California › Contra Costa County › HVAC › Antioch
Licensed HVAC contractors in Antioch
37 contractors with a Antioch 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. 36 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 Antioch 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 37 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–37. AIRGONOMICS HEATING & COOLING LLC
C-20 · also C-38 · Lic. #928654 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALFA HEATING AND COOLING
C-20 · Lic. #1026386 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL AIR HEATING AND COOLING
C-20 · Lic. #1156365 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL STAR HVAC
C-20 · Lic. #1076138 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASM MECHANICAL SERVICES
C-20 · Lic. #1051854 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B COOL EXPRESS HEATING & AIR CONDITIONING
C-20 · Lic. #1156020 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BLUE STAR HEATING & AIR CONDITIONING INC
C-20 · Lic. #880647 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BREEZE HEATING & COOLING
C-20 · Lic. #1122479 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CALIFORNIA HEATING AND COOLING INC
C-20 · Lic. #890699 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMPLETE HVAC SYSTEMS INC
C-20 · Lic. #1102530 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COOLER SOLUTIONS INC
C-20 · Lic. #832874 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COUNCELL HEATING AND AIR
C-20 · Lic. #965139 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COZY CONDITIONS HVAC
C-20 · Lic. #1089557 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DEL MONTE MECHANICAL INC
C-20 · Lic. #950940 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DIABLO VALLEY HEATING & AIR CONDITIONING
C-20 · Lic. #810526 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EMPIRE MECHANICAL HVAC
C-20 · Lic. #1162149 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GENXPRO HEATING & AIR CONDITIONING INC
C-20 · Lic. #1146313 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GONZALEZ HEATING & AC
C-20 · Lic. #1094775 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HI-TECH HEATING AND COOLING
C-20 · Lic. #1139279 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC REPLACEMENT SERVICES
C-20 · Lic. #1006208 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
IN DEMAND PLUMBING HEATING & AIR INC
C-20 · also C-34, C-36, C-42 · Lic. #943549 · Antioch 94509
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
INTEGRITY AIR CONDITIONING AND HEATING
C-20 · Lic. #700564 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JB MECHANICAL INC DBA MAS SERVICE
C-20 · also C-38 · Lic. #498289 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JET - HVAC
C-20 · Lic. #809173 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KEENEY H V A C
C-20 · Lic. #1056961 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KZ HEATING AND AIR CONDITIONING
C-20 · Lic. #1125064 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAJESTIC MECHANICAL
C-20 · also C-10 · Lic. #1143750 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MDB SAME DAY HVAC INC
C-20 · Lic. #1057681 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
N K HEATING & AIR CONDITIONING INC
C-20 · Lic. #786063 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PALMA SUPER COLD HVAC
C-20 · Lic. #1138662 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PERFECT STAR HEATING COOLING & ELECTRICAL
C-20 · also C-10 · Lic. #1022101 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PHILLIPS MECHANICAL INC
C-20 · Lic. #1053355 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PRECISION AIR SOLUTIONS LLC
C-20 · Lic. #1159463 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SENSLEY'S REFRIGERATION
C-20 · also C-38 · Lic. #568095 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRI-CITY HEATING & AIR-CONDITIONING INC
C-20 · Lic. #813490 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TYNDALL HVAC INC
C-20 · Lic. #834929 · Antioch 94531
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
YNOT HEATING AND AIR
C-20 · Lic. #940610 · Antioch 94509
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026