C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor

12173 licensed Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractors in California

What Does a C-20 License Cover?

Fabricates, installs, maintains, services, and repairs warm-air heating systems and water heating heat pumps, ventilating systems, air-conditioning systems, and the ducts, registers, flues, humidity and thermostatic controls and air filters in connection with these systems. Includes solar-powered HVAC systems.

What This License Does Not Cover

Does not include boiler or steam heating (see C-4) or refrigeration below 50F (see C-38).

California law requires a contractor license for this type of work on projects valued at $500 or more (combined labor and materials). Hiring an unlicensed contractor for work requiring a license may void your consumer protections.

Related Classifications

Hiring a Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor

HVAC systems must meet California Title 24 energy efficiency standards. Before hiring, get a load calculation for your space rather than accepting a rule-of-thumb estimate. Verify the contractor will pull a mechanical permit and that the installation will be inspected.

C-20 Contractors by City

Show all 954 cities (A-Z)

↑ Back to top