Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors (HVACR)
Important COVID-19 Information for Customers
(Updated April 21, 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 per an Executive Order from Governor Larry Hogan. 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.
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
Exam candidates: The testing vendors that administer licensing exams for our boards and commissions have begun reopening Maryland test sites. Check the status of your testing center directly for updated scheduling and exam information. (Updated June 24, 2020)
Learn more about 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 Board
Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors
500 North Calvert Street, Room 481
Baltimore, Maryland 21202-3651