FREE EPA 609 MVAC Certification Exam Guide 2026: Real Provider Formats, $20-$90 Fees, Lifetime Cert (Practice)
Video
What is the primary environmental concern associated with CFC and HCFC refrigerants?
Epa608 Core
Question · Easy
Gray body, yellow top
Short
EPA 608 Universal Certification Exam Guide 2026: Core, Type I-III, Passing Scores, and the New HFC Rules
A source-checked EPA 608 Universal guide: the 100-question structure, the 70% and 84% passing rules, why an open-book Core cannot count, the 2026 AIM Act changes, and a section-by-section study plan.
Blog
Section 608
Regulations
Flashcard
What three elements make up a CFC (chlorofluorocarbon) refrigerant molecule?
Class I refrigerant family composed solely of chlorine, fluorine, and carbon whose United States production and import ban took effect on January 1, 1996.
Core Section
Guess the Term
Introduction to EPA 608 Certification
1.1 What EPA 608 Is and Who Needs It
Study guide
Cheat sheet
Which international agreement was established to phase out the production and consumption of ozone-depleting substances?
Question · Medium
EPA 608 Technician Certification Radio
Listen while you do something else
Radio
Best Refrigerant Leak Detectors for HVAC Technicians: 2026 Buying Guide
Section 609
What is the main environmental concern with HFC refrigerants?
Free 2026 EPA Section 609 MVAC certification guide: EPA sets no question count or pass score, so formats differ by provider (MACS 25Q/84%/$29, ESCO 50Q/84%/$20, ASE 30Q/80%/$23). All 23 approved programs, the real sales restriction, MVAC-like appliances, 2026 penalties and AIM Act changes.
Class II transitional refrigerant group containing hydrogen along with chlorine, fluorine, and carbon that stopped new R-22 production and import in 2020 ahead of a full 2030 phaseout.
What is the Global Warming Potential (GWP) of R-134a compared to carbon dioxide (CO2)?
How to Become an HVAC Technician in 2026: EPA 608, Salary by State & Career Path
Complete 2026 guide to becoming an HVAC technician. Covers EPA 608 certification, apprenticeship requirements, salary by state ($40K–$110K), specializations, and career advancement. Free EPA 608 exam prep included.
Venting prohibition
Which of the following refrigerants has the highest ozone depletion potential (ODP)?
Chlorine-free replacement refrigerant family composed of hydrogen, fluorine, and carbon, such as R-134a, that has zero ozone depletion potential but remains subject to the Section 608 venting prohibition.
1.2 Exam Format, Scoring, and Administration
Under the Kigali Amendment to the Montreal Protocol, what action are developed countries required to take regarding HFCs?
Question · Hard
Read the clue and guess the term in 6 tries.
Game
De minimis release
What is the purpose of the stratospheric ozone layer?
Best Manifold Gauge Set for HVAC Technicians: Complete 2026 Buying Guide
In-depth guide to the best manifold gauge sets for HVAC technicians preparing for EPA 608 and NATE HVAC certification. Covers Yellow Jacket vs budget alternatives, 2-valve vs 4-valve manifolds, R-410A vs R-454B A2L refrigerant compatibility, subcooling and superheat calculations, and what gauge reading skills are tested on EPA Section 608 and NATE exams in 2026.
Numerical ratio comparing a chemical's stratospheric ozone destruction to an equal mass of R-11, which serves as the baseline value of 1.0.
Which of the following is considered a "natural refrigerant" with zero ozone depletion potential and very low global warming potential?
Complete 2026 guide to refrigerant leak detectors for EPA 608 and NATE HVAC certification candidates. Compares heated diode vs infrared (NDIR) sensors across Fieldpiece, Elitech, and Inficon models, with A2L notes for R-454B and R-32 equipment. Covers EPA Section 608 leak rate thresholds, the 2026 AIM Act 15-pound rule, sensitivity, false positives, and the proper leak detection procedure tested on certification exams.
Montreal Protocol
What is the relationship between chlorine content in a refrigerant and its ozone depletion potential?
Metric that expresses the heat-trapping impact of a greenhouse gas relative to an equal mass of carbon dioxide, which is assigned a reference value of 1.0.
1.3 How to Study for EPA 608
Under Section 608, which person generally must hold the appropriate technician certification?
Swap tiles to line up three of the same term.
Term Match
AIM Act
What Table 1 endpoint applies to a high-pressure appliance with at least 200 pounds when recovery equipment was made before November 15, 1993?
Best ANSI Z87.1 Safety Glasses for Construction Trades: 2026 Buying Guide
Complete guide to ANSI Z87.1 safety glasses for OSHA 30, electrician, welding, and HVAC certification candidates. Covers impact resistance ratings, anti-fog coatings, side shield requirements, lens tint selection, and OSHA 29 CFR 1926.102 eye protection standards for construction job sites in 2026.
Middle-wavelength band of solar ultraviolet radiation partially absorbed by stratospheric ozone whose increased surface levels from ozone loss raise skin cancer and cataract rates.
Which refrigerant property can place an appliance in the very-high-pressure class?
CFC
Refrigerants
What is the definition of a "chronically leaking appliance" under EPA regulations?
Clean Air Act Section 612 program through which the EPA evaluates overall human health and environmental risks of replacement refrigerants and lists acceptable and unacceptable substitutes by end-use.
Regulations and the Clean Air Act
2.1 Clean Air Act Overview
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