New England · 3 trades verified · checked 2026-10-20
New Hampshire trade licenses
Electrician, Plumber and HVAC credentials in New Hampshire, from the issuing board's page or the statute: who issues each one, the levels, the time it takes and the exam.
| Trade | Issued by | Top credential | Time to top | Exam | Fees printed |
|---|---|---|---|---|---|
| Electrician | New Hampshire Electricians' Board | Master Electrician | 4 years | Yes | No |
| Plumber | New Hampshire Mechanical Safety and Licensing Board | Master Plumber | 4.5 years | Yes | No |
| HVAC | New Hampshire Mechanical Safety and Licensing Board | Fuel Gas Service Technician | 1 year | Yes | No |
Electrician in New Hampshire
Statewide journeyman and master electrician licenses; the Board also registers apprentices and high/medium voltage trainees. Master Electrician: 4 years of experience at minimum, plus an exam.
Journeyman Electrician — 4 years, 600 classroom hours, exam. Master Electrician — 4 years, 600 classroom hours, exam. Reciprocity partners named: Maine, Massachusetts, Vermont, Alaska, Arkansas, Colorado, Iowa, Montana, Utah, North Dakota, South Dakota, Wisconsin and Wyoming.
What the top level asks for: RSA 319-C:7, II lists the same 8,000 apprentice hours, 600 education hours and board-approved examination for the master license; the section read sets no separate time as a journeyman.
New Hampshire electrician details · Electrician in every state
Plumber in New Hampshire
Statewide journeyman and master plumber licenses under the Mechanical Safety and Licensing Board's Mec 300 rules. Master Plumber: 4.5 years of experience at minimum, plus an exam.
Journeyman Plumber — 4 years, 600 classroom hours, exam. Master Plumber — 4.5 years, exam. Out-of-state route: reviewed case by case under the source's rules.
What the top level asks for: Mec 305.01(a): held a New Hampshire journeyman plumber license for at least 6 months, and pass the master exam with at least 75% of questions correct.
New Hampshire plumber details · Plumber in every state
HVAC in New Hampshire
Fuel gas fitting licenses for gas piping, appliance installation and service. The Mec 300 rules read create no general HVAC license; this page covers the fuel gas credentials heating and cooling installers hold. Fuel Gas Service Technician: 1 year of experience at minimum, plus an exam.
Fuel Gas Piping Installer — 6 months, 60 classroom hours, exam. Fuel Gas Installation Technician — 6 months, 100 classroom hours, exam. Fuel Gas Service Technician — 1 year, 140 classroom hours, exam. Out-of-state route: reviewed case by case under the source's rules.
What the top level asks for: Mec 305.04(b): at least 140 hours of educational training and 2,000 working hours within 60 months. An installation technician moving up needs a 40-hour formal program plus 2,000 hours.
New Hampshire HVAC details · HVAC in every state
Moving to or from New Hampshire
Electrician: New Hampshire names Maine, Massachusetts, Vermont, Alaska, Arkansas, Colorado, Iowa, Montana, Utah, North Dakota, South Dakota, Wisconsin and Wyoming, and Massachusetts and Maine list New Hampshire in return. Plumber: New Hampshire reviews out-of-state licenses without naming partners. HVAC: New Hampshire reviews out-of-state licenses without naming partners. Conditions differ by board, so read the state page for each trade before relying on a partner list.
Not covered yet
General contractor is not on this page because no New Hampshire board page or statute for it was fetched and verified in this run. The methodology lists every exclusion.
Nearby and comparable: Connecticut · Maine · Massachusetts · Rhode Island · Vermont. Guides: how long each state takes · license or registration.
General information from the New Hampshire sources on 2026-10-20, not legal advice. Each board is the authority; confirm before applying.