CoolForge: EPA 608 Prep

Study for the EPA Section 608 Technician Certification — Core, Type I, Type II, and Type III — with 142 practice questions that work completely offline.

⚠️ IMPORTANT — PLEASE READ
CoolForge is an independent study aid published by TapForge Studios. It is NOT a government app. It is not affiliated with, endorsed by, authorized by, or operated by the U.S. Environmental Protection Agency (EPA) or any other government agency. EPA does not review or approve training or preparatory materials. This app cannot certify you — EPA Section 608 certification requires passing a test administered by an EPA-approved certifying organization.

OFFICIAL GOVERNMENT SOURCES
All regulatory information in this app is summarized from these official U.S. government sources. Every link below is also built into the app under Reference → Official EPA sources:
- Section 608 Technician Certification: https://www.epa.gov/section608/section-608-technician-certification
- Certification requirements and types: https://www.epa.gov/section608/section-608-technician-certification-requirements
- Official test topics (Core, Type I, II, III): https://www.epa.gov/section608/test-topics
- EPA-approved certifying programs: https://www.epa.gov/section608/certification-programs-section-608-technicians
- Service practice and evacuation requirements: https://www.epa.gov/section608/stationary-refrigeration-service-practice-requirements
- Prohibition on venting refrigerants: https://www.epa.gov/section608/stationary-refrigeration-prohibition-venting-refrigerants
- Refrigerant sales restriction: https://www.epa.gov/section608/refrigerant-sales-restriction
- Recovering, recycling and reclaiming: https://www.epa.gov/section608/recovering-recycling-and-reclaiming-refrigerants
- The regulation itself, 40 CFR Part 82 Subpart F: https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-82/subpart-F
- Clean Air Act overview: https://www.epa.gov/clean-air-act-overview

Where a figure in this app differs from the official source, the official source governs.

WHAT YOU GET
- 142 exam-style questions across Core, Type I, Type II and Type III
- An explanation on every question — right or wrong, you learn why
- Study mode: work through flashcards at your own pace
- Practice mode: instant feedback the moment you answer
- Mock exams: 25 questions, 30 minutes, 70% to pass
- Progress tracking: mastery by section, plus your best exam scores
- Quick Reference: a built-in cheat sheet for the field
- 100% offline — no signal required, ever
- No account, no sign-up, no data collection

THE FOUR EPA 608 AREAS
Core — ozone depletion, the Clean Air Act, refrigerant handling, recovery vs. recycling vs. reclaiming, safety, and shipping. Every Core question is free.
Type I — small appliances with 5 pounds of charge or less.
Type II — high-pressure equipment such as R-22 and R-410A.
Type III — low-pressure chillers such as R-11 and R-123.

QUICK REFERENCE CHEAT SHEET
Fast tables for refrigerant pressure classes, recovery requirements, cylinder fill and storage rules, Clean Air Act sections, and the numbers worth memorizing — all offline, each linked to its official EPA source.

FREE AND PRO
The entire Core section is free, along with the first questions of every Type section and the Core mock exam. The one-time Pro unlock opens every question and mock exam and removes ads. One purchase — no subscription, ever.

ABOUT TAPFORGE STUDIOS
CoolForge is built by TapForge Studios, an independent studio making no-nonsense tools for the trades. More at tapforgeapps.com

Recent changes:
Streak, daily goal, and exam countdown now live on Home. Rate CoolForge from inside the app. Fixed the version number shown in About.