EPA 608 guides
Direct answers about the EPA 608: exam format, scoring, eligibility, EPA's published test topics.
EPA 608 Certification: Types, Format, Cost, and Where to Take It
EPA 608 certification from the rule itself: Type I, II, III and Universal, the 50- and 100-question tests, 70% pass mark, cost by program, card, expiry.
How to Pass the EPA 608 (Core, Type I, II, III)
What's on each EPA 608 section, the 18-of-25 line, how test programs differ on time and calculators, a 25-hour study plan, and the traps.
EPA 608 Core: the 40 topics, the numbers and the traps
The EPA 608 Core section: EPA's 40 test topics in 7 groups, the dates and numbers behind them, and the traps. Every fact sourced; checked Sept 24, 2026.
EPA 608 Type II: scope, evacuation levels, leak repair and the traps
EPA 608 Type II from the CFR: scope, Table 1 evacuation levels, major vs non-major repair, both leak-repair rules and psig vs psia. Checked Sept 24, 2026.
A2L refrigerants: what they are, the list, the rules and the certification question
What A2L means, the A2L refrigerant list with EPA's GWPs, EPA's SNAP rules for A2L equipment, and whether an A2L certification exists. Sourced, dated.
The 2026 EPA 608 question bank: what's reported, what's confirmed
ESCO offers a 2026 EPA 608 exam; ACHR News reports old-bank exams run only through Jan 1, 2027. What's confirmed, who said it, what EPA has published.
10 EPA 608 facts prep sites get wrong
Old leak rates, stale fines, time limits EPA never set: 10 EPA 608 claims from study sites, each checked against the CFR or EPA on Sept 24, 2026.