North Carolina State Board of Examiners of Plumbing · checked 2026-10-20
North Carolina HVAC License Requirements
Statewide heating contractor licenses in three heating groups defined by G.S. 87-21, issued in Class I (all structures) and Class II (single-family dwellings). Heating Group No. 1: up to 2 years of experience at most, plus an exam.
- 1H-3 · Heating Group No. 3 up to 2 years
- 2H-2 · Heating Group No. 2 up to 2 years
- 3H-1 · Heating Group No. 1 up to 2 years
License levels in North Carolina
The North Carolina path has 3 steps on this page: Heating Group No. 3, Heating Group No. 2 and Heating Group No. 1. The source states the time in years.
| Level | Experience | Classroom | Time from start | Exam | Fees |
|---|---|---|---|---|---|
| H-3 Heating Group No. 3 | 2 years (most the board may require) | — | up to 2 years | Yes | Not printed |
| H-2 Heating Group No. 2 | 2 years (most the board may require) | — | up to 2 years | Yes | Not printed |
| H-1 Heating Group No. 1 | 2 years (most the board may require) | — | up to 2 years | Yes | Not printed |
Heating Group No. 3 (H-3)
Experience the Board requires may not exceed two years (half may be coursework); pass the business-and-law and technical exam. G.S. 87-21(a)(4), (b)(3). Scope: direct heating or cooling with a mechanical refrigeration capacity of 15 tons or less using ducts; all single-family systems regardless of size. Source: N.C. Gen. Stat. § 87-21.
Heating Group No. 2 (H-2)
The same two-year ceiling on required experience and the two-part exam. G.S. 87-21(a)(3). Scope: integral heating or cooling systems over 15 tons of mechanical refrigeration that circulate air. Source: N.C. Gen. Stat. § 87-21.
Heating Group No. 1 (H-1)
The same two-year ceiling and the two-part exam. G.S. 87-21(a)(2). Scope: heating with high or low pressure steam, vapor or hot water. Source: N.C. Gen. Stat. § 87-21.
Exam
3 of the 3 levels listed here require an exam: Heating Group No. 3, Heating Group No. 2 and Heating Group No. 1. The source does not print a pass mark.
Fees
The North Carolina source read prints no dollar amounts for this license. The statute leaves the annual license fee to the Board.
Reciprocity
The North Carolina sources read for this trade name no reciprocity agreement and no route for out-of-state licensees.
How North Carolina compares
North Carolina is unusual: its statute caps how much experience the board may demand (up to 2 years for the heating group no. 1) rather than setting a floor, so it is left out of the shortest-to-longest ranking on this site.
Same trade elsewhere: California · Texas · Florida · Ohio · Georgia. All states side by side: HVAC license requirements by state.
Other trades in North Carolina
- Electrician: Unlimited Electrical Contractor: up to 4.5 years of experience at most, plus an exam.
- Plumber: Plumbing Contractor, Class I: up to 2 years of experience at most, plus an exam.
- General contractor: Unlimited license: the source states no minimum time, plus an exam.
All covered trades on one page: North Carolina trade licenses.
Background reading: From apprentice to master: how long each state takes · How trade license exams work.
Questions
Who issues the hvac license in North Carolina?
North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors. Statewide heating contractor licenses in three heating groups defined by G.S. 87-21, issued in Class I (all structures) and Class II (single-family dwellings).
How long does it take to qualify for the Heating Group No. 1 in North Carolina?
up to 2 years by this site's count. The same two-year ceiling and the two-part exam. G.S. 87-21(a)(2).
Does North Carolina have hvac license reciprocity?
The North Carolina sources read name no reciprocity agreement for this trade.
Sources and last checked
| What | Source | Checked |
|---|---|---|
| Issuing authority | North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors | 2026-10-20 |
| H-3 requirements | N.C. Gen. Stat. § 87-21 | 2026-10-20 |
| H-2 requirements | N.C. Gen. Stat. § 87-21 | 2026-10-20 |
| H-1 requirements | N.C. Gen. Stat. § 87-21 | 2026-10-20 |
| Law cited | N.C. Gen. Stat. § 87-21 | 2026-10-20 |
This page summarises what the North Carolina source said on 2026-10-20. It is general information, not legal advice; the board's own page and the statute are the authority and can change. Confirm with North Carolina State Board of Examiners of Plumbing before applying. The free official route is the board itself: its page, application forms and staff answer eligibility questions.