HVAC Technician License Requirements in Massachusetts
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Massachusetts Board of Sheet Metal Workers
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Refrigeration Technician License – Type IRefrigeration Technician License – Type IISheet Metal JourneymanSheet Metal Master
Reciprocity states
None listed
Notes
Massachusetts licenses HVAC-related work through the Board of Sheet Metal Workers and the Refrigeration Technician licensing program. Refrigeration Technicians Type I and Type II cover different system capacities. Sheet metal journeyman and master licenses are also required for ductwork. PSI administers exams. Verify current requirements with the Board.