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Licensed HVAC contractors in Fremont
24 contractors with a Fremont 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. 24 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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Ad space · openAdvertise here
A Featured spot on this hvac page for Fremont 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 24 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–24. A H CONSTRUCTION
C-20 · also B · Lic. #566329 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A SANCHEZ MECHANICAL
C-20 · also C-38 · Lic. #798316 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIRCAL HEATING
C-20 · Lic. #723257 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIRICE HVAC SERVICES
C-20 · Lic. #954031 · Fremont 94536
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL BAY CONTRACTORS INC
C-20 · also B, C-9, C-10, C-15 · Lic. #764575 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AME MECHANICAL INC
C-20 · also C-38 · Lic. #973132 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AMOR PLUMBING
C-20 · also C-4, C-36 · Lic. #972156 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
C S L CONSTRUCTION INC
C-20 · also B · Lic. #1004724 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GIANT H V A C INC
C-20 · Lic. #1044940 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEATING AND AIR EXPERTS LLC
C-20 · also D-28 · Lic. #1111796 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HECTOR LOPEZ
C-20 · Lic. #929383 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
IMPULSE PRO
C-20 · Lic. #1082988 · Fremont 94555
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INFINITY MECHANICAL INC
C-20 · also C-4, C-38 · Lic. #1067088 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J F K BUILDERS
C-20 · also B · Lic. #744983 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J&M HEATING & COOLING LLC
C-20 · Lic. #1127824 · Fremont 94536
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC BREEZE MECHANICAL
C-20 · Lic. #955976 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
QIANG HVAC SERVICE
C-20 · Lic. #1122339 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
R C'S MECHANICAL SERVICES
C-20 · also C-38 · Lic. #724430 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
R J HEATING & AIR CONDITIONING
C-20 · also B · Lic. #619678 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SERVICE RESCUE INC
C-20 · also C-36, C-42 · Lic. #1082095 · Fremont 94538
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
SKYBLUE HEATING & AIR CONDITIONING INC
C-20 · also C-10 · Lic. #948387 · Fremont 94555
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TESLA CONSTRUCTION INC
C-20 · also A, B, C-10, C-16 · Lic. #1127593 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TOTO HEATING AND COOLING
C-20 · Lic. #1146057 · Fremont 94539
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
UTMATE POWERS INC
C-20 · also B, C-10 · Lic. #1143603 · Fremont 94538
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026