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Licensed HVAC Contractors in Hayward, California

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

  • 42licensed HVAC contractors
  • 41active (Clear)
  • 2.4%with a suspension
  • 0%workers' comp exempt
  • 7.6 yrsmedian time licensed
  • 71.4%corp / LLC / partnership (28.6% sole owner)
  • 2new in the last 12 months
  • —change tracking began November 1, 2026

There are 42 HVAC contractors based in Hayward in CSLB's current file. 41 (97.6%) have a Clear status as of November 1, 2026.

The share with a suspension, 2.4%, is 2 points lower than the Alameda County rate for the same license (4.4%). About 0% report a workers' comp exemption, roughly the statewide norm for HVAC contractors.

The median HVAC contractor here has held a license for 7.6 years (less than the statewide median of 11.6), and 2 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 Hayward

  1. Look the company up by name or license number (search Hayward). 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. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 2.4% of Hayward listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Ask for proof of workers' comp if anyone besides the owner will work on site. Hiring checklist.

All 42 HVAC contractors in Hayward

Hayward 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 Hayward
Business nameLicense #StatusYearsWorkers' compBond
D W Nicholson Corporation 68847 Clear 86 Insured On file
Van-Mulder Sheet Metal INC 279981 Clear 54 Insured On file
Burlingame Heating and Ventilation INC 414631 Clear 44 Insured On file
Ackley Sheetmetal INC 481360 Clear 41 Insured On file
A & B Mechanical INC 740508 Clear 29 Insured On file
A M E Heating & Air Conditioning 744499 Clear 28 Insured On file
Westates Mechanical Corporation INC 828590 Clear 22 Insured On file
Package Unit Pros 840012 Clear 22 Insured On file
Advance Heating and Cooling Works 882025 Clear 20 Insured On file
All About Air 902777 Clear 19 Insured On file
G P A Mechanical Services INC 926525 Clear 17 Insured On file
Lovazzano HVAC INC 942258 Clear 16 Insured On file
Pratap Rohit 964058 Clear 15 Insured On file
J R Heating and Cooling Systems 968234 Clear 14 Insured On file
H D Ez - Air INC 974381 Clear 14 Insured On file
Freese Heating and Air 1000627 Clear 11 Insured On file
Same Day Air Conditioning & Heating 1009199 Clear 10 Insured On file
Artisan Air Heating Cooling INC 1018534 Clear 10 Insured On file
Attic Star INC 1039731 Clear 8 Insured On file
Precision HVAC Heating & Air Conditioning 1047076 Clear 7 Insured On file
Climate Pros LLC 1056931 Clear 7 Insured On file
Cedar Builders INC 1059163 Clear 7 Insured On file
Absolute Air Solutions 1059577 Clear 7 Insured On file
Villquin Air Services LLC 1062552 Clear 6 Insured On file
Rav Mechanical Corporation 1073696 Clear 5 Insured On file
True Blue Air 1078676 Clear 5 Insured On file
Mako Heating, Cooling and Electrical 1086975 Clear 4 Insured On file
Solarsesame INC 1116168 Clear 2 Insured On file
Airstars Corp 1118050 Clear 2 Insured On file
Alaniz HVAC Services 1120282 Clear 2 Insured On file
Happy Heating & Air 1121646 Clear 2 Insured On file
Climatecare Boiler Works 1126949 Clear 2 Insured On file
Turnkey HVAC 1126546 Clear 2 Insured On file
Bay Area Climate Control 1129915 Clear 1 Insured On file
North Bay Design and Build INC 1129470 Clear 1 Insured On file
Alpes Cooling & Heating 1133150 Clear 1 Insured On file
Blown Away 1135076 Clear 1 Insured On file
Singh Air Systems 1140661 Clear 1 Insured On file
Service Ka LLC 1141882 Clear 1 Insured On file
Antell HVAC & Electric LLC 1148051 Clear <1 Insured On file
Ocean HVAC 1163124 Clear <1 Insured On file
Schletter Ryan Christopher 949687 Susp: workers' compensation 16 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 Hayward?

CSLB's current public file lists 42 HVAC contractors with a Hayward mailing address. 41 have a Clear status, and 88.1% 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 Alameda County, 97.6% of Hayward'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 Hayward, 97.6% of HVAC contractors list a policy, 0% claim an exemption and 2.4% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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