 608 covers stationary HVAC systems. EPA 609 covers vehicle AC. Compare exams, overlap rules, refrigerant purchase rights, and who needs both.
How Long to Study for EPA 608? (By Experience Level)
How long to study for EPA 608: 10-15 hours for experienced techs, 20-30 for students, 40-60 for beginners. Get a 14-day study plan and methods ranked.
EPA 608 Type I vs Type II vs Type III (2026 Guide)
Compare EPA 608 Type I vs Type II vs Type III: equipment covered, exam difficulty, career impact. See why 77% of HVAC techs choose Universal certification.
Does EPA 608 Expire? No — Here's What to Know (2026)
EPA 608 certification does not expire — it is permanent for life. No renewal, no retesting. Learn what changed with AIM Act and how to replace a lost card.
EPA 608 Open Book or Closed Book? The Full Answer (2026)
The standard EPA 608 exam is closed book (72%). The only open book option is Type I mail-in — but it requires 84% and blocks Universal certification.
EPA 608 Passing Score: How Many Questions? (2026)
The EPA 608 passing score is 18/25 (72%) per section. Learn how many questions you can miss, open book vs proctored thresholds, and tips to pass first try.
EPA 608 Certification Cost (2026 Breakdown)
See the full EPA 608 certification cost by provider — from $10 to $300. Compare exam fees, hidden charges, and the cheapest way to get certified.
How to Pass the EPA 608 Exam (2026 Guide)
Learn how to pass the EPA 608 exam with our proven 14-day study plan, real test-taking strategies, and critical numbers to memorize for all sections.
Ready to Take Your EPA 608 Practice Test?
Start our free EPA 608 practice test now — 25 questions, instant score, no signup. Join thousands of technicians who passed with EPA608Pass.
Start Free EPA 608 Practice Test