Best Licensed HVAC Contractors in Corona, CA
93 HVAC contractors registered in Corona hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
- 1,055 active C-20 heating and air conditioning licenses in Riverside County; 95 registered in Corona
- California requires workers' compensation cover for C-20 licensees: 84 of Corona's 95 licenses (88.4%) carry a current policy with CSLB
- Median time licensed in Corona: 8 years
- Longest Corona licensure: since 1979
- 89 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1979
- Expires
- 2027-05-31
- Phone
- (951) 287-5560
- Verified
- August 17, 2026
- Licensed since
- 1980
- Expires
- 2026-09-30
- Phone
- (714) 827-4200
- Verified
- August 17, 2026
- Licensed since
- 1988
- Expires
- 2027-07-31
- Phone
- (951) 736-1101
- Verified
- August 17, 2026
- Licensed since
- 1990
- Expires
- 2028-08-31
- Phone
- (951) 582-9306
- Verified
- August 17, 2026
- Licensed since
- 1991
- Expires
- 2027-05-31
- Phone
- (951) 712-5540
- Verified
- August 17, 2026
- Licensed since
- 1992
- Expires
- 2027-06-30
- Phone
- (888) 248-3335
- Verified
- August 17, 2026
- Licensed since
- 1995
- Expires
- 2028-06-30
- Phone
- (951) 545-2888
- Verified
- August 17, 2026
- Licensed since
- 1995
- Expires
- 2027-08-31
- Phone
- (714) 397-1090
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Couts Heating & Cooling Inc. | #375584 | On file | 1979 |
| Economy Air Conditioning Inc. | #387627 | On file | 1980 |
| Allison Air Conditioning And Heating Inc. | #545500 | On file | 1988 |
| Pacific Environmental Technologies Inc. | #599654 | On file | 1990 |
| Helzer's Const Services | #619291 | On file | 1991 |
| R C Air Conditioning & Heating Inc. | #657924 | On file | 1992 |
Riverside County HVAC licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 1,055 active C-20 heating and air conditioning licenses in Riverside County, 95 of them registered in Corona. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Corona license has been held 8 years, and the longest-standing one dates to 1979. 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: 84 of Corona's 95 licenses (88.4%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 1,055 of the county's 1,055 licenses carry the same $25,000 bond California sets by statute. 89 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 Corona: common questions
How many licensed HVAC contractors are there in Corona?
95 active C-20 heating and air conditioning licenses are registered in Corona, out of 1,055 across Riverside County. 93 Corona-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. 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. 95 active C-20 heating and air conditioning licenses are registered in Corona and 1,055 across Riverside County, the longest-standing issued in 1979. 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 84 of Corona's 95 currently carry. 89 Riverside County licenses expire within 90 days.