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Licensed HVAC contractors in Clayton
8 contractors with a Clayton mailing address hold an active (CLEAR) CSLB C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) license in CSLB's license file dated Oct 20, 2026. 8 of them show a workers' comp policy on file. Get quotes from up to 3 of them →
Heating and air conditioning work calls for a C-20 license. CSLB requires C-20 licensees to carry workers' compensation even if they have no employees, so check that a policy is on file.
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A Featured spot on this hvac page for Clayton is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
All 8 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–8. 411 HEATING & AC LLC
C-20 · Lic. #993500 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
APODACA MECHANICAL
C-20 · Lic. #765801 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARIEL HVAC SOLUTIONS INC
C-20 · Lic. #1085951 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CHRISTIAN HVAC
C-20 · also B, C-2 · Lic. #1029082 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLAYTON BROTHERS HEATING AND AIR INC
C-20 · Lic. #838282 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLAYTON VALLEY MECHANICAL HEATING AND AIR CONDITIONING
C-20 · also C-38 · Lic. #507324 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ENERGY SOLUTIONS CORP INC
C-20 · also B, C-10, C-46 · Lic. #1158542 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
POLAR AIR SERVICES
C-20 · Lic. #974017 · Clayton 94517
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending