Requirements, license levels, and the issuing authority, sourced from Vermont's official board.
Vermont regulates the fuel and electrical pieces of HVAC rather than HVAC as a trade, so gas heating work needs a gas installer certification, oil heat needs the NORA-based oil burner license, hydronic heating falls under the P2 Heating System Specialist, and the electrical side of refrigeration and air conditioning falls under the C3 electrical specialist endorsement. Cooling-only work carries no Vermont trade license. A residential job at or above $10,000 also pulls in the separate Office of Professional Regulation contractor registration, which tests insurance and contract practice rather than skill. Refrigerant work requires federal EPA Section 608 certification.
| Requirements | There is no HVAC examination or hours requirement, because no HVAC license exists. LP Gas Installer requires completion of National Propane Gas Association CETP sections 1.0, 4.1, 4.2, 4.3 and 4.4; Natural Gas Installer requires the American Gas Association course of study covering combustion, venting, electricity, gas controls and gas appliances; application and renewal fees are $60 each. Oil Burning Equipment Installer requires the National Oil Heat Research Alliance Silver Certificate examination, and the Limited version the Bronze. The C3 refrigeration and air conditioning endorsement requires an accredited board-recognized training and experience program plus a 35-question specialty examination. Residential Contractor registration is required for residential work valued at $10,000 or more including heating installation or repair, and requires $1,000,000 per occurrence and $2,000,000 aggregate liability insurance, attestation to a written contract, and a $75 individual or $250 business fee; it carries no examination. |
| Reciprocity | Not addressed on the official pages reviewed, and the absence is consistent across every relevant Division of Fire Safety publication. The oil burner installers page and the gas certifications page contain no reciprocity language, the Division's licensing index, which lists all of the trade categories it regulates, including boilers, electrical, elevator, gas certifications, oil burner, plumbing and the fire trades, mentions no reciprocity for any of them, and the Division's own Candidate Information Bulletin, the handbook issued to trade-licence examination candidates, contains no occurrence of reciprocity, other state, or equivalent. Vermont therefore publishes no reciprocity or endorsement route for its gas and oil-burner certifications. |
| Renewal | Gas certifications and oil burner installer licenses require 8 hours of related instruction in the previous 3 years, including at least 2 hours on the prevention of carbon monoxide leakage and the safety inspection of an existing appliance under NFPA 54 annex H; a current NORA silver or gold certificate satisfies the oil burner requirement. Any application or renewal after July 1, 2021 also requires the Vermont Energy Goals Education Module. The renewal term in years is not stated on the official pages reviewed. Residential Contractor registration renews every 2 years. |
| Notes | Vermont regulates the fuel and electrical pieces of HVAC rather than HVAC as a trade, so gas heating work needs a gas installer certification, oil heat needs the NORA-based oil burner license, hydronic heating falls under the P2 Heating System Specialist, and the electrical side of refrigeration and air conditioning falls under the C3 electrical specialist endorsement. Cooling-only work carries no Vermont trade license. A residential job at or above $10,000 also pulls in the separate Office of Professional Regulation contractor registration, which tests insurance and contract practice rather than skill. Refrigerant work requires federal EPA Section 608 certification. |
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Sources: firesafety.vermont.gov, sos.vermont.gov, firesafety.vermont.gov, firesafety.vermont.gov. Always confirm current requirements with the issuing authority.
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