The 608 Exam Prep Blog
EPA 608 study guides and exam tips
Plain-English breakdowns of the EPA Section 608 certification, current to 2026 and cited to the federal rule. Every article links back to the free practice test.
June 15, 2026
EPA 608 Passing Score: How Many Questions You Need to Get Right in 2026
What it takes to pass each section of the EPA 608 exam, why 18 of 25 is the number people quote, and how the Universal certification is actually scored.
June 12, 2026EPA 608 Type I, II, and III: The Differences That Trip People Up
A plain breakdown of what Core, Type I, Type II, and Type III cover on the EPA 608 exam, and why the four sections are so easy to confuse.
June 10, 2026What Changed on the EPA 608 Exam for 2026: AIM Act and A2L Refrigerants
Why a lot of EPA 608 study guides are out of date, and the recent rule changes you actually need to know: the AIM Act HFC phasedown and A2L refrigerants.