Best Licensed HVAC Contractors in Montclair, CA
10 HVAC contractors registered in Montclair hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
How we chose: We identified 10 companies registered in Montclair. 10 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #320990 - look up this number at CSLBInsured - PREFERRED EMPLOYERS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1976
- Expires
- 2028-07-31
- Phone
- (909) 982-5698
- ✓ CSLB License #489652 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1986
- Expires
- 2027-01-31
- Phone
- (909) 624-8608
- ✓ CSLB License #597398 - look up this number at CSLBInsured - UNITED FIRE & CASUALTY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1990
- Expires
- 2028-06-30
- Phone
- (909) 635-1170
- ✓ CSLB License #872298 - look up this number at CSLBInsured - NATIONAL FIRE INSURANCE COMPANY OF HARTFORDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2006
- Expires
- 2028-02-29
- Phone
- (909) 510-1370
- ✓ CSLB License #980128 - look up this number at CSLBInsured - TRANSPORTATION INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2013
- Expires
- 2027-01-31
- Phone
- (562) 832-8299
- ✓ CSLB License #997546 - look up this number at CSLBInsured - HARTFORD CASUALTY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2014
- Expires
- 2026-10-31
- Phone
- (909) 680-9018
- ✓ CSLB License #1034739 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2018
- Expires
- 2028-01-31
- Phone
- (866) 794-5129
- ✓ CSLB License #1064451 - look up this number at CSLBInsured - NATIONAL FIRE INSURANCE COMPANY OF HARTFORDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2020
- Expires
- 2028-03-31
- Phone
- (909) 398-1922
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Klaus & Sons Plumbing Heating & Air Conditioning | #320990 | On file | 1976 |
| M A Ogg Heating & Air Conditioning Inc. | #489652 | On file | 1986 |
| West-tech Mechanical Inc. | #597398 | On file | 1990 |
| Best Electric And Air | #872298 | On file | 2006 |
| Talee Inc. | #980128 | On file | 2013 |
| B And N Heating And Air | #997546 | On file | 2014 |