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Licensed HVAC contractors in National City
17 contractors with a National City 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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Ad space · openAdvertise here
A Featured spot on this hvac page for National City 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. 1ST RESPONSE PLUMBING & FLOOD DAMAGE
C-20 · also B, C-36 · Lic. #1063131 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIRCON CLIMATE SOLUTIONS INC
C-20 · Lic. #1161928 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALEJANDRO JESUS SANCHEZ
C-20 · also C-36 · Lic. #863203 · National City 92951
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL STAR A / C
C-20 · Lic. #943414 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BLU HEATING AND AIR
C-20 · Lic. #1000747 · National City 91950
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
CHILL GUY HEATING AND COOLING
C-20 · Lic. #1134300 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DLG HEATING & AIR CONDITIONING CORP
C-20 · Lic. #1058447 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EFFICIENT AIR SYSTEMS INC
C-20 · Lic. #960009 · National City 92150
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEATING & COOLING AID
C-20 · Lic. #1055558 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MNDZ HVAC
C-20 · Lic. #1141927 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OASIS PLUMBING & HEATING
C-20 · also B, C-36 · Lic. #796018 · National City 91950
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
ON TARGET HEATING & COOLING INC
C-20 · also C-38 · Lic. #1020436 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PLUMBERS HEADQUARTERS
C-20 · also B, C-36 · Lic. #899046 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SLOAN BROTHERS INC DBA SOUTH BAY MECHANICAL SERVICES
C-20 · Lic. #901161 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEST POINT MECHANICAL INC
C-20 · also B, C-4, C-36 · Lic. #971490 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEST POINT SPECIALTIES CONTRACTING INC
C-20 · also B, C-4, C-10, C-36 · Lic. #1072939 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZRO MECHANICAL INC
C-20 · Lic. #1104873 · National City 91950
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026