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Licensed HVAC Contractors in San Diego, California

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

  • 250licensed HVAC contractors
  • 238active (Clear)
  • 4.8%with a suspension
  • 0%workers' comp exempt
  • 10 yrsmedian time licensed
  • 73.6%corp / LLC / partnership (26.4% sole owner)
  • 24new in the last 12 months
  • —change tracking began November 1, 2026

San Diego is home to 250 HVAC contractors in CSLB's license file, ranking #1 of 14 San Diego County cities for this trade. 95.2% are Clear.

About 0% report a workers' comp exemption, roughly the statewide norm for HVAC contractors. The share with a suspension (4.8%) is close to the San Diego County rate for the same license (5%).

The median HVAC contractor here has held a license for 10 years (less than the statewide median of 11.6), and 24 licenses were issued in the last 12 months.

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 San Diego

  1. Open the HVAC contractor's profile from the table below (or search San Diego listings by name). Check that C-20 appears among its classifications and that the primary status reads Clear. What C-20 covers.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 4.8% of San Diego listings here already show a suspension.
  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.

50 of 250 HVAC contractors in San Diego

San Diego 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 San Diego
Business nameLicense #StatusYearsWorkers' compBond
Western Environmental Systems Company 26814 Clear 95 Insured On file
A O Reed & CO LLC 7731 Clear 95 Insured On file
Cass Plumbing & Heating 140162 Clear 73 Insured On file
Jackson & Blanc 188961 Clear 66 Insured On file
Eco Services 290497 Clear 52 Insured On file
Strong Construction CO INC 292431 Clear 52 Insured On file
Telliard Construction 292472 Clear 52 Insured On file
United Electric Plumbing Heating & Air 321580 Clear 50 Insured On file
County Burner and Machinery Corp 324821 Clear 50 Insured On file
Bob Jenson Air Conditioning INC 340838 Clear 49 Insured On file
Ideal Plumbing Heating Air Electrical INC 348810 Clear 48 Insured On file
G/K Plumbing & Heating INC 404093 Clear 45 Insured On file
Greater San Diego Air Conditioning CO INC 437153 Clear 43 Insured On file
Wunch Mark A General Contractor 453141 Clear 42 Insured On file
Merrick & Associates INC 454270 Clear 42 Insured On file
Merz Construction INC 477564 Clear 41 Insured On file
The White Glove Guys, Plumbing Drains Heating Air Conditioning 513115 Clear 39 Insured On file
Casablanca Heating & Air Conditioning INC 526487 Clear 38 Insured On file
Collins Pacific Plumbing INC 567701 Clear 37 Insured On file
Smith Air Conditioning 571419 Clear 37 Insured On file
Indoor Comfort Store 591372 Clear 36 Insured On file
Longs Hvacr 591530 Clear 36 Insured On file
Air Plus Heating & Cooling 616223 Clear 35 Insured On file
3 - D Enterprises Incorporated 621125 Clear 35 Insured On file
Atlas Mechanical INC 622960 Clear 35 Insured On file
Communication Wiring Specialists INC 623901 Clear 35 Insured On file
Thermodynamic Heating & Air Conditioning INC 668669 Clear 33 Insured On file
Superior Air INC 669421 Clear 33 Insured On file
Extreme Air 681131 Clear 32 Insured On file
Envirotech INC 684671 Clear 32 Insured On file
Sam's Heating and Air Conditioning INC 686398 Clear 32 Insured On file
National Air & Energy 706889 Clear 31 Insured On file
Alltech Solar INC 713479 Clear 31 Insured On file
III In I Construction INC 718925 Clear 30 Insured On file
Tha Heating Air & Plumbing 732419 Clear 29 Insured On file
Biosources INC 737988 Clear 29 Insured On file
Cal - Cool Mechanical 741451 Clear 29 Insured On file
Harbor Air Conditioning & Heating 744993 Clear 28 Insured On file
Wrights Heating and Air 767590 Clear 27 Insured On file
Unimaster INC 811004 Clear 24 Insured On file
Q E Construction INC 811510 Clear 24 Insured On file
Pacific Rim Mechanical Contractors INC 814462 Clear 24 Insured On file
Custom Heating and Air INC 819484 Clear 23 Insured On file
C & S D Construction INC 820013 Clear 23 Insured On file
Just Call Paul Home Repair and AC Service 820973 Clear 23 Insured On file
Becerra's HVAC LLC 822554 Clear 23 Insured On file
Dre's Heating & A / C 826794 Clear 23 Insured On file
Fahrenheit Design INC 826625 Clear 23 Insured On file
Ortega Eddie Global Development 827571 Clear 23 Insured On file
Apex Mechanical Systems INC 831345 Clear 22 Insured On file

See all 250 HVAC contractors in San Diego

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 San Diego?

CSLB's current public file lists 250 HVAC contractors with a San Diego mailing address. 238 have a Clear status, and 87.2% 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 San Diego County, 95.2% of San Diego'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?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among San Diego HVAC contractors, 0% are exempt (no employees), 97.6% insured and 2.4% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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Guides