
EPA 608 Certification Prep
HVAC Practice Test & Flashcard
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About
Need your EPA 608 certification to handle refrigerants on the job? Overwhelmed by Core, Type I, II, III, and Universal sections? EPA 608 Certification Prep gives you 150 practice questions with clear explanations and 40 CFR citations on most regulatory items — built so you can prepare for your certification exam with confidence.
WHAT'S INCLUDED:
Practice Mode
- 150 multiple-choice questions across 21 subtopics, every answer paired with an explanation and, where applicable, a 40 CFR Part 82 citation.
- Drill into Core, Type I, Type II, or Type III separately, or sweep across the whole bank.
- Track your accuracy by category to find weak areas before the real test.
Mock Exams
- Timed mock exams for Core, Type I, Type II, and Type III.
- Question grid + flag-for-review during the exam, just like the official testing format.
- Diagnostic results with a section-by-section breakdown and pass/fail readout against the EPA cutoffs.
Reference Library
- Refrigerants: HFC / HCFC / HFO / blends with ASHRAE class, GWP, ODP, and replacement charts.
- Regulations: 40 CFR Part 82 Subparts A through F, summarized with section anchors.
- Recovery Equipment: high-pressure, low-pressure, and very-low-pressure machine requirements.
- Leak Repair: trigger thresholds, repair timelines, verification testing.
- Safety: PPE, refrigerant exposure limits, oxygen-deprivation and decomposition products.
WHO IS IT FOR:
- HVAC apprentices preparing for EPA 608 Certification
- Working technicians refreshing for Universal upgrade or re-certification
- Vocational students and trade-school attendees
- Service managers brushing up on current regulation
WHY TECHS LOVE IT:
- Fully offline — works in basements, attics, equipment rooms, and job sites with no signal.
- No ads, no tracking, no subscription traps.
- Real CFR citations on every answer so you can verify the source.
- One-time unlock for the full question bank, every mock exam, and the full reference library.
- Clean UI designed for one-handed use on a phone in a service van.
ONE-TIME UNLOCK:
Unlock Full Certification Prep is a single $14.99 USD non-consumable in-app purchase. It unlocks all 150 questions, every mock exam, and the full reference library forever on your Apple ID. No recurring fees.
Practice questions are modeled on the EPA 608 certification exam format and built around the public 40 CFR Part 82 regulations. This app is a study aid; certification is awarded by an EPA-approved test administrator.
Download EPA 608 Certification Prep and put your study sessions in your pocket.
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What's New in EPA 608 Certification Prep
1.0.4
July 17, 2026
Performance and reliability improvements.
1
In-App Purchases
$4.99
Unlock Full Certification Prep
Unlock all 150 questions, mocks, and full reference.





