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Licensed HVAC contractors in Millbrae
7 contractors with a Millbrae 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. 7 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 Millbrae 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 →
Ad space · openAdvertise here
A Featured spot on this hvac page for Millbrae 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 7 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–7.
AMERICAN CONSTRUCTION & TRADE SPECIALISTS INC
C-20 · also B, C-10, C-16, C-36 · Lic. #1148854 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
C & C GENERAL ENGINEERING INC
C-20 · also A, B, C-10, C-16… · Lic. #784535 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GENUINE CONSTRUCTION INC
C-20 · also B, C-10, C-36 · Lic. #913541 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KELS HEATING AND COOLING
C-20 · Lic. #1095352 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PENERGY ENGINEERING
C-20 · Lic. #866729 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RADIANT CONSTRUCTION
C-20 · also B, C-7, C-10, C-36 · Lic. #900155 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
THOREN CONSTRUCTION INC
C-20 · also B, C-10, C-12, C-36 · Lic. #1110508 · Millbrae 94030
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026