Built for the 2027 EPA 608 Bank

Pass Your Trade Exam the First Time

Original practice tests and plain-English guides, each tied to the rule it comes from. Free, fast and no sign-up.

  • 105Original questions
  • 70%Pass mark per section
  • FreeNo account needed
HVAC technician connecting a refrigerant gauge hose to an outdoor air conditioning unit
Gauges on, system under test. The exam asks what you do next.
105EPA 608 questions
5Free practice tests
28Study guides
0Sign-ups or paywalls
Practice

Four Sections. One Clear Score.

Start here · required for every certificate

Core

Ozone science, the Clean Air Act, recovery rules, shipping and safety. Pass it once and it counts toward every type.

28

questions in the pool · 25 per attempt

EPA 608 Core practice test
  1. 02
    EPA 608 Type I practice test

    Small appliances, 5 lb or less

    25 Q
  2. 03
    EPA 608 Type II practice test

    High- and medium-pressure systems

    27 Q
  3. 04
    EPA 608 Type III practice test

    Low-pressure chillers

    25 Q
If we can’t point to the rule, the question doesn’t go in.

Our editorial standard

Every explanation cites eCFR, EPA.gov or the state board behind it. No copied exam questions, no recycled dumps. Read our editorial policy.

Beyond EPA 608

Licensing, Mapped Out

Electrician, plumbing and HVAC licences, with the official board for each step.

Electrician in a hard hat and safety glasses wiring a wall-mounted meter
Electrical · Journeyman → MasterElectrician Exam Guides

Journeyman and master exams, NEC navigation and tabbing tips.

Plumber tightening a pipe fitting under a sink
PlumbingPlumbing License Guides

Exams, codes and the path to licence.

Outdoor heat pump unit installed beside a modern house
HVACHVAC Licensing Guides

State rules and how they fit with EPA 608.

Test taker writing answers on paper with a pencil at a desk
The Pass Standard
  • 105Original questions
  • 70%To pass each section
  • $0No account needed
03 · Method

Study Smarter, Not Longer

Three steps, in order. Learn the rule, drill the section, then prove it under exam conditions.

  1. Step 01

    Read the Guide

    Plain-English notes on ozone, the venting ban, recovery and safety, each tied to 40 CFR Part 82.

    Open the EPA 608 Study Guide
  2. Step 02

    Practice by Section

    25 questions per attempt for Core, Type I, II or III, with an explanation and source after every answer.

    See How Each Section Is Scored
  3. Step 03

    Take the Timed Mock

    100 questions, 25 from each section, scored section by section against the 70% pass mark.

    Start the Universal Mock
Read Next

Popular Guides

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Most readHow to Get EPA 608 Certified Online

Choose a program, book a proctored test and get your card, step by step.

  1. 02
    How to Study for the EPA 608 Exam

    A practical two-week plan with what to memorise for each section.

  2. 03
    Recover vs Recycle vs Reclaim Refrigerant

    The legal definitions of the three Rs and when refrigerant can be reused.

  3. 04
    Journeyman vs Master Electrician Exam

    Eligibility, topics and difficulty compared, with Texas as an example.

  4. 05
    Plumbing License Exam Overview

    Formats, code topics and how to prepare for journeyman and master.

  5. 06
    EPA 608 vs State HVAC License

    Federal refrigerant certification vs state licensing, side by side.

Ready?

Take a Free Test in Two Minutes.

Start with Core. It’s required for every EPA 608 certificate.

EPA 608 Practice Tests and Study Guides