Licensed Warm-Air Heating, Ventilating and Air-Conditioning Contractors in California
7,205 active CSLB-licensed contractors
About this license
A C-20 license authorizes installation, maintenance, and service of warm-air heating, ventilating, and air-conditioning systems, including ductwork, refrigerant lines, and related controls.
CSLB requirements: Applicants must document four years of journeyman HVAC experience, pass the CSLB Law and Business exam and the C-20 trade exam, maintain a $25,000 contractor's bond, and carry workers' compensation coverage when employees are on payroll.
Active contractors
Showing 100 of 7,205 active records
Data source
Data sourced from the California Contractors State License Board (CSLB). Verify directly at cslb.ca.gov ↗
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