Maine HVAC License Requirements
Your complete guide to HVAC licensing in Maine, including who needs a license, what it costs, and how to apply.
Maine HVAC License Summary
- Last updated: August 6, 2026
- Written by: James R. Leichter
- Reviewed by: Aptora Staff
License Types in Maine
Apprentice Oil Burner and/or Solid Fuel Technician
Covers entry-level oil heating work under the direct, physical supervision of a licensed Master to legally compile required hands-on field experience.
Journeyman Oil Burner and/or Solid Fuel Technician
Covers cleaning, installing, and servicing oil and solid fuel HVAC systems under the indirect supervision of a licensed Master technician.
Master Oil Burner and/or Solid Fuel Technician
Covers the layout, advanced installation, and supervision of oil/solid fuel HVAC work; required to run an independent contracting business.
Propane and Natural Gas Technician
Covers installing, connecting, and servicing propane or natural gas piping, appliances, venting, and accessories based on specific board endorsements.
Propane and Natural Gas Helper
Required for entry-level workers to safely assist a licensed gas technician on-site while earning necessary field hours toward a technical license.
Limited Tank Installer
Covers installing outside residential heating oil storage tanks; requires holding a manufactured housing license and completing a short state training course.
Requirements Overview
Requirements may vary by license type
- Complete approved training, if required
- Gain required licensed experience
- Meet prerequisite license requirements
- Pass applicable trade exams
- Submit required experience affidavits
- Complete criminal background check
- Submit state application
- Pay all required state fees
- Obtain EPA 608, if applicable
Cost & Timeline Overview
Cost and timeline may vary by license type
$60 - $350
Estimated Cost Estimated upfront licensing costs
4 - 6 weeks
Estimated Timeline Typical time to complete licensing
Every 2 Years
Renewal Cycle How often renewal is required
0 Hours
Continued Education Ongoing education to maintain licensure
Average Salary & Wages for HVAC Tech in Maine
Based on the latest data from the U.S. Bureau of Labor Statistics and industry reports.
$65,300
Avg. Annual Salary Average yearly earnings for an HVAC technician
$82,100+
Top Earners' Salary Potential earnings for the top 10% of HVAC techs in the field
190+
Job Openings / Year Current HVAC hiring demand based on active job listings
HVAC Technician Salary by Experience
Top HVAC Training Programs & Schools
Reciprocity
Out-of-State Reciprocity
Maine offers no direct HVAC/fuel license reciprocity. Out-of-state techs must submit proof of comparable experience to the Fuel Board.
Local Permits & Rules
Cities and counties may have additional permit requirements.
Common Mistakes
- Applying for new licenses to add endorsements
- Forgetting to submit signed work experience affidavits
- Performing gas installations without proper license endorsements
- Failing to report system code violations in writing
- Letting apprentice licenses lapse past ninety days

