Best Licensed HVAC Contractors in Monrovia, CA
15 HVAC contractors registered in Monrovia 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 15 companies registered in Monrovia. 15 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #258228 - look up this number at CSLBInsured - INSURANCE COMPANY OF THE WESTBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1969
- Expires
- 2026-12-31
- Phone
- (626) 357-5315
- ✓ CSLB License #673436 - look up this number at CSLBInsured - MID-CENTURY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1993
- Expires
- 2027-08-31
- Phone
- (626) 559-0990
- ✓ CSLB License #707018 - look up this number at CSLBInsured - CONTINENTAL CASUALTY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1995
- Expires
- 2027-05-31
- Phone
- (626) 524-3904
- ✓ CSLB License #715545 - look up this number at CSLBInsured - MID-CENTURY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1995
- Expires
- 2026-09-30
- Phone
- (626) 303-4150
- ✓ CSLB License #742211 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1997
- Expires
- 2028-07-31
- Phone
- (626) 354-1082
- ✓ CSLB License #742975 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1997
- Expires
- 2028-01-31
- Phone
- (626) 359-6637
- ✓ CSLB License #778839 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2000
- Expires
- 2028-05-31
- Phone
- (621) 932-1163
- ✓ CSLB License #804895 - look up this number at CSLBInsured - NATIONAL FIRE INSURANCE COMPANY OF HARTFORDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2002
- Expires
- 2028-03-31
- Phone
- (626) 367-5463
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Air Tro Incorporated | #258228 | On file | 1969 |
| Aryco H V A C | #673436 | On file | 1993 |
| S H Plumbing Heating & Air Conditioning | #707018 | On file | 1995 |
| Pratt Cooling & Heating Inc. | #715545 | On file | 1995 |
| Mountain Aire Services | #742211 | On file | 1997 |
| A & M Heating & Air Conditioning | #742975 | On file | 1997 |