Delaware Division of Professional Regulation · checked 2026-10-21
Delaware HVAC License Requirements
Statewide master HVACR license issued under 24 Del. C. chapter 18, subchapter III. The subchapter read covers the master license only. Master HVACR: 2 years of experience at minimum, plus an exam.
- 1MH · Master HVACR 2 years after the prior level
License levels in Delaware
Delaware has one credential on this path: the Master HVACR. The source states the time in years.
| Level | Experience | Classroom | Time from start | Exam | Fees |
|---|---|---|---|---|---|
| MH Master HVACR | 2 years at the prior level | — | 2 years after the prior level | Yes | Not printed |
Master HVACR (MH)
A journeyman's certificate from an apprenticeship program, then two years of HVACR or HVACR restricted work under a master HVACR licensee; or seven years under a master plus the apprenticeship equivalency test. Then a written standardized exam (offered at least quarterly) and EPA certification at the appropriate level for handling chlorofluorocarbons. Source: 24 Del. C. §§ 1821-1822, Master HVACR qualifications and exam.
Exam
1 of the 1 level listed here requires an exam: Master HVACR. The source does not print a pass mark.
Fees
The Delaware source read prints no dollar amounts for this license. The code sections read print no fees.
Reciprocity
The Delaware sources read for this trade name no reciprocity agreement and no route for out-of-state licensees.
How Delaware compares
Delaware's source gives 2 years for the master hvacr on top of the earlier level, but no time for the earlier level itself, so the full path cannot be ranked against other states.
Same trade elsewhere: California · Texas · Florida · Ohio · Georgia. All states side by side: HVAC license requirements by state.
Other trades in Delaware
- Electrician: Master electrician: 4 years of experience at minimum, plus an exam.
- Plumber: Master plumber: 2 years of experience at minimum, plus an exam.
All covered trades on one page: Delaware 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 Delaware?
Delaware Division of Professional Regulation, Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners. Statewide master HVACR license issued under 24 Del. C. chapter 18, subchapter III. The subchapter read covers the master license only.
How long does it take to qualify for the Master HVACR in Delaware?
2 years by this site's count, plus however long the earlier level takes. A journeyman's certificate from an apprenticeship program, then two years of HVACR or HVACR restricted work under a master HVACR licensee; or seven years under a master plus the apprenticeship equivalency test. Then a written standardized exam (offered at least quarterly) and EPA certification at the appropriate level for handling chlorofluorocarbons.
Does Delaware have hvac license reciprocity?
The Delaware sources read name no reciprocity agreement for this trade.
Sources and last checked
| What | Source | Checked |
|---|---|---|
| Issuing authority | Delaware Division of Professional Regulation, Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners | 2026-10-21 |
| MH requirements | 24 Del. C. §§ 1821-1822, Master HVACR qualifications and exam | 2026-10-21 |
| Law cited | 24 Del. C. §§ 1821, 1822 | 2026-10-21 |
This page summarises what the Delaware source said on 2026-10-21. It is general information, not legal advice; the board's own page and the statute are the authority and can change. Confirm with Delaware Division of Professional Regulation before applying. The free official route is the board itself: its page, application forms and staff answer eligibility questions.