HVAC License Requirements by State
Select your state to see the exact licensing, insurance, and bonding requirements you need to legally operate an HVAC business.
Alabama
License: Heating & Air Conditioning Contractor (Active)
Fee: $395 ($175 Exam + $220 License)
Alaska
License: Mechanical Administrator / Mechanical Contractor
Fee: $900 approximate total (Admin: $450, Contractor: $450)
Arizona
License: CR-39 Air Conditioning, Refrigeration and Heating (Dual Specialty)
Fee: $850 total for 2 years (includes $100 App, $380 License, $370 Recovery Fund)
Arkansas
License: HVACR Class A or Class B Contractor
Fee: $200 (Class A) or $150 (Class B)
California
License: C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Fee: $650 ($450 Application + $200 Initial License Fee)
Colorado
License: No State Level License (Local Only)
Fee: Varies by municipality
Connecticut
License: S-1 Unlimited Heating, Piping and Cooling Contractor
Fee: $150 Application Fee + $150 Initial License Fee
Delaware
License: Master HVACR License
Fee: $88 Application Fee
Florida
License: Class A or Class B Air Conditioning Contractor
Fee: $249 (Application and Licensing)
Georgia
License: Conditioned Air Contractor (Class I or Class II)
Fee: $30 Application Fee + $75 License Fee
Hawaii
License: C-52 Ventilating and Air Conditioning Contractor
Fee: $50 Application, variable license fee
Idaho
License: HVAC Contractor
Fee: $35 App + $150 License
Illinois
License: No State Level License (Local Only)
Fee: Varies by municipality
Indiana
License: No State Level License (Local Only)
Fee: Varies by municipality
Iowa
License: Master HVAC/Refrigeration License
Fee: $250 License Fee
Kansas
License: No State Level License (Local Only)
Fee: Varies by municipality
Kentucky
License: Master HVAC Contractor
Fee: $250
Louisiana
License: Mechanical Contractor License
Fee: $100 fee per classification
Maine
License: No Specific General HVAC (Requires Gas/Oil specific licenses)
Fee: Varies by fuel type ($50 - $200)
Maryland
License: Master HVACR Contractor
Fee: $75
Massachusetts
License: Refrigeration Contractor (No blanket HVAC)
Fee: $150
Michigan
License: Mechanical Contractor
Fee: $300
Minnesota
License: Mechanical Bond Registration (Local subset licenses)
Fee: $100 State Registration Fee
Mississippi
License: Commercial / Residential HVAC Contractor
Fee: $200 for Commercial, $50 for Residential
Missouri
License: No State Level License (Local Only)
Fee: Varies by municipality
Montana
License: Construction Contractor Registration
Fee: $70 Registration
Nebraska
License: Contractor Registration (No HVAC specific state license)
Fee: $40 Registration
Nevada
License: C-21 Refrigeration and Air Conditioning Contractor
Fee: $300 Application, $600 biennial license
New Hampshire
License: Gas Fitters License (HVAC generally local)
Fee: Varies
New Jersey
License: Master HVACR Contractor
Fee: $160 Application Fee + Registration Fee
New Mexico
License: MM-3 or MM-9 Air Conditioning / Mechanical
Fee: $30 App + variable license fee
New York
License: No State Level License (Local Only)
Fee: Varies locally
North Carolina
License: Heating Group 1, 2, or 3 Contractor
Fee: $100 Application + $130 License
North Dakota
License: Contractor License (No explicit HVAC trade state level)
Fee: $50-$100 based on class
Ohio
License: HVAC Contractor License (Commercial)
Fee: $25 App + $60 License
Oklahoma
License: Mechanical Contractor License
Fee: $330 Initial Fee
Oregon
License: CCB License with Specialty Endorsement
Fee: $325
Pennsylvania
License: Home Improvement Contractor Registration
Fee: $50
Rhode Island
License: Master Pipefitter/Refrigeration License
Fee: $75
South Carolina
License: Mechanical Contractor (HVAC or Packaged Equipment)
Fee: $175 App + Variable License Fee
South Dakota
License: No State Level License (Local Only)
Fee: Varies by municipality
Tennessee
License: CMC-C HVAC/Refrigeration Classification
Fee: $250
Texas
License: Class A or Class B Air Conditioning and Refrigeration Contractor
Fee: $115
Utah
License: S350 HVAC Contractor
Fee: $210 App
Vermont
License: No Specific General HVAC (Requires Plumbing/Electrical locally)
Fee: Varies
Virginia
License: Master Tradesman HVAC License & Contractor License (A, B, C)
Fee: $130 for Master License
Washington
License: Specialty Contractor Registration
Fee: $124
West Virginia
License: HVAC Technician Certification
Fee: $75
Wisconsin
License: HVAC Qualifier Certification
Fee: $15 App + $60 License
Wyoming
License: No State Level License (Local Only)
Fee: Varies locally