HVAC Technician License Requirements in Wisconsin
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Wisconsin Department of Safety and Professional Services
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Dwelling Contractor Qualifier – HVACHVAC Contractor (Commercial)
Reciprocity states
None listed
Notes
Wisconsin DSPS requires HVAC contractors to hold a Dwelling Contractor Qualifier credential for residential work. Commercial HVAC work requires separate contractor licensing. Individual technicians are not separately licensed at the state level, but contractors must have a qualified person. PSI administers exams. Verify current requirements with DSPS.