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Licensed HVAC contractors in Oak Hills
15 contractors with a Oak Hills 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. 15 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 Oak Hills 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 15 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–15. AACE'S HEATING AIR CONDITIONING & SWAMP COOLERS
C-20 · Lic. #918978 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AACES HEATING AIR CONDITIONING AND SWAMP COOLERS
C-20 · Lic. #1100622 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CRESTLINE REFRIGERATION
C-20 · also C-38 · Lic. #923343 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EASY MAINTENANCE SOLUTIONS INC
C-20 · Lic. #966299 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GENTECH COMFORT SOLUTIONS INC
C-20 · Lic. #1148855 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HL AIR CONDITIONING INC
C-20 · Lic. #1038593 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INNOVATIVE MECHANICAL SERVICES INC
C-20 · also B, D-21, D-64 · Lic. #810868 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JC ENERGY SOLUTIONS INC
C-20 · also B · Lic. #998538 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PAX REFRIGERATION & AIR CONDITIONING
C-20 · Lic. #1116876 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RAD HVAC INC
C-20 · Lic. #1143426 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RAFAEL'S APPLIANCES AIR CONDITIONING AND HEATING SYSTEMS
C-20 · Lic. #936041 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SOUTHLAND MECHANICAL INC
C-20 · also C-38 · Lic. #917453 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TOP NOTCH HEATING AND A/C
C-20 · Lic. #889523 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
VAXS A/C & HEAT
C-20 · Lic. #1036101 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
XTREME AIR TECHNOLOGIES INC
C-20 · Lic. #878051 · Oak Hills 92344
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026