How to Verify a Licensed HVAC Contractor in Vermont

Vermont requires HVAC and plumbing and heating contractors to be licensed through the Vermont Office of Professional Regulation (sec.state.vt.us/professional-regulation). A $10,000 surety bond is required. Vermont's cold winters make heating system quality a genuine safety issue — verify your HVAC contractor's credentials before any work begins.

This guide covers Vermont's HVAC licensing requirements, how to verify credentials, what bond is required, and what else to confirm before hiring.

Does Vermont require HVAC contractors to be licensed?

Yes. Vermont requires HVAC and plumbing and heating contractors to hold a valid license through the Vermont Office of Professional Regulation (OPR) at sec.state.vt.us/professional-regulation. Vermont's plumbing and heating licensing program covers contractors who install, repair, and replace heating systems, including furnaces, boilers, heat pumps, and related HVAC equipment. Performing this work without a license is a violation of Vermont law.

Vermont's plumbing and heating licensing recognizes the close relationship between plumbing and heating systems in the state's climate. The OPR issues Master Plumber licenses that typically cover both plumbing and heating work, and the licensing program ensures contractors have the training to install systems that perform reliably in Vermont's cold winters.

According to the Vermont Department of Public Service, heating costs account for a significant portion of Vermont household energy budgets — averaging over $1,500 per year for many homes. An improperly installed or undersized heating system increases those costs and creates safety risks. Licensed contractors know how to size and install systems correctly for Vermont conditions.

What Vermont license covers HVAC work?

Vermont's plumbing and heating licensing program, administered through the OPR, is the primary licensing pathway for HVAC and heating contractors. A Master Plumber license in Vermont typically includes heating system work, covering boiler, furnace, and heat pump installations. For air conditioning and refrigeration work, contractors may also need to demonstrate competency in those systems.

Vermont HVAC-related license types:

• Master Plumber (Plumbing & Heating)— The primary license covering both plumbing and heating system work in Vermont. Required for contractors who install or service heating equipment.
• Journeyman Plumber— Can perform heating system work under master supervision.
• Home Improvement Contractor (HIC)— Business-level registration required for contractors performing residential HVAC and heating work.

When hiring an HVAC contractor in Vermont, confirm the individual holds an active Master Plumber (Plumbing & Heating) license and the business holds current HIC registration, both verifiable through the OPR.

What bond does a Vermont HVAC contractor need?

Vermont HVAC and heating contractors must carry a $10,000 surety bond as a condition of their OPR license and HIC registration. The bond provides financial protection if the contractor fails to complete work or causes damage. Beyond the bond, verify active general liability insurance (at least $300,000 for residential work) and workers' compensation. Confirm active coverage by calling the insurer before any work begins.

How do I verify an HVAC contractor's license in Vermont?

Go to sec.state.vt.us/professional-regulation and use the OPR's public license lookup. Search under plumbing and heating licenses for the contractor's name, business name, or license number. Confirm the license type covers heating and HVAC work, the status is active, and the expiration date has not passed. Also search for the company's HIC registration to confirm the business is registered for residential home improvement work.

What to confirm:

• Master Plumber (Plumbing & Heating) license— Active for the qualifying individual.
• HIC registration— Active for the business performing residential work.
• Status— Active for both credentials. Any other status means not authorized.
• Expiration dates— Both must be current.
• EPA 608 certification— Required for any refrigerant handling. Confirm separately.

What permits are required for HVAC work in Vermont?

Most HVAC and heating system work in Vermont requires a permit from the local town or city building department. Vermont's towns have primary authority over building permits. Your licensed contractor should pull the permit before starting work. Unpermitted HVAC work can void equipment warranties, fail home sale inspections, and leave safety hazards undetected. Confirm with your town office which permits apply to your specific project.

CheckLicensed.com lets you verify any Vermont HVAC contractor's credentials for just $0.99. Confirm the OPR plumbing and heating license is active at sec.state.vt.us/professional-regulation or use CheckLicensed.com before any heating or cooling work begins on your property.