HVAC Technician License Requirements in South Carolina
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: South Carolina Department of Labor, Licensing and Regulation – Contractors Licensing Board
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Residential HVAC Specialty ContractorCommercial HVAC Mechanical Contractor – Class 1Commercial HVAC Mechanical Contractor – Class 2Commercial HVAC Mechanical Contractor – Class 3
Reciprocity states
None listed
Notes
South Carolina LLR Contractors Licensing Board licenses HVAC contractors under residential specialty and commercial mechanical classifications. Class 1, 2, and 3 vary by system capacity and project scope. Individual technicians are not separately licensed at state level. PSI administers exams. Verify current requirements.