HVAC contractor (C-20) in Winnetka, CA
11 licenses · checked Oct 27, 2026
There are 11 HVAC contractor (C-20) licenses with an address of record in Winnetka, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.6% of the 1,847 such licenses statewide; Winnetka ranks #35 of 425 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 91306 (9), 91396 (2). Most list Los Angeles County. By business type: Corporation 6, Sole Owner 5. The median first-issue year is 2017; the oldest license dates from 2016. 4 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a HVAC contractor (C-20) license covers
Warm-Air Heating, Ventilating and Air-Conditioning (C-20) covers furnaces, heat pumps, air-conditioning units, ducts and ventilation systems.
How to verify a license
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.
HVAC contractor (C-20) licenses in Winnetka
Showing 11 of 11, A to Z. Listing order is alphabetical, not a recommendation.
- ALD Project Corporation DBA Greenway Heating & Cooling#1063692 · 91306
- Angie'S Tech INC#1041237 · 91306
- Cali Aire#1011490 · 91306
- Cool Summer AIR & Heat INC#1066592 · 91396
- Dmitry Grigoryev#1024324 · 91306
- Jv-R AIR INC#1019469 · 91306
- L A Heating & A/C#1026357 · 91396
- MP ALL Seasons Heating AND Cooling INC#1044048 · 91306
- N A G AIR Conditioning & Heating Systems INC#1025354 · 91306
- Polar Temppro Refrigeration#1016201 · 91306
- Your Contractor#1055277 · 91306
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Winnetka?
11 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.6% of CA).
What does a HVAC contractor (C-20) license cover?
Warm-Air Heating, Ventilating and Air-Conditioning (C-20) covers furnaces, heat pumps, air-conditioning units, ducts and ventilation systems.
How do I verify a HVAC contractor (C-20) license in Winnetka?
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Use the license number shown here with the CSLB Instant License Check.
How many Winnetka HVAC contractor (C-20) licenses expire soon?
4 of 11 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.
Other license types in Winnetka
General building contractor (33) · Electrical contractor (C-10) (7) · Plumbing contractor (C-36) (5) · Landscaping contractor (C-27) (4) · Painting contractor (C-33) (3) · Roofing contractor (C-39) (3) · Flooring contractor (C-15) (3)
All HVAC contractor (C-20) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.