Skilled Trades
EPA 608EPA Section 608 Technician Certification
EPA Section 608 is the federally required certification under the Clean Air Act for anyone who services, repairs, or disposes of equipment containing refrigerant. It has four parts — Core plus Type I, II, and III — and passing all four earns Universal certification. There are no prerequisites, and the credential never expires.
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Exam facts
Everything you need to know about the EPA 608 exam.
- Passing score
- 70% (18 of 25) per section
- Format & length
- 25 questions per section · Core + Type I / II / III (100 for Universal)
- Voucher cost
- ~$25–$200 depending on provider and format
- Prerequisites
- None
- Validity
- Does not expire (no renewal or continuing education)
Exam facts sourced from the official US EPA (Section 608) certification page. Last reviewed June 2026.
What’s tested
Key topics on the EPA 608 exam.
The Cert Climb question bank is mapped to every domain on the official EPA 608 exam blueprint, so what you study is what the test asks.
- Core — Regulations, Recovery & Safety
- Type I — Small Appliances
- Type II — High-Pressure Appliances
- Type III — Low-Pressure Appliances
Who it’s for
Built for the people taking this exam.
HVAC/R technicians, apprentices, appliance-repair and facilities techs, and trade-school students — anyone who handles refrigerant.
Why it matters in 2026
The career signal.
It is illegal under the Clean Air Act to handle refrigerant — or even buy most refrigerant — without it. It never expires and is the gateway credential for HVAC/R employment, with continuous new-entrant demand.
Sample question
What a EPA 608 question looks like.
Which layer of the atmosphere contains the ozone that shields the surface from harmful ultraviolet radiation?
See the answer & explanation
Correct: B. Stratosphere
Why: The protective ozone layer resides in the stratosphere, where it absorbs much of the sun's ultraviolet radiation before it reaches the surface.
What you get
Everything you need to actually pass.
Full question bank
72 questions covering every objective on the official EPA 608 exam blueprint, with detailed explanations on every option — right and wrong.
Quiz modes
Timed exam simulation, missed-only review, topic drills, and a daily question of the day. Practice the way you study best.
Flashcards
Spaced-repetition flashcards generated from each topic. Pull them up on a phone in the gap between meetings.
Progress tracking
See per-topic accuracy and answered counts. Find weak areas before they cost you on test day.
Per-category premium
Unlocking EPA 608 unlocks every other Skilled Trades exam in the Cert Climb catalog — pay once, stack credentials.
No-fluff explanations
Every wrong answer comes with a 2-3 sentence explanation of why it’s wrong, not just “the correct answer is X.” Pattern recognition is the whole game.
Read while you study
EPA 608 articles & study guides
EPA 608 Certification Study Guide 2026 — Pass Core + All 3 Types
EPA 608 is federally required for anyone who touches refrigerant. Here's the exam structure, the highest-yield facts, memory aids, and a 1-2 week plan to pass Core and all three Types.
EPA 608 Core and Type I, II, III Explained (2026 Guide)
EPA 608 has four parts — Core plus Type I, II, and III. Here's exactly what each one certifies you to work on, the key facts per type, and how Universal actually works.
FAQ
Frequently asked questions about EPA 608
What is the EPA 608 exam?
EPA Section 608 is the federally required certification under the Clean Air Act for anyone who services, repairs, or disposes of equipment containing refrigerant. It has four parts — Core plus Type I, II, and III — and passing all four earns Universal certification.
How many questions are on the EPA 608 exam, and how long is it?
25 questions per section · Core + Type I / II / III (100 for Universal)
What is the passing score for the EPA 608 exam?
70% (18 of 25) per section
How much does the EPA 608 exam cost?
~$25–$200 depending on provider and format
Are there prerequisites for the EPA 608 exam?
None
How long is the EPA 608 certification valid?
Does not expire (no renewal or continuing education)
How many questions does the EPA 608 bank have?
72 questions, organized into 4 subject areas mapped to the official exam objectives.
Is the free trial really free?
Yes. 30 questions, no credit card, no email-trap, no “activate by Friday or pay” spam. You either upgrade because the bank’s good, or you don’t.
What does premium cost?
Premium is sold per category and unlocks every Skilled Trades exam in the Cert Climb catalog. Plans are 1-month, 3-month, or 12-month — see the upgrade modal for current pricing.
How current is the EPA 608 content?
We track exam version updates and refresh the bank within weeks of new objectives. Where the version of an exam matters (e.g. CompTIA SY0-701 vs. SY0-601), question explanations call it out.
Can I cancel my subscription anytime?
Yes. Cancellation is one click from your profile. Your access continues through the end of the period you’ve already paid for.
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