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Licensed HVAC contractors in Sunnyvale
17 contractors with a Sunnyvale 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. 17 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 Sunnyvale 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 17 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–17. A & A PLUMBING
C-20 · also C-36 · Lic. #801323 · Sunnyvale 94087
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL APPLIANCE & HVAC SERVICE INC
C-20 · also C-38 · Lic. #977789 · Sunnyvale 94087
Workers' comp policy on file
Active — CSLB flag: renewal received
BACKFLOW PREVENTION SPECIALISTS INC
C-20 · also B, C-16, C-36, C-43 · Lic. #427328 · Sunnyvale 94089
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BALCOM AIR
C-20 · also C-10 · Lic. #1086703 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ENVIRONMENTAL HVAC SOLUTION MECHANICS
C-20 · Lic. #1130301 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GRUMPY'S HVAC
C-20 · Lic. #1079386 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC ALL SEASONS INC
C-20 · Lic. #1147932 · Sunnyvale 94089
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J L KIRK CONSTRUCTION
C-20 · also B · Lic. #751692 · Sunnyvale 94087
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JIM'S AIR CONDITIONING SERVICE
C-20 · also ASB · Lic. #466610 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NOEK HEATING AND AIR INC
C-20 · Lic. #1015931 · Sunnyvale 94089
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NORCAL COMFORT PROS LLC
C-20 · Lic. #930533 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NORTH CAL HEATING AND AIR INC
C-20 · also B · Lic. #917185 · Sunnyvale 94087
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ON N OFF ELECTRIC INC
C-20 · also B, C-10 · Lic. #1113144 · Sunnyvale 94087
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC COAST TRANE CONTROLS
C-20 · also B, C-4, C-10 · Lic. #507151 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC COAST TRANE SERVICE
C-20 · also B, C-4, C-10 · Lic. #465656 · Sunnyvale 94085
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
QUICK HEATING COOLING
C-20 · also C-38 · Lic. #954931 · Sunnyvale 94086
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SPECIALTY A/C PRODUCTS INC
C-20 · Lic. #983118 · Sunnyvale 94085
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026