Best Licensed HVAC Contractors in Berkeley, CA
8 HVAC contractors registered in Berkeley hold current CSLB licenses, verified against official records as of August 17, 2026. All 8 are listed below, ordered by years licensed.
- 273 active C-20 heating and air conditioning licenses in Alameda County; 8 registered in Berkeley
- California requires workers' compensation cover for C-20 licensees: 7 of Berkeley's 8 licenses (87.5%) carry a current policy with CSLB
- Median time licensed in Berkeley: 9 years
- Longest Berkeley licensure: since 1974
- 20 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1974
- Expires
- 2028-03-31
- Phone
- (510) 845-8200
- Verified
- August 17, 2026
- Licensed since
- 1981
- Expires
- 2027-05-31
- Phone
- (510) 644-0260
- Verified
- August 17, 2026
- Licensed since
- 2006
- Expires
- 2028-05-31
- Phone
- (510) 540-4860
- Verified
- August 17, 2026
- Licensed since
- 2008
- Expires
- 2028-07-31
- Phone
- (510) 845-1090
- Verified
- August 17, 2026
- Licensed since
- 2016
- Expires
- 2028-08-31
- Phone
- (925) 386-0285
- Verified
- August 17, 2026
- Licensed since
- 2022
- Expires
- 2028-02-29
- Phone
- (866) 222-7980
- Verified
- August 17, 2026
- Licensed since
- 2023
- Expires
- 2027-08-31
- Phone
- (510) 610-0749
- Verified
- August 17, 2026
- Licensed since
- 2025
- Expires
- 2027-11-30
- Phone
- (510) 848-5010
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Berkeley Plumbing & Heating Company Inc. | #293715 | On file | 1974 |
| L J Kruse Co | #405523 | On file | 1981 |
| Advanced Home Energy Inc. | #877873 | On file | 2006 |
| Om Heating & Air Conditioning Inc. | #919475 | On file | 2008 |
| Total Construction Solutions | #1022149 | On file | 2016 |
| 3rdgen Home Services DBA 3rdgen Heating And Cooling | #1086898 | Expired on file | 2022 |
Alameda County HVAC licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 273 active C-20 heating and air conditioning licenses in Alameda County, 8 of them registered in Berkeley. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Berkeley license has been held 9 years, and the longest-standing one dates to 1974. California law requires workers' compensation cover for C-20 licensees, so it is a legal baseline rather than a way to tell two contractors apart: 7 of Berkeley's 8 licenses (87.5%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 273 of the county's 273 licenses carry the same $25,000 bond California sets by statute. 20 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
HVAC Contractors in Berkeley: common questions
How many licensed HVAC contractors are there in Berkeley?
8 active C-20 heating and air conditioning licenses are registered in Berkeley, out of 273 across Alameda County. 8 Berkeley-registered companies passed our license verification, and all 8 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license HVAC contractors?
Yes. California licenses contractors by classification, and C-20 is the CSLB classification that authorises this work. 8 active C-20 heating and air conditioning licenses are registered in Berkeley and 273 across Alameda County, the longest-standing issued in 1974. Only CLEAR, unexpired licenses appear here.
How do I check an HVAC contractor's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which California requires of C-20 licensees and 7 of Berkeley's 8 currently carry. 20 Alameda County licenses expire within 90 days.