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Licensed HVAC Contractors in San Francisco, California

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

  • 101licensed HVAC contractors
  • 98active (Clear)
  • 3%with a suspension
  • 1%workers' comp exempt
  • 14.8 yrsmedian time licensed
  • 77.2%corp / LLC / partnership (22.8% sole owner)
  • 15new in the last 12 months
  • —change tracking began November 1, 2026

San Francisco is home to 101 HVAC contractors in CSLB's license file, the most in San Francisco County. 97% are Clear.

About 1% report a workers' comp exemption, roughly the statewide norm for HVAC contractors. The share with a suspension (3%) is close to the San Francisco County rate for the same license (3%).

The median HVAC contractor here has held a license for 14.8 years (more than the statewide median of 11.6), and 15 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 Francisco

  1. Look the company up by name or license number (search San Francisco). On the profile, confirm three things: Clear status, the C-20 license for this kind of work, and a contractor's bond on file.
  2. Before any money changes hands, verify the license on CSLB's own lookup. Our data comes from CSLB's weekly file, so a very recent change may not show here yet.
  3. Ask for the pocket license and a photo ID and match the name to your contract. Work of $1,000 or more needs a license (the $1,000 rule), and a down payment can't exceed $1,000 or 10% (down payment rules).

50 of 101 HVAC contractors in San Francisco

San Francisco 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 Francisco
Business nameLicense #StatusYearsWorkers' compBond
Anderson Rowe & Buckley INC 91594 Clear 79 Insured On file
Reichel C R Engineering CO INC 169169 Clear 69 Insured On file
Abco Mechanical Contractors INC 209064 Clear 64 Insured On file
Yick Robert Company INC 259281 Clear 57 Insured On file
Howe Furnace Company INC 278286 Clear 54 Insured On file
Demakas Plumbing & Heating INC 349523 Clear 48 Insured On file
Ayoob & Peery Plumbing CO INC 392967 Clear 46 Insured On file
Standard Sheet Metal and Marine Plumbing 413299 Clear 45 Insured On file
Associated Heating of S F 486084 Clear 40 Insured On file
Lutz Plumbing INC 503971 Clear 39 Insured On file
Renstrom Plumbing & Heating INC 556995 Clear 37 Insured On file
Yum's Mechanical CO INC 583839 Clear 36 Insured On file
Cabrillo Plumbing & Heating 629538 Clear 35 Insured On file
Agbayani Construction Corporation 650472 Clear 34 Insured On file
Bing's Heating & Cooling CO 651731 Clear 34 Insured On file
Nba Engineering INC 654936 Clear 34 Insured On file
O'keeffe Mechanical CO INC 687041 Clear 32 Insured On file
Magic Plumbing Heating & Cooling 698806 Clear 32 Insured On file
S L Mechanical Contractors 697542 Clear 32 Insured On file
Schmitt Heating CO INC 708941 Clear 31 Insured On file
Lee Incorporated 724791 Clear 30 Insured On file
Bullard's Heating & Air INC 728605 Clear 30 Insured On file
National Chimney 733653 Clear 29 Insured On file
Gilmore E B & Sons Mechanical Services INC 740278 Clear 29 Insured On file
Ctw Mechanical INC 761595 Clear 27 Insured On file
William's Heating 766335 Clear 27 None On file
D & W HVAC INC 773400 Clear 26 Insured On file
Yama Construction 789630 Clear 25 Insured On file
Heaven's Earth CO INC 790932 Clear 25 Insured On file
Aremtech INC 795570 Clear 25 Insured On file
Claddagh Refrigeration Company INC 796321 Clear 25 Insured On file
Bon Air Services 821851 Clear 23 Insured On file
Apex Electric & Air 825156 Clear 23 Insured On file
Dmg Enterprises INC 833910 Clear 22 Insured On file
Luminalt Energy Corporation 845219 Clear 22 Insured On file
Air Perfection Heating & Air Conditioning INC 887963 Clear 19 Insured On file
Volodymyr 897840 Clear 19 Insured On file
Z & H Mechanical Contractor 901598 Clear 19 Insured On file
No Limit Heating & Air Conditioning 907886 Clear 18 Insured On file
Gb Mechanical HVAC CO 918728 Clear 18 Insured On file
Andy's Mechanical 931264 Clear 17 Insured On file
B D Unique Construction Company 937060 Clear 17 Insured On file
Surtec Construction Company INC 936254 Clear 17 Insured On file
Greenflow HVAC INC 940159 Clear 17 Insured On file
Building Efficiency INC 947504 Clear 16 Insured On file
Everett Jeremy A 948846 Clear 16 Insured On file
Kohler Heating 951781 Clear 16 Insured On file
Pacific Radiant Heat & Construction 952071 Clear 16 Insured On file
T M Mechanical Company INC 961018 Clear 15 Insured On file
Oceanside Sheetmetal INC 968537 Clear 14 Insured On file

See all 101 HVAC contractors in San Francisco

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 Francisco?

CSLB's current public file lists 101 HVAC contractors with a San Francisco mailing address. 98 have a Clear status, and 91.1% 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 Francisco County, 97% of San Francisco'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 Francisco HVAC contractors, 1% are exempt (no employees), 96% insured and 3% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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