Free diagnostic
Free practice test for refrigerant certification
15 questions in 15 minutes. Then your score beside the 70 percent pass mark, a short lesson on what to fix first and a study plan.
- Three Core questions and four from each of Type I, Type II and Type III.
- No account, and nothing about your answers is kept.
- Answer or skip. Questions come one at a time and you move forward only.
The four sections
| Section | Covers | Questions |
|---|---|---|
| Core | Every certification | 25 |
| Type I | Small appliances | 25 |
| Type II | High-pressure systems | 25 |
| Type III | Low-pressure systems | 25 |
Every certification needs Core plus the type for your equipment; Universal is all four, 100 questions. Type II, Type III and Universal tests are closed book.
How we score it
The closed-book test passes at 70 percent. You get your share right in each section beside that mark, and a lesson on the skill you missed most.
The other free tests
Original practice questions for the Section 608 technician certification test. Not affiliated with or endorsed by EPA or any certifying organization. EPA's test topics are free to read.