Limited state licensing

Massachusetts HVAC Licensing and Local Requirements Guide

Limited state licensing

Check the rules for this work

Massachusetts provides separate refrigeration apprentice, technician and contractor licenses through its occupational licensing services.

This route covers refrigeration credentials. Match the equipment and work to the applicable credential; it does not establish one general HVAC license covering every heating or cooling task.

Check which state license applies ↗

Official source: www.mass.gov. Retrieved 2026-09-05.

State License Lookup

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We do not store or publish licensee records. Information here may be incomplete or out of date, so always confirm requirements with the licensing authority.

Latest source retrieval: 2026-09-05.