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EPA 608 Certification Exam Prep
Free practice tests for the EPA Section 608 refrigerant technician certification — Core, Type I, II, and III. Required to buy or handle refrigerants. In English and Español.
Registration Guide
Know exactly how to register, request a translator, and what to bring on exam day.
Study Materials
Topic chapters covering every area of the exam, in plain English, Chinese, Spanish, or Vietnamese.
Practice Tests
Daily questions + weekly full mock exams. Track your weak spots and improve fast.
Try a sample question
Section 608 of the Clean Air Act primarily regulates which activity?
Free forever · English · Español · more languages coming
Frequently asked questions
Is PrepPass's EPA 608 (HVAC Refrigerant) practice free?
Yes — every EPA 608 (HVAC Refrigerant) practice question, study guide, and lesson on PrepPass is free. A full timed mock exam is also included at no cost.
How many EPA 608 (HVAC Refrigerant) practice questions does PrepPass have?
PrepPass currently has 240 original EPA 608 (HVAC Refrigerant) practice questions across 6 topic areas, and every question comes with a written answer explanation.
What languages is PrepPass's EPA 608 (HVAC Refrigerant) prep available in?
English, 中文 (Chinese), Español (Spanish), and Tiếng Việt (Vietnamese).
How are PrepPass's EPA 608 (HVAC Refrigerant) questions written?
They are original questions written by PrepPass from public-domain statutes and official exam blueprints — never copied from the real exam. Read our question methodology →
Is PrepPass affiliated with the licensing board or exam provider?
No. PrepPass is an independent study resource and is not affiliated with, endorsed by, or connected to any licensing board or official exam provider.
Can I practice EPA 608 (HVAC Refrigerant) on my phone?
Yes — PrepPass runs in any mobile or desktop web browser, with no app to download.
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