North Carolina HVAC License Requirements

Official classification: Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II) · Issued by the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors.

❄️ HVACNC ✔ Verified 2026-06-19

In North Carolina, HVAC contractors must hold the Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II), issued by the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors, and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in North Carolina

Follow these steps to earn your Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II). Every figure is verified against the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors; full detail for each step is further down the page.

  1. Build the required experience. Contractor: 2 years (4,000 hours) of on-site full-time experience in heating-system work. Technician Class I: 18 months (3,000 hours); Technician Class II: 15 months (2,500 hours).
  2. Pass the Heating contractor examination (by group/class) exam. Providers, passing scores and fees are in the Exams section below.
  3. Line up insurance. You'll need liability insurance (Not mandated by the Board (general liability is commonly carried and recommended, but is not a license condition).), and workers' compensation coverage.
  4. Clear the background check. Criminal background report required; must be current (within 6 months) for application/reexamination.
  5. Submit your application and fees. Apply through the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors — $150 (exam application) application fee, plus a Included with exam application license fee. Processing time: Applications reviewed in order received; exam authorization is valid for a 90-day window.
  6. Keep the license active. Renew annual (expires Dec 31; no grace period).

North Carolina HVAC contractor license lookup

To confirm an HVAC contractor is properly licensed in North Carolina — or to check the status of your own license — search the issuing agency's official license database. The record shows whether the license is active and in good standing.

Verify a license now: Search the official public.nclicensing.org database →

License types

Requirements at a glance

Experience requiredContractor: 2 years (4,000 hours) of on-site full-time experience in heating-system work. Technician Class I: 18 months (3,000 hours); Technician Class II: 15 months (2,500 hours).
Application fee$150 (exam application)
License feeIncluded with exam application
Renewal fee$150 (contractor); $25 late fee if not paid in January
Renewal periodAnnual (expires Dec 31; no grace period)
Continuing educationNone required (CE as a renewal condition was eliminated Dec 31, 2012); voluntary CE encouraged.
Bond requiredNo surety bond mandated by the Board.
Liability insuranceNot mandated by the Board (general liability is commonly carried and recommended, but is not a license condition).
Property damageNot mandated by the Board
Workers' compNot enforced by the Board; required under NC labor law if you have 3+ employees
Background checkCriminal background report required; must be current (within 6 months) for application/reexamination.
Credit requirementNone published
ReciprocityNone
Processing timeApplications reviewed in order received; exam authorization is valid for a 90-day window.

Exams

Heating contractor examination (by group/class)Provider: PSI · Passing: Not publicly disclosed · Fee: $150 examination application fee (non-refundable)
Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Heating-group licenses are tiered by system type (wet vs forced air) and cooling tonnage rather than by project dollar value.

Frequently asked questions

How much does a North Carolina hvac license cost?

Application: $150 (exam application). License: Included with exam application. Renewal: $150 (contractor); $25 late fee if not paid in January.

How do I look up a hvac license in North Carolina?

Search the official license database at public.nclicensing.org. The record shows whether the license is active and in good standing.

Do hvacs in North Carolina need a surety bond?

No surety bond mandated by the Board.

What experience is required for a North Carolina hvac license?

Contractor: 2 years (4,000 hours) of on-site full-time experience in heating-system work. Technician Class I: 18 months (3,000 hours); Technician Class II: 15 months (2,500 hours).

Is insurance required for hvacs in North Carolina?

Liability: Not mandated by the Board (general liability is commonly carried and recommended, but is not a license condition). Workers' compensation: Not enforced by the Board; required under NC labor law if you have 3+ employees

How often must a North Carolina hvac license be renewed?

Annual (expires Dec 31; no grace period).

Fees and rules change frequently (often annually). This page was last verified on 2026-06-19 — always confirm current requirements directly with the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors before applying. This is not legal advice.

Official sources

nclicensing.org/faq
nclicensing.org/license-renewal
nclicensing.org/applicant-information
nclicensing.org/wp-content/uploads/2025/01/License-Definitions-Technician-2025v1.pdf

Other North Carolina contractor licenses

⚡ Electrician
Electrical Contractor License (Limited / Intermediate / Unlimited / Special Restricted)
🔧 Plumber
Plumbing Contractor, Class I / Class II (and Restricted Limited Plumbing Contractor)
🏗️ General Contractor
North Carolina General Contractor License (Limited / Intermediate / Unlimited limitation, by classification)
🏠 Roofer
No separate roofing board — roofing of $40,000 or more requires an NCLBGC General Contractor license, available as a dedicated S(Roofing) specialty classification (or under the broader Building / Residential classifications)

HVAC licensing in other states

Alabama
Heating, Air Conditioning & Refrigeration Contractor Certification
Arizona
CR-39 / C-39 / R-39R Air Conditioning and Refrigeration
Arkansas
HVAC-R Contractor License
California
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Connecticut
Unlimited Heating, Piping, and Cooling Contractor (S-1) / Unlimited Heating, Piping, and Cooling Journeyperson (S-2)
Delaware
Master HVACR
Florida
Air Conditioning Contractor (Class A / Class B)
Georgia
Conditioned Air Contractor License (Class I or Class II)
Hawaii
C-52 Ventilating and Air Conditioning Contractor / C-53 Refrigeration Contractor
Idaho
HVAC Contractor
Indiana
HVAC Contractor License
Iowa
HVAC-Refrigeration with Gas License
Kentucky
HVAC Contractor License
Louisiana
Mechanical Work (Statewide) classification
Maryland
HVACR Master / Master Restricted / Limited Contractor / Journeyman License
Massachusetts
No single HVAC license — work is licensed as Sheet Metal Worker, Refrigeration Technician/Contractor, Pipefitter (Heating & Cooling), or Oil Burner Technician depending on the task
Michigan
Mechanical Contractor License — HVAC Equipment Classification
Minnesota
Mechanical Contractor Bond Filing (state level) + Local Competency Card (city level)
Mississippi
Commercial HVAC Contractor (Mechanical Work – HVAC specialty) / Residential HVAC Contractor
Missouri
No statewide HVAC/mechanical license — licensed at the city/county level
Nevada
C-21 Refrigeration and Air Conditioning Contractor
New Jersey
Master HVACR Contractor License
New Mexico
MM-3 Heating, Ventilation and Air Conditioning Contractor
New York
No statewide license — NYC Oil Burner Equipment Installer License
Ohio
Commercial Contractor (HVAC)
Oklahoma
Mechanical License (HVAC/R)
Oregon
CCB Contractor License with a mechanical/HVAC specialty endorsement (Residential Specialty Contractor or Commercial Specialty Contractor)
South Carolina
Mechanical Contractor - Air Conditioning / Heating [commercial]; Residential Specialty Contractor - HVAC [residential]
Tennessee
Contractor License, CMC-C (HVAC, Refrigeration and Gas Piping) classification
Texas
Air Conditioning & Refrigeration Contractor License (Class A / Class B)
Utah
H100 HVAC Contractor (replacing the former S350 HVAC Contractor classification)
Virginia
Contractor License (Class A/B/C) with HVAC (HVA) specialty; plus individual HVAC Tradesman license (Journeyman/Master)
Washington
HVAC/R Specialty Contractor Registration + HVAC/Refrigeration Specialty Electrician Certificate (where electrical work is performed)
Wisconsin
HVAC Qualifier Certification + HVAC Contractor Registration