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Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors (HVACR)

Important COVID-19 Information for Customers
(Updated March 27, 2020)

The offices of the Maryland Board of Heating, Ventilation, Air Conditioning, and Refrigeration (HVACR) Contractors currently have limited access to the public. Please be patient with us, as it may take longer than usual to respond to voicemails and e-mails. E-mails are preferable to phone calls at this time. We can be reached using our contacts page for telephone numbers and e-mail addresses of individual staff members, or you may send your concerns to our general e-mail address and your message will be routed to the appropriate person.

It is important to note that all license expiration dates have been temporarily extended to May 1, per an Executive Order from Governor Larry Hogan. This is subject to being extended as the response to the coronavirus develops. You are encouraged to continue renewing your licenses online, and performing all other activities that are required for your license to the extent that you are able.

Coronavirus/COVID-19 Information
Coronavirus/COVID-19 Information

The Maryland Board of Heating, Ventilation, Air Conditioning, and Refrigeration (HVACR) Contractors licenses and regulates individuals who provide commercial and residential HVACR services pursuant to the provisions of Business Regulation Article 9A, Annotated Code of Maryland, and COMAR 09.15. The Board is also authorized to adopt applicable regulations for the provision of HVACR services, including codes and minimum standards for the installation, alteration, remodeling, maintenance and repair of heating, ventilation, air conditioning, and refrigeration systems. The Board investigates complaints against licensees and complaints related to unlicensed practice. The Board may pursue disciplinary charges against an individual for violations of applicable laws or regulations, conduct hearings and, if warranted, impose administrative sanctions including suspension or revocation and/or assess a civil penalty up to $5,000 for each violation of a law and regulation.

News and Updates

New! PSI Examination Services has closed all PSI-owned and operated test centers due to COVID-19. Please see PSI’s notification message to exam candidates including directions on rescheduling exams and updated closure information. (Updated March 20, 2020)

Boiler and Pressure Vessel Safety

Maryland Apprenticeship and Training

Learn more about an easy finance program for energy saving upgrades to homes, apartment properties and businesses.
Learn more about Be SMART, an easy finance program for energy saving upgrades to homes, apartment properties and businesses.

Proposed Regulations Currently Open for Public Comment

To register your comments with the Board, send your letter to the Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors, 500 N. Calvert Street, Room 481, Baltimore, MD 21202; call 410-230-6231; e-mail DLOPLHVACR-LABOR@maryland.gov; or fax 410-244-0977.

Contact the BoardContact the Board
Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors
500 North Calvert Street, Room 481
Baltimore, Maryland 21202-3651
410-230-6196
Fax: 410-244-0977
e-mail: DLOPLHVACR-LABOR@maryland.gov