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, …

Visit EPA Test to obtain your HVAC Section 608 technician Type I, II, III, Universal certification, and other various certifications online.

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 …

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 …

Mainstream Engineering is a certifying agency for Section 608 Type I, II, III, and Universal certifications. This online resource can help you explore certification options, study, practice, and take the test online.

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 …

Do you have questions about EPA testing? You are not alone! Visit the Mainstream Engineering site today to see answers to common questions. Contact us to learn more.

Looking for EPA certification study guides? View the manuals from Mainstream Engineering by visiting our site today. We have the materials to help you pass your test.

Mainstream Engineering Corporation (at EPATest.com) is here to provide complete testing services and support for technicians seeking their EPA 608 certification in addition to certification programs.

EPA Section 608 Type I, Section 609-MVAC, and all other certifications are available online as open-book exams. More information on those tests can be found HERE.