Licensed HVAC Contractors in San Dimas, California
Updated November 1, 2026 from CSLB's public license file · C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- 24licensed HVAC contractors
- 21active (Clear)
- 12.5%with a suspension
- 0%workers' comp exempt
- 18.2 yrsmedian time licensed
- 58.3%corp / LLC / partnership (41.7% sole owner)
- 0new in the last 12 months
- —change tracking began November 1, 2026
San Dimas is home to 24 HVAC contractors in CSLB's license file, ranking #44 of 52 Los Angeles County cities for this trade. 87.5% are Clear.
About 0% report a workers' comp exemption, roughly the statewide norm for HVAC contractors. The share with a suspension, 12.5%, is 7.7 points higher than the Los Angeles County rate for the same license (4.8%).
The median HVAC contractor here has held a license for 18.2 years (more than the statewide median of 11.6), and 0 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 Dimas
- Find the business in the list below, or search all 24 San Dimas 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).
- Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 12.5% of San Dimas listings here already show a suspension.
- 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 24 HVAC contractors in San Dimas
San Dimas 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.
| Business name | License # | Status | Years | Workers' comp | Bond |
|---|---|---|---|---|---|
| Ward's Heating & Air Conditioning | 254919 | Clear | 58 | Insured | On file |
| Wade Martin E | 411004 | Clear | 45 | Insured | On file |
| Athena Engineering INC | 523044 | Clear | 38 | Insured | On file |
| Rain Bow Heating & Air INC | 613976 | Clear | 35 | Insured | On file |
| Montes Daniel & Son Air Conditioning and Heating | 647493 | Clear | 34 | Insured | On file |
| J B Kitchens Baths & Design INC | 730976 | Clear | 29 | Insured | On file |
| Schultz Electric | 762677 | Clear | 27 | Insured | On file |
| H P Mechanical INC | 856371 | Clear | 21 | Insured | On file |
| Urbina Edwin | 912215 | Clear | 18 | Insured | On file |
| R C S | 919205 | Clear | 18 | Insured | On file |
| Martinez Climate Control | 922415 | Clear | 18 | Insured | On file |
| Muller Dan Heating and Air Conditioning | 943592 | Clear | 16 | Insured | On file |
| Comfort Demand Mechanical Services | 983870 | Clear | 13 | Insured | On file |
| Equal Air Balance | 1006492 | Clear | 11 | Insured | On file |
| Western Air Mechanical | 1007340 | Clear | 11 | Insured | On file |
| Franklin Heating and Air Conditioning | 1046848 | Clear | 8 | Insured | On file |
| Advanced Plumbing Heating and Air Conditioning INC | 1054566 | Clear | 7 | Insured | On file |
| Dms Air INC | 1086341 | Clear | 4 | Insured | On file |
| Arsenal HVAC INC | 1107476 | Clear | 3 | Insured | On file |
| Easy Breezy Air INC | 1116043 | Clear | 2 | Insured | On file |
| Ddac Services INC | 1135401 | Clear | 1 | Insured | On file |
| Giraldo Electric | 388647 | Susp: workers' compensation | 46 | None | On file |
| Cool Time Air Conditioning and Heating | 592062 | Susp: workers' compensation | 36 | None | On file |
| Premier Air Conditioning INC | 1015193 | Susp: workers' compensation | 10 | 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 San Dimas?
CSLB's current public file lists 24 HVAC contractors with a San Dimas mailing address. 21 have a Clear status, and 83.3% 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, 87.5% of San Dimas'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 Dimas HVAC contractors, 0% are exempt (no employees), 87.5% insured and 12.5% without current coverage. Verify a policy with CSLB's insurer search (step by step).
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More HVAC contractors lists in Los Angeles County
- Tujunga (23)
- La Crescenta (22)
- Lakewood (22)
- Alhambra (21)
- Mission Hills (21)
- Hacienda Heights (20)
- Santa Fe Springs (20)
- Los Angeles (280)
- Glendale (131)
- Van Nuys (75)
- Long Beach (74)
- Burbank (70)
Other licensed trades in San Dimas
- General Contractors (135)
- Electricians (46)
- Limited Specialty Contractors (25)
- Plumbers (25)
- General Engineering Contractors (21)
Guides
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor: what the license covers
- What "Suspended: workers' compensation" means
- What "Suspended: contractor's bond" means
- Licensed contractors in Los Angeles County
- All licensed contractors in San Dimas
- How to check a contractor license in California