Requirements, license levels, and the issuing authority — sourced from Ohio's official board.
State license covers commercial HVAC; residential-only work is regulated locally. Refrigerant work requires federal EPA Section 608 certification. The 70% exam passing score in prior data was not confirmed on an official page.
| Requirements | At least 5 years as an HVAC trades-person immediately prior to application (or be a registered engineer with 3 years); pass the PSI licensing examination; maintain at least $500,000 contractor liability insurance assigned to a contracting company; provide 40 completed CE hours in code for initial licensure. |
| Reciprocity | OCILB has reciprocity agreements with several states (e.g., WV, AL) for HVAC; verify per state. |
| Renewal | Annual renewal; requires 10 classroom hours of approved continuing education each year. |
| Notes | State license covers commercial HVAC; residential-only work is regulated locally. Refrigerant work requires federal EPA Section 608 certification. The 70% exam passing score in prior data was not confirmed on an official page. |
Sources: com.ohio.gov · dam.assets.ohio.gov. Always confirm current requirements with the issuing authority.
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