Mainstream Engineering has been a trusted leader in EPA Section 608 Certification for decades. Since 1994, we've helped technicians get certified with comprehensive study guides, practice exams, textbooks, and a certification test designed to assess but also to educate on safe refrigerant handling.

This EPA certification enables you to service or dispose of medium to very-high-pressure appliances, except in applications such as small appliances or air conditioners within motor vehicles. The education and training focuses more on …

EPATest.com uses services from ProctorU to offer the EPA Section 608 Universal Certification online. An exam date must be scheduled at least 72 hours in advance but the test can be taken 24 hours a day, seven days a week. Moreover, ProctorU may charge a nominal fee to provide an expedited test date.

You have put in the work, now put it to work. Start your EPA 608 test from Mainstream Engineering today! Visit our site to learn testing rules and to begin the test itself.

Use the locator below to find the nearest authorized EPA Section 608 proctor location. Once you choose a location you will be able to purchase all the necessary materials to become certified. The store will give you the study materials to take home and they will keep your test at the store.

Technicians planning to work with motor vehicle air conditioners (MVAC) and purchase refrigerants must obtain an EPA Section 609 certification. Mainstream Engineering offers an online 25-question, open-book test along with a free study manual to ensure your success.

Getting an EPA Section 608 Universal Certification is more accessible than ever! Take your exam online (in English or Spanish) or find a testing center near you.

Looking to offer indoor air quality (IAQ) services at your HVAC/R business? Visit the EPA Test site and learn how to earn your certification.

This certification exam is designed to educate HVAC technicians on various methods and refrigeration products, providing a safe and eco-friendly outcome with each service. Each section of this test includes 25 questions, equating to 100 questions for complete certification.

Get free EPA Section 608 Type I training software, including electronic manuals, interactive learning tools, and unlimited practice exams. To access the full course for other types and universal certification, purchase a software download code.