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Persons Permitted or Required to Obtain a Mechanical Permit

An individual licensed by the Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors is subject to the following limitations:
1. An individual owner of a single-family dwelling while that owner is practicing heating, ventilation, air-conditioning, or refrigeration services on or within a building or structure owned by the individual.
2. An individual who is building a single-family dwelling in which that individual will reside while practicing heating, ventilation, air-conditioning or refrigeration services on or within that dwelling.
3. An employee of a public utility company regulated by the Public Service Commission, when engaged in: the development, construction, maintenance or repair of electric or gas facilities located in the State or the construction, maintenance, or repair of electric or gas appliances in the service area of the public utility.
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To speak with a Customer Service Representative, please call 311 during business hours.