
HVAC contractor (C-20) in Hacienda Heights, CA
4 licenses · checked Oct 27, 2026
There are 4 HVAC contractor (C-20) licenses with an address of record in Hacienda Heights, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.2% of the 1,847 such licenses statewide; Hacienda Heights ranks #143 of 425 CA cities for this license type. Most list Los Angeles County. By business type: Sole Owner 4. The median first-issue year is 2018; the oldest license dates from 2017. 2 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 Hacienda Heights
Showing 4 of 4, A to Z. Listing order is alphabetical, not a recommendation.
- ACR AIR Conditioning#1061540 · 91745
- Daniel Billetts#1054372 · 91745
- Jianzhi WU#1034425 · 91745
- Thermsol#1033123 · 91745
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Hacienda Heights?
4 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.2% 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 Hacienda Heights?
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 Hacienda Heights HVAC contractor (C-20) licenses expire soon?
2 of 4 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 Hacienda Heights
General building contractor (21) · Electrical contractor (C-10) (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.