HVAC Technician License Requirements in Maryland
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Maryland Department of Labor – Division of Occupational and Professional Licensing
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
HVAC JourneymanHVAC MasterHVAC Contractor
Reciprocity states
None listed
Notes
Maryland Division of Occupational and Professional Licensing under the Department of Labor licenses HVAC journeymen, masters, and contractors. Journeyman requires 4 years of experience or completion of an apprenticeship program. Master requires journeyman license plus 2 additional years. Exams administered by PSI.