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Contact Us - Heating, Ventilation, Air Conditioning and Refrigeration Contractors

Contact the Board Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors
500 North Calvert Street
Baltimore, Maryland 21202-3651
410-230-6231
Fax: 410-244-0977
Dial 7-1-1 to place a call through Maryland Relay
e-mail: DLOPLHVACR_DLLR@maryland.gov

GENERAL INFORMATION 410-230-6231
Walk-in assistance available 8:30 a.m. to 4:30 p.m. Monday-Friday

For more information, contact the Board: