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The Maryland HVAC-R Technician Guide

Maryland requires an HVAC-R license issued by the State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors. Apprentices must be licensed, cannot work alone, and must be supervised on-site by a Master or Journey licensee. A journeyman license requires four years as a licensed apprentice with at least 6,000 hours of supervised training and passing an exam with a 70% score.

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What's inside

Who licenses the work

Maryland requires an HVAC-R license issued by the State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors. Apprentices must be licensed, cannot work alone, and must be supervised on-site by a Master...

Hours, exam, and eligibility rules

1. All individuals providing HVAC-R services in Maryland must hold a license from the state board. 2. Apprentices must be licensed and supervised on the jobsite by a licensed Master or Journey individual. 3. Apprentices are...

Apprenticeship authority in Maryland

Registered apprenticeship oversight in Maryland runs through Maryland Apprenticeship and Training Council (https://www.labor.maryland.gov/employment/appr/apprcouncil.shtml).

Additional state context

The Maryland Apprenticeship and Training Council registers apprenticeship standards and determines which trades are apprenticeable.

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Original source-backed sections

Maryland licensing authority for Hvac R Technician

Maryland requires an HVAC-R license issued by the State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors. Apprentices must be licensed, cannot work alone, and must be supervised on-site by a Master or Journey licensee. A journeyman license requires four years as a licensed apprentice with at least 6,000 hours of supervised training and passing an exam with a 70% score.

Licensing rules and hour requirements

1. All individuals providing HVAC-R services in Maryland must hold a license from the state board. (Source: https://www.labor.maryland.gov/license/hvacr/hvacrnolic.shtml; verbatim: “All individuals providing heating, ventilation, air conditioning and refrigeration services in the State of Maryland”)

2. Apprentices must be licensed and supervised on the jobsite by a licensed Master or Journey individual. (Source: https://www.labor.maryland.gov/license/hvacr/hvacrnolic.shtml; verbatim: “Apprentices must be licensed, supervised and be under the control of a licensed Master or Journey licensed individual who is present on the jobsite.”)

3. Apprentices are prohibited from performing HVAC-R work alone or contracting for services. (Source: https://www.labor.maryland.gov/license/hvacr/hvacrnolic.shtml; verbatim: “Apprentices are not permitted to perform any HVACR work alone or to enter into contracts to perform such services.”)

4. A journeyman license requires at least four years as a licensed apprentice and 6,000 hours of training under a licensed contractor. (Source: https://www.labor.maryland.gov/license/hvacr/hvacrlicreq.shtml; verbatim: “Must have been licensed as an apprentice for at least four years and during that period must have completed at least 6,000 hours of training in providing HVACR services under the direction and control of a licensed HVACR contractor;”)

5. A journeyman applicant must pass an examination with a minimum score of 70%. (Source: https://www.labor.maryland.gov/license/hvacr/hvacrlicreq.shtml; verbatim: “Pass the journeyman examination with a score of 70%;”)

Apprenticeship authority in Maryland

Registered apprenticeship oversight in Maryland runs through Maryland Apprenticeship and Training Council (https://www.labor.maryland.gov/employment/appr/apprcouncil.shtml).

Additional state context

The Maryland Apprenticeship and Training Council registers apprenticeship standards and determines which trades are apprenticeable.

Claim map and source URLs

licensing-rules (5)
  • All individuals providing HVAC-R services in Maryland must hold a license from the state board.

    tier1 Sources
  • Apprentices must be licensed and supervised on the jobsite by a licensed Master or Journey individual.

    tier1 Sources
  • Apprentices are prohibited from performing HVAC-R work alone or contracting for services.

    tier1 Sources
  • A journeyman license requires at least four years as a licensed apprentice and 6,000 hours of training under a licensed contractor.

    tier1 Sources
  • A journeyman applicant must pass an examination with a minimum score of 70%.

    tier1 Sources
additional-state-context (1)
  • The Maryland Apprenticeship and Training Council registers apprenticeship standards and determines which trades are apprenticeable.

    tier1 Sources
en:state:hvac-r-technician:maryland

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