How to get a HVAC license in California
The full California hvac licensing path — experience hours, required exam, fees, and where to apply. Verified 5/26/2026.
Career prep, not a license.
Prep for the California HVAC exam
HVAC 101 — Start Here (Free) — self-paced lessons, practice exam, certificate of completion.
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor License
Frequently asked questions
How do I get a hvac license in California?
You need 4 years (8,000 hours) journey-level hvac experience within the last 10 years. Then pass the Law & Business Exam + C-20 Trade Exam administered by PSI Services. Applications go through the California Contractors State License Board (CSLB).
What exam do I need to pass?
Law & Business Exam + C-20 Trade Exam — administered by PSI Services.
How much experience do I need?
4 years (8,000 hours) journey-level HVAC experience within the last 10 years
What about fees, insurance, and continuing education?
Application fee: $450. EPA 608 certification required for refrigerant handling. C-38 (Refrigeration) is separate. Contractor bond $25,000. Renewal every 2 years. No state CE mandated. CA Title 24 compliance knowledge expected.
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