Step-by-step guide to earning your heating and air conditioning license in Oklahoma — exams, experience hours, EPA 608, fees, and where to apply.
Key Takeaways
Oklahoma requires a state HVAC / heating and air conditioning license (Mechanical Journeyman License), plus federal EPA Section 608 for refrigerant handling. Expect about 4 years of documented experience before the primary exam. Regulated by Oklahoma Construction Industries Board.
| Fact | Detail |
|---|---|
| State HVAC license | Required |
| EPA 608 | Required (federal) |
| Primary credential | Mechanical Journeyman License |
| Experience (typical) | ~4 years |
| Continuing education | 8 hours |
| Regulator | Oklahoma Construction Industries Board |