FREE CERTIFICATION PREP

EPA 608 Certification

The required federal certification for HVAC technicians who purchase or work with refrigerants. 7 in-depth modules, 5 practice exams, 100+ questions. 100% free.

Modules

100+

Questions

Practice Exams

Free

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Course Modules

Click any module to start learning. Begin with the Overview, then work through each module in order.

OVERVIEW

Course Overview

What is EPA 608, exam structure, certification bodies, how to study. Start here.

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MODULE 1

Refrigerants & the Ozone Layer

CFCs, HCFCs, HFCs, HFOs - ODP, GWP, Montreal Protocol, ozone chemistry.

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MODULE 2

Clean Air Act & Regulations

Section 608 requirements, venting prohibition, technician certification rules.

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MODULE 3

Safety & Equipment Handling

PPE, refrigerant cylinder safety, first aid, equipment identification.

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MODULE 4

Recovery, Recycling & Reclaiming

Recovery procedures, equipment standards, recycling vs reclaiming, record keeping.

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MODULE 5

Type I: Small Appliances

Hermetically sealed systems under 5 lbs - household refrigerators, window ACs.

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MODULE 6

Type II: High-Pressure Systems

R-22, R-410A residential and commercial AC and heat pump systems.

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MODULE 7

Type III: Low-Pressure Systems

Centrifugal chillers using R-11, R-113, R-123 - large commercial systems.

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Practice Exams

Test your knowledge after completing the modules. Instant feedback on every question.

Full 100-Question Exam

100 questions - instant feedback

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Core Section Exam

25 questions - instant feedback

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Type I Practice Exam

25 questions - instant feedback

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Type II Practice Exam

25 questions - instant feedback

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Type III Practice Exam

25 questions - instant feedback

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EPA 608 Certification