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Licensed HVAC Contractors in Antioch, California

Updated November 1, 2026 from CSLB's public license file · C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor

  • 39licensed HVAC contractors
  • 37active (Clear)
  • 5.1%with a suspension
  • 0%workers' comp exempt
  • 9.5 yrsmedian time licensed
  • 46.2%corp / LLC / partnership (53.8% sole owner)
  • 5new in the last 12 months
  • —change tracking began November 1, 2026

CSLB's public data lists 39 HVAC contractors with a mailing address in Antioch, and 37 of them (94.9%) show a Clear primary status.

The share with a suspension, 5.1%, is 1.9 points higher than the Contra Costa County rate for the same license (3.2%). About 0% report a workers' comp exemption, roughly the statewide norm for HVAC contractors.

Experience varies: 46.2% have been licensed 10+ years and 5 are new this year (median 9.5 years, vs 11.6 statewide).

In California this work generally calls for the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor license (or a B license when it is part of a larger multi-trade job). See the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor guide for what the license covers.

How to check a HVAC contractor's license in Antioch

  1. Open the HVAC contractor's profile from the table below (or search Antioch listings by name). Check that C-20 appears among its classifications and that the primary status reads Clear. What C-20 covers.
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed HVAC contractor is required by law. See the $1,000 rule.

All 39 HVAC contractors in Antioch

Antioch HVAC contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed HVAC contractors in Antioch
Business nameLicense #StatusYearsWorkers' compBond
Mas Service 498289 Clear 40 Insured On file
Sensley's Refrigeration 568095 Clear 37 Insured On file
Integrity Air Conditioning and Heating 700564 Clear 31 Insured On file
N K Heating & Air Conditioning INC 786063 Clear 26 Insured On file
Jet - HVAC 809173 Clear 24 Insured On file
Diablo Valley Heating & Air Conditioning 810526 Clear 24 Insured On file
Tri-City Heating & Air-Conditioning INC 813490 Clear 24 Insured On file
Cooler Solutions INC 832874 Clear 22 Insured On file
Tyndall H V A C INC 834929 Clear 22 Insured On file
Blue Star Heating & Air Conditioning INC 880647 Clear 20 Insured On file
California Heating and Cooling INC 890699 Clear 19 Insured On file
Airgonomics Heating & Cooling LLC 928654 Clear 17 Insured On file
Ynot Heating and Air 940610 Clear 16 Insured On file
In Demand Plumbing Heating & Air INC 943549 Clear 16 Insured On file
Del Monte Mechanical INC 950940 Clear 16 Insured On file
Councell Heating and Air 965139 Clear 15 Insured On file
HVAC Replacement Services 1006208 Clear 11 Insured On file
Perfect Star Heating Cooling & Electrical 1022101 Clear 9 Insured On file
Alfa Heating and Cooling 1026386 Clear 9 Insured On file
Asm Mechanical Services 1051854 Clear 7 Insured On file
Phillips Mechanical INC 1053355 Clear 7 Insured On file
Keeney H V A C 1056961 Clear 7 Insured On file
Mdb Same Day HVAC INC 1057681 Clear 7 Insured On file
All Star HVAC 1076138 Clear 5 Insured On file
Cozy Conditions HVAC 1089557 Clear 4 Insured On file
Gonzalez Heating & AC 1094775 Clear 4 Insured On file
Complete HVAC Systems INC 1102530 Clear 3 Insured On file
Breeze Heating & Cooling 1122479 Clear 2 Insured On file
Kz Heating and Air Conditioning 1125064 Clear 2 Insured On file
Hi-Tech Heating and Cooling 1139279 Clear 1 Insured On file
Palma Super Cold HVAC 1138662 Clear 1 Insured On file
Majestic Mechanical 1143750 Clear 1 Insured On file
Genxpro Heating & Air Conditioning INC 1146313 Clear 1 Insured On file
All Air Heating and Cooling 1156365 Clear <1 Insured On file
B Cool Express Heating & Air Conditioning 1156020 Clear <1 Insured On file
Precision Air Solutions LLC 1159463 Clear <1 Insured On file
Empire Mechanical HVAC 1162149 Clear <1 Insured On file
S S Heating & Air 817318 Susp: workers' compensation 23 None On file
All Preventative Measures In HVAC 1138417 Susp: workers' compensation 1 None On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed HVAC contractors are in Antioch?

CSLB's current public file lists 39 HVAC contractors with a Antioch mailing address. 37 have a Clear status, and 92.3% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a HVAC contractor need in California?

CSLB issues the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor classification for this work. In Contra Costa County, 94.9% of Antioch's holders are Clear right now. The license requirement starts at $1,000 per job (the minor-work rule).

How do I check a HVAC contractor's workers' comp?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Antioch, 94.9% of HVAC contractors list a policy, 0% claim an exemption and 5.1% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

Related

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Guides