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Licensed HVAC Contractors in Hacienda Heights, California

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

  • 20licensed HVAC contractors
  • 19active (Clear)
  • 5%with a suspension
  • 0%workers' comp exempt
  • 8.9 yrsmedian time licensed
  • 30%corp / LLC / partnership (70% sole owner)
  • 2new in the last 12 months
  • —change tracking began November 1, 2026

There are 20 HVAC contractors based in Hacienda Heights in CSLB's current file. 19 (95%) have a Clear status as of November 1, 2026.

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

Experience varies: 40% have been licensed 10+ years and 2 are new this year (median 8.9 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 Hacienda Heights

  1. Look the company up by name or license number (search Hacienda Heights). 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 5% of Hacienda Heights 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 20 HVAC contractors in Hacienda Heights

Hacienda Heights 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 Hacienda Heights
Business nameLicense #StatusYearsWorkers' compBond
John's Mechanical Services 512067 Clear 39 Insured On file
Energy Control 536125 Clear 38 Insured On file
C F Air Conditioning & Heating Service LLC 782192 Clear 26 Insured On file
HVAC Refrigeration and Electrical 831772 Clear 22 Insured On file
Green Power Air Controls INC 899104 Clear 19 Insured On file
Yellow Sea Construction INC 902105 Clear 19 Insured On file
Ab Advanced Air Conditioning Company 964269 Clear 15 Insured On file
Dr Dio Heating & Air Conditioning 988248 Clear 13 Insured On file
Thermsol 1033123 Clear 8 Insured On file
Wu Jianzhi 1034425 Clear 8 Insured On file
Daniel Billetts 1054372 Clear 7 Insured On file
Acr Air Conditioning 1061540 Clear 6 Insured On file
Linker HVAC INC 1092399 Clear 4 Insured On file
Mejia Carlos Alexander 1095036 Clear 4 Insured On file
Nertech Heating & AC 1129942 Clear 1 Insured On file
2 Elements Heating & A/C 1131510 Clear 1 Insured On file
Los Peak HVAC INC 1132322 Clear 1 Insured On file
Hongfeng You 1148023 Clear <1 Insured On file
William Wang 1159754 Clear <1 Insured On file
Seirafi Ahmed Mohamed 1025094 Susp: workers' compensation 9 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 Hacienda Heights?

CSLB's current public file lists 20 HVAC contractors with a Hacienda Heights mailing address. 19 have a Clear status, and 85% 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?

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). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 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 Hacienda Heights, 95% of HVAC contractors list a policy, 0% claim an exemption and 5% 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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