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State Requirements

HVAC License Requirements
in Maine

Everything you need to know about HVAC licensing in Maine — from required certifications and exams to experience thresholds and application steps.

No State License RequiredEPA 608 Required

Key Takeaways

Maine does not require a statewide HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Local permits or registration may still apply.

  • State license: Not required statewide
  • EPA 608 certification: Required (federal)
  • Regulated by: Maine Department of Professional and Financial Regulation
Regulatory Authority
Regulatory Body
Maine Department of Professional and Financial Regulation
Visit Official Website →
Additional Notes
Maine does not require a statewide HVAC license. Oil and solid-fuel technicians must be licensed. Local jurisdictions may require permits for mechanical work.
Data source: Licensing requirements sourced from official state regulatory body publications and verified against ACCA (Air Conditioning Contractors of America) state licensing guides. EPA Section 608 requirements per 40 CFR Part 82. Last verified: June 2026. Licensing rules change — always confirm requirements directly with Maine Department of Professional and Financial Regulation before applying.
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