Forty original questions across the four sections of the EPA Section 608 exam — Core, Type I, Type II, and Type III — with instant scoring, plain-English explanations, and the real exam's bar: 70% per section. Clear all four and print your serial-numbered Readiness Certificate.
Enter your name as it should appear on the certificate:
The GSU EPA 608 Certification Study Guide by Dr. Gene A. Constant covers all four sections in depth — available in Kindle ($3.99), paperback, and hardcover. And GENO, the GSU AI tutor, will quiz you out loud on any section, 24/7, free, in 83 languages.
Get the Study Guide Free HVAC BTU Calculator Ask GENO to Quiz MeNo. It is a free practice exam with original questions written to the EPA Section 608 published topic areas. Actual certification is issued only by EPA-approved certifying organizations.
The widely used standard is 70% per section — the same bar this practice exam applies to its readiness verdict.
Core: regulations, ozone science, safety, recovery basics — required of everyone. Type I: small appliances (5 lb or less). Type II: high-pressure appliances like residential split systems. Type III: low-pressure appliances like centrifugal chillers. Pass Core plus all three types and you're eligible for Universal.
No — it documents that you scored 70% or better in every section of this practice exam. A study milestone, honestly labeled.
Free educational practice exam from Global Sovereign University, a program of The Foundation for Global Instruction (501(c)(3)). All questions are original works aligned to publicly documented EPA Section 608 topic areas; none are reproduced from any actual certification exam. Regulations and thresholds cited reflect standard Section 608 training content — verify current requirements with the EPA and your certifying organization. This exam and its readiness certificate confer no EPA credential.
GLOBAL SOVEREIGN UNIVERSITY
EPA Section 608 Practice Examination
This certifies that
scored 70% or higher in all four sections — Core, Type I, Type II, and Type III —
of the Global Sovereign University EPA 608 Practice Exam.
Score: · Date: · Serial:
This readiness certificate is a study milestone from a 501(c)(3) educational nonprofit.
It is not an EPA credential; EPA 608 certification is issued only by EPA-approved certifying organizations.
"Every person on Earth is born with an American spirit: an untamed yearning for a better tomorrow."
— Dr. Gene A. Constant, Founding Chancellor