| Business | Phone |
| Authorized Valley Svc 536 N Shadydale Ave, West Covina 91790 | (626) 337-2990 |
| Califrio Heating & Air Inc 402 N Sunset Ave, West Covina 91790 | (626) 960-0577 |
| Comfort Zone Inc 233 N Bromley Ave, West Covina 91790 | (626) 963-8383 |
| Cozy Air 915 E Vine Ave, West Covina 91790 | (626) 962-6048 |
| J M Air Conditioning & Heating 420 N Sunset Ave, West Covina 91790 | (626) 337-5955 |
| Kalmar Heating & Air Cond 1411 E Pioneer Dr, West Covina 91791 | (626) 331-4648 |
| Marathon Air Conditioning Inc 2648 E Workman Ave # 301, West Covina 91791 | (626) 338-1511 |