| Business | Phone |
| A C & R Svc 539 S Main St, Ukiah 95482 | (707) 462-2021 |
| Devco Heating & Ac 3000 N State St, Ukiah 95482 | (707) 463-8065 |
| Fosters Heating & Cooling 3561 N State St # E, Ukiah 95482 | (707) 462-8802 |
| Quest-Air Inc Po Box 546, Ukiah 95482 | (707) 459-4004 |
| Reliance Enterprises 3651 Christy Ln, Ukiah 95482 | (707) 462-7279 |
| Ukiah Heating & Cooling 144 Orr Springs Rd, Ukiah 95482 | (707) 462-6864 |
| Ashford Heating & Air Cond 966 Mazzoni St, Ukiah 95482 | (707) 462-7114 |
| Harmon Heating & Air 3001 S State St # 6, Ukiah 95482 | (707) 468-9530 |
| Redwood Heating-Cooling 775 E Gobbi St, Ukiah 95482 | (707) 462-2468 |