Massachusetts HVAC License Requirements

Official classification: 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 · Issued by the Board of Examiners of Sheet Metal Workers (DOL); Office of Public Safety and Inspections (Pipefitters & Refrigeration); Department of Fire Services (Oil Burner).

❄️ HVACMA ✔ Verified 2026-06-24

In Massachusetts, HVAC contractors must hold the 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, issued by the Board of Examiners of Sheet Metal Workers (DOL); Office of Public Safety and Inspections (Pipefitters & Refrigeration); Department of Fire Services (Oil Burner), 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 Massachusetts

Follow these steps to earn your 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. Every figure is verified against the Board of Examiners of Sheet Metal Workers (DOL); Office of Public Safety and Inspections (Pipefitters & Refrigeration); Department of Fire Services (Oil Burner); full detail for each step is further down the page.

Build the required experience. Varies by license. Sheet Metal Journeyperson J-1 (unrestricted): 8,000 apprentice hours over 5+ years + a 750-hour course (J-2 restricted: 4,800 hours + a 450-hour course). Refrigeration Technician: about 6,000 apprentice hours + 250 education hours and EPA 608 Universal; Refrigeration Contractor: 2,000 hours as a MA technician + 100 education hours. Oil Burner Technician: no work-hour minimum; pass the written exam.
Pass the Sheet Metal Worker Exam (open book) and Refrigeration Technician/Contractor Exam (written + practical) and Oil Burner Technician Exam (written) exams. Providers, passing scores and fees are in the Exams section below.
Line up insurance. You'll need liability insurance (A Sheet Metal business license requires a certificate of liability insurance from a MA-licensed insurer (no fixed statutory minimum); individual licenses do not require insurance as a condition of licensure.).
Clear the background check. Not specified as a condition of licensure for these credentials.
Submit your application and fees. Apply through the Board of Examiners of Sheet Metal Workers (DOL); Office of Public Safety and Inspections (Pipefitters & Refrigeration); Department of Fire Services (Oil Burner) — Refrigeration: Apprentice $40, Technician $75, Contractor $150. Oil Burner: Apprentice $40, Technician $75. Sheet Metal business license $225. application fee, plus a Included in the application fees above (OPSI/DFS credentials) license fee. Processing time: Refrigeration: applicants notified by mail 4-8 weeks after filing; exams are first-come, first-served (file 30 days ahead).
Keep the license active. Renew every 2 years (Sheet Metal, Refrigeration, Oil Burner), completing Sheet Metal: CE required (271 CMR 4.00). Refrigeration: continuing education from OPSI-approved schools. Oil Burner: none found.

License types

Sheet Metal Worker (Apprentice / Journeyperson / Master / Business) — Ductwork, air distribution, exhaust hoods, rooftop HVAC equipment (271 CMR).
Refrigeration Technician / Contractor — Refrigerant-containing A/C and refrigeration systems of 10 tons or greater (under-10-ton systems need only EPA 608).
Pipefitter (Power, Heating & Cooling) — Hydronic heating/cooling piping, steam, and process piping (528 CMR 11).
Oil Burner Technician — Installs/services oil-fired heating equipment (527 CMR 1.00; M.G.L. c. 148).

Requirements at a glance

Experience required	Varies by license. Sheet Metal Journeyperson J-1 (unrestricted): 8,000 apprentice hours over 5+ years + a 750-hour course (J-2 restricted: 4,800 hours + a 450-hour course). Refrigeration Technician: about 6,000 apprentice hours + 250 education hours and EPA 608 Universal; Refrigeration Contractor: 2,000 hours as a MA technician + 100 education hours. Oil Burner Technician: no work-hour minimum; pass the written exam.
Application fee	Refrigeration: Apprentice $40, Technician $75, Contractor $150. Oil Burner: Apprentice $40, Technician $75. Sheet Metal business license $225.
License fee	Included in the application fees above (OPSI/DFS credentials)
Renewal fee	Sheet Metal (biennial): Journeyperson $80, Master $100, Business $225. Refrigeration/Oil Burner: biennial.
Renewal period	Every 2 years (Sheet Metal, Refrigeration, Oil Burner)
Continuing education	Sheet Metal: CE required (271 CMR 4.00). Refrigeration: continuing education from OPSI-approved schools. Oil Burner: none found.
Bond required	No state surety bond is required for these HVAC-related licenses.
Liability insurance	A Sheet Metal business license requires a certificate of liability insurance from a MA-licensed insurer (no fixed statutory minimum); individual licenses do not require insurance as a condition of licensure.
Property damage	Not separately specified by statute
Workers' comp	Mandatory for any employer (M.G.L. c. 152)
Background check	Not specified as a condition of licensure for these credentials.
Credit requirement	None
Reciprocity	Refrigeration: none (Massachusetts does not recognize out-of-state refrigeration licenses).
Processing time	Refrigeration: applicants notified by mail 4-8 weeks after filing; exams are first-come, first-served (file 30 days ahead).

Exams

Sheet Metal Worker Exam (open book)	Provider: PSI Services · Passing: Set by the board · Fee: Paid to PSI (set by the vendor)
Refrigeration Technician/Contractor Exam (written + practical)	Provider: Office of Public Safety and Inspections (state-administered) · Passing: 70% · Fee: Bundled in the application fee
Oil Burner Technician Exam (written)	Provider: Department of Fire Services (state-administered) · Passing: 70% · Fee: Included in the $75 application/exam fee

Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

There is no single statewide HVAC license in Massachusetts. The credential depends on the work: ductwork = Sheet Metal; refrigerant/AC 10+ tons = Refrigeration; hydronic/steam piping = Pipefitter; oil-fired heating = Oil Burner. EPA Section 608 certification is separately required to handle refrigerants; many HVAC contractors hold more than one credential.

Frequently asked questions

How much does a Massachusetts hvac license cost?

Application: Refrigeration: Apprentice $40, Technician $75, Contractor $150. Oil Burner: Apprentice $40, Technician $75. Sheet Metal business license $225.. License: Included in the application fees above (OPSI/DFS credentials). Renewal: Sheet Metal (biennial): Journeyperson $80, Master $100, Business $225. Refrigeration/Oil Burner: biennial..

Do hvacs in Massachusetts need a surety bond?

No state surety bond is required for these HVAC-related licenses.

What experience is required for a Massachusetts hvac license?

Varies by license. Sheet Metal Journeyperson J-1 (unrestricted): 8,000 apprentice hours over 5+ years + a 750-hour course (J-2 restricted: 4,800 hours + a 450-hour course). Refrigeration Technician: about 6,000 apprentice hours + 250 education hours and EPA 608 Universal; Refrigeration Contractor: 2,000 hours as a MA technician + 100 education hours. Oil Burner Technician: no work-hour minimum; pass the written exam.

Is insurance required for hvacs in Massachusetts?

Liability: A Sheet Metal business license requires a certificate of liability insurance from a MA-licensed insurer (no fixed statutory minimum); individual licenses do not require insurance as a condition of licensure. Workers' compensation: Mandatory for any employer (M.G.L. c. 152)

How often must a Massachusetts hvac license be renewed?

Every 2 years (Sheet Metal, Refrigeration, Oil Burner). Continuing education: Sheet Metal: CE required (271 CMR 4.00). Refrigeration: continuing education from OPSI-approved schools. Oil Burner: none found.

Fees and rules change frequently (often annually). This page was last verified on 2026-06-24 — always confirm current requirements directly with the Board of Examiners of Sheet Metal Workers (DOL); Office of Public Safety and Inspections (Pipefitters & Refrigeration); Department of Fire Services (Oil Burner) before applying. This is not legal advice.