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Licensed HVAC Contractors in Glendora, California

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

  • 36licensed HVAC contractors
  • 34active (Clear)
  • 5.6%with a suspension
  • 0%workers' comp exempt
  • 16.7 yrsmedian time licensed
  • 58.3%corp / LLC / partnership (41.7% sole owner)
  • 4new in the last 12 months
  • —change tracking began November 1, 2026

Glendora is home to 36 HVAC contractors in CSLB's license file, ranking #22 of 52 Los Angeles County cities for this trade. 94.4% are Clear.

The share with a suspension (5.6%) 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.

The median HVAC contractor here has held a license for 16.7 years (more than the statewide median of 11.6), and 4 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 Glendora

  1. Find the business in the list below, or search all 36 Glendora listings, and open its profile. You want a Clear status and the C-20 classification (a B license can also cover it as part of a multi-trade job).
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 5.6% of Glendora 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 36 HVAC contractors in Glendora

Glendora 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 Glendora
Business nameLicense #StatusYearsWorkers' compBond
Glendora Plumbing & Heating INC 388123 Clear 46 Insured On file
King Unlimited 523208 Clear 38 Insured On file
Jordanair INC 560429 Clear 37 Insured On file
Cypress Heating & Air Conditioning INC 593268 Clear 36 Insured On file
Re Air INC 595054 Clear 36 Insured On file
B-P Air INC 631883 Clear 35 Insured On file
Argo Contractor Services INC 632879 Clear 34 Insured On file
Wells Development and Construction INC 700198 Clear 31 Insured On file
Comfort Zone INC 760955 Clear 27 Insured On file
Air Control Contractors - Heating and Air Conditioning 819733 Clear 23 Insured On file
Optimum Heating and Air Conditioning 856737 Clear 21 Insured On file
Cal-West Mechanical LLC 858850 Clear 21 Insured On file
Accurate Electric, Plumbing, Heating and Air 860517 Clear 21 Insured On file
O'mahony Air Conditioning and Heating INC 871945 Clear 20 Insured On file
Spectrum Power and Electric 904139 Clear 19 Insured On file
Ae Technic INC 906078 Clear 19 Insured On file
Air Trim Heating and Air Conditioning 931805 Clear 17 Insured On file
Noy's Air Conditioning and Heating 956675 Clear 15 Insured On file
Rs Air Conditioning & Heating 966380 Clear 15 Insured On file
Icy Hot Heating & Air Conditioning 970023 Clear 14 Insured On file
R D Smith Heating and A C 1015727 Clear 10 Insured On file
Nava Luis Edgar 1024859 Clear 9 Insured On file
Ameduri Heating & Air Conditioning INC 1032139 Clear 9 Insured On file
USA Electricians Service INC 1078816 Clear 5 Insured On file
HVAC Champions 1087094 Clear 4 Insured On file
Canyon City Air 1103874 Clear 3 Insured On file
P & A Mechanical 1120042 Clear 2 Insured On file
Glendora Hills AC and Heat 1123854 Clear 2 Insured On file
HVAC Tech 1127005 Clear 2 Insured On file
Eikon HVAC INC 1136841 Clear 1 Insured On file
Wen Yuan Fan 1150225 Clear <1 Insured On file
Cooler Days HVAC 1153232 Clear <1 Insured On file
Lugg HVAC Services 1153600 Clear <1 Insured On file
Jet Air Solutions LLC 1155647 Clear <1 Insured On file
Cypress Heating & Air Conditioning 302865 Susp: workers' compensation 51 None On file
True HVAC Comfort 1143889 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 Glendora?

CSLB's current public file lists 36 HVAC contractors with a Glendora mailing address. 34 have a Clear status, and 94.4% 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 Los Angeles County, 94.4% of Glendora'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 Glendora, 94.4% of HVAC contractors list a policy, 0% claim an exemption and 5.6% 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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Guides