Construction
HVAC License
28 states

HVAC License Requirements by State

Each state sets its own classes, experience requirements and exams. Pick your state for the full guide: requirements, exams, costs, reciprocity and renewal.

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HVAC licenses by state

State	License classes	Exam vendor	Guide
Alabama	Certified Heating and Air Conditioning Contractor, Certified Refrigeration Contractor	Prov	View guide
Alaska	Residential HVAC Mechanical Administrator, Unlimited HVAC and Sheet Metal Mechanical Administrator	PSI	View guide
Arizona	Residential Air Conditioning & Refrigeration, Commercial Air Conditioning & Refrigeration, Dual Air Conditioning & Refrigeration, Comfort Heating, Ventilating, Evaporative Cooling and 2 more	PSI	View guide
Arkansas	Unlimited, Limited HVACR, Sheet Metal, Refrigeration and 1 more	Prov	View guide
California	Boiler, Hot-Water Heating & Steam Fitting	Not stated	View guide
Connecticut	Unlimited Heating, Piping & Cooling, Limited Heating & Cooling, Limited Heating, Limited Heating, Hot Water & Steam and 1 more	PSI	View guide
Delaware	Master HVACR, Master HVACR Restricted, Journey HVACR	Prov	View guide
District of Columbia	Journeyman Refrigeration & Air Conditioning Mechanic, Master Refrigeration & Air Conditioning Mechanic	PSI	View guide
Hawaii	Ventilating & Air Conditioning Contractor, Refrigeration Contractor	PSI	View guide
Idaho	Journeyman HVAC, HVAC Contractor	PSI	View guide
Iowa	Journeyperson HVAC/Refrigeration, Master HVAC/Refrigeration, Journeyperson Mechanical, Master Mechanical and 1 more	Kirkwood Community College	View guide
Kansas	Journeyman Mechanical, Master Mechanical, Mechanical Contractor	Pearson VUE (ICC)	View guide
Kentucky	Journeyman HVAC Mechanic, Master HVAC Contractor	Prov or Pearson VUE	View guide
Maryland	HVACR Apprentice, Journeyman HVACR, Master HVACR Contractor	PSI	View guide
Michigan	HVACR Equipment, Limited or Unlimited Service	PSI	View guide
Mississippi	HVAC, Residential HVAC, Refrigeration	PSI	View guide
New Jersey	Master HVACR Contractor	PSI	View guide
New Mexico	Heat, Vent and Air Conditioning, Heat, Cooling and Process Pipe, Combined Mechanical	PSI	View guide
North Carolina	Heating Group 1 Contractor, Class 1, Heating Group 1 Contractor, Class 2, Heating Group 1 Technician, Heating Group 2 Contractor and 4 more	PSI	View guide
Oklahoma	HVAC/R Unlimited Journeyman, HVAC/R Limited Journeyman, Refrigeration Journeyman, Refrigeration Contractor	PSI	View guide
Pennsylvania	HVAC Contractor	Pearson VUE (ICC)	View guide
Rhode Island	Journeyperson Heating & Air Conditioning Mechanic, Master Heating & Air Conditioning Mechanic	State-administered	View guide
South Carolina	Residential HVAC Contractor	PSI	View guide
Texas	Class A Contractor, Class B Contractor, Environmental Air Conditioning, Commercial Refrigeration & Process Cooling or Heating and 1 more	PSI	View guide
Virginia	Residential HVAC Tradesman, Journeyman HVAC Tradesman, Master HVAC Tradesman, HVAC Contractor	PSI	View guide
Washington	HVAC/R specialty electrician, Electrical trainee	PSI	View guide
West Virginia	HVAC Residential Technician, HVAC Technician	Prov	View guide
Wisconsin	HVAC Qualifier, HVAC Contractor	Pearson VUE (computer) or DSPS (paper)	View guide

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