HVAC License Requirements by State
Across the 50 states and DC, 16 license HVAC technicians statewide, 4 license only part of HVAC work, 18 license only HVAC contractors and 13 leave HVAC licensing to cities and counties.
Across the 50 states and DC, 16 license HVAC technicians statewide, 4 license only part of HVAC work, 18 license only HVAC contractors and 13 leave HVAC licensing to cities and counties.