EPA 609 MVAC Technician Certification Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the EPA 609 MVAC Technician Certification Vocabulary Game
A free word game for the EPA 609 MVAC Technician Certification exam. Each round shows a clue for one of 20 exam terms across 6 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
Explore More Refrigerant Certifications (EPA 608, 609 & R-410A)
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Topics in the EPA 609 MVAC Technician Certification Vocabulary Game
Environmental Effects
Clean Air Act Rules
Refrigerant Families
Recycling and Reclamation
Servicing Procedures
Safe Handling
Sources for these terms (7)
- Regulatory Requirements for MVAC System Servicing · Source checked 2026-11-03
- Acceptable Refrigerants and their Impacts · Source checked 2026-11-03
- Choosing and Using a Retrofit Refrigerant for a CFC-12 MVAC · Source checked 2026-11-03
- Hydrofluorocarbons (HFCs) · Source checked 2026-11-03
- Certified Equipment · Source checked 2026-11-03
- Refrigerant Safety · Source checked 2026-11-03
- Carbon Dioxide in Workplace Atmospheres (OSHA Method ID-172) · Source checked 2026-11-03
About the EPA 609 Exam
EPA Section 609 certification is required under the Clean Air Act for any technician who services motor vehicle air conditioning (MVAC) systems for compensation. The open-book exam covers MVAC refrigerant recovery and recycling, proper use of EPA-certified servicing equipment, environmental regulations, ozone layer science, and safe handling of CFC-12, R-134a, R-1234yf, and other SNAP-approved refrigerants.
Exam sponsor: EPA / ESCO Institute / MACS Worldwide. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Question count not published by the exam provider
Time Limit
No strict time limit (open-book, most finish in under 1 hour)
Passing Score
84% (42/50 correct)
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the EPA 609 vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the EPA 609 vocabulary game work?
Each round shows a clue for one of 20 EPA 609 terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the EPA 609 terms come from?
OpenExamPrep researched each term from the EPA / ESCO Institute / MACS Worldwide content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What is the passing score for the EPA 609 exam?
You need to score 84% or higher to pass the EPA 609 certification exam. On the ESCO version with 50 questions, that means 42 correct answers. On the MACS version with 25 questions, you need 21 correct. The high passing threshold is offset by the fact that the exam is open-book, so you can reference study materials during the test.
Does EPA 609 certification expire?
No, EPA Section 609 certification never expires. Once you pass the exam through an EPA-approved program, you are certified for life. All legacy certification cards issued since 1993 remain valid and must be accepted by refrigerant sellers.