Requirements, license levels, and the issuing authority — sourced from Indiana's official board.
Verifiable negative: no Indiana state HVAC licensing authority exists, so there is no single official state board page documenting an HVAC license. EPA Section 608 (federal) still applies to any refrigerant handling. Flag: state-level absence not citable to a dedicated official HVAC page.
| Requirements | Varies by local jurisdiction (some require exams, bonds, insurance; others only permits). HVAC work touching gas piping, hydronic/boiler, or potable-water connections can fall under the Indiana Plumbing Commission. |
| Reciprocity | Not applicable at state level (no state HVAC license). |
| Renewal | Set by each local jurisdiction. |
| Notes | Verifiable negative: no Indiana state HVAC licensing authority exists, so there is no single official state board page documenting an HVAC license. EPA Section 608 (federal) still applies to any refrigerant handling. Flag: state-level absence not citable to a dedicated official HVAC page. |
Sources: . Always confirm current requirements with the issuing authority.
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