Working as an HVAC contractor in New Hampshire requires understanding the state's licensing rules, application process, and regulatory authority.

This guide explains whether New Hampshire requires an HVAC license, the license types available, the governing agency, and how contractors can apply.

New Hampshire HVAC License Requirements

At a Glance

Requirement	Details
State	New Hampshire
License Required	Yes
Licensing Authority	New Hampshire Office of Professional Licensure and Certification
Licensing Model	Trade-split
Last Verified	2026-03-10

Does New Hampshire Require a State HVAC License?

Yes. New Hampshire OPLC resources identify state specialty licensing pathways relevant to HVAC work (including heating/cooling system installation through gas/oil heating credentials) rather than one single unified HVAC contractor credential. (Source 1, Source 2)

Who Regulates HVAC Licensing in New Hampshire?

• Agency: New Hampshire Office of Professional Licensure and Certification
• Authority type: department
• Website: https://oplc.nh.gov/heating-ventilation-air-conditioning-and-refrigeration-technicians-and-installers
• Phone: Unverified
• Email: Unverified
• Notes: OPLC resources identify specialty license pathways and legal/rule references for HVAC-related work.

License Types

Gas Fitter License Pathway

• Scope of work: State credential pathway for gas fitting work tied to heating/cooling system installation scopes.
• Who needs it: Individuals/contractors performing regulated gas-heating scope.
• Key limitations: Scope is specialty-specific.
• Citation(s): Source 1, Source 2

Oil Burner / Refrigeration-Related Specialty Pathways

• Scope of work: State specialty pathways relevant to heating/cooling equipment work.
• Who needs it: Individuals/contractors in those regulated specialties.
• Key limitations: Does not represent one unified statewide HVAC contractor license.
• Citation(s): Source 1, Source 2

Experience Requirements

• Minimum experience: Unverified in this pass.
• Education substitutions: Unverified
• Apprenticeship pathway: Unverified
• Documented proof required: Unverified
• Exceptions: Unverified
• Citation(s): Source 1

Exam Requirements

• Exam required: Yes (specialty exam framework is published)
• Trade exam: Yes
• Business/law exam: Unverified
• Exam provider: Unverified
• Passing score: Unverified
• Retake policy: Unverified
• Citation(s): Source 1

Application Requirements

• Application form/link: OPLC specialty licensing forms/resources.
• Application fee: Unverified
• Background check: Unverified
• Insurance requirements: Unverified
• Bond requirements: Unverified
• Financial/responsibility requirements: Unverified
• Processing time (if published): Unverified
• Citation(s): Source 1

Renewal Requirements

• Renewal cycle: Unverified
• Renewal fee: Unverified
• Continuing education: Unverified
• Late renewal/reinstatement: Unverified
• Citation(s): Source 1

Local Licensing Rules

New Hampshire uses state specialty licensing pathways with local permit overlays. This table is baseline-only.

Key Jurisdictions to Check

Jurisdiction	HVAC License / Registration Status	Official Link	Notes
Manchester (largest city)	Unverified (Jurisdiction page verified)	https://www.manchesternh.gov/Departments/Planning-and-Community-Development/Building-Inspection	Official building-inspection resources are published; confirm local HVAC permit requirements directly.
Concord (state capital)	Unverified (Jurisdiction page verified)	https://www.concordnh.gov/207/Building-Safety	City building-safety resources are published; HVAC-specific local overlay details require direct confirmation.
Nashua	Unverified (Jurisdiction page verified)	https://www.nashuanh.gov/343/Permits-and-Inspections	Official permit/inspection resources are published; verify local HVAC contractor prerequisites before work.

Reciprocity

• Reciprocity available: Unverified
• With which states/credential pathways: Unverified
• Conditions/limits: Unverified
• Citation(s): Source 1

Important Notes

• New Hampshire HVAC-related licensing is specialty-based in reviewed state sources.
• High-risk operational details remain Unverified in this pass.
• Local permit and inspection requirements remain jurisdiction-specific.

New Hampshire HVAC License FAQ

Do you need an HVAC license in New Hampshire?

Yes. New Hampshire requires a state-issued credential, registration, or licensing pathway for at least some contractor-level HVAC work. Review the sections above for license types and application requirements.

Who regulates HVAC licensing in New Hampshire?

HVAC licensing in New Hampshire is regulated by New Hampshire Office of Professional Licensure and Certification and, where applicable, local jurisdictions or related trade authorities.

What types of HVAC licenses exist in New Hampshire?

New Hampshire uses one or more license or registration types depending on project scope, system type, or trade classification. See the License Types section above for details.

How long does it take to get an HVAC license in New Hampshire?

Processing times vary in New Hampshire and may depend on application review, exam scheduling, documentation, and local jurisdiction requirements. Review official sources before applying.

Does New Hampshire offer HVAC license reciprocity?

Reciprocity in New Hampshire may be limited, conditional, or unverified in this pass. Review the Reciprocity section above and confirm with the licensing authority before relying on reciprocity.

HVAC Licensing in Nearby States

• Maine HVAC License Requirements
• Massachusetts HVAC License Requirements
• Vermont HVAC License Requirements
• New York HVAC License Requirements

Sources

1. New Hampshire OPLC - HVAC/Refrigeration and related specialty licensing page - https://oplc.nh.gov/heating-ventilation-air-conditioning-and-refrigeration-technicians-and-installers (Accessed: 2026-03-10)
2. New Hampshire Revised Statutes and Administrative Rules portal - https://www.gencourt.state.nh.us/rsa/html/indexes/ (Accessed: 2026-03-10)
3. City of Manchester, NH - Building Inspection - https://www.manchesternh.gov/Departments/Planning-and-Community-Development/Building-Inspection (Accessed: 2026-03-10)
4. City of Concord, NH - Building Safety - https://www.concordnh.gov/207/Building-Safety (Accessed: 2026-03-10)
5. City of Nashua - Permits and Inspections - https://www.nashuanh.gov/343/Permits-and-Inspections (Accessed: 2026-03-10)
6. New Hampshire OPLC - Professional licensing home - https://oplc.nh.gov/ (Accessed: 2026-03-10)
7. New Hampshire Office of Energy and Planning - Building code/permit resources - https://www.nh.gov/ (Accessed: 2026-03-10)

Disclaimer

Requirements can change. Confirm current licensing rules with the official authority before applying, testing, bidding, contracting, or performing HVAC work.