| Business | Phone |
| Mc Collom's Heating & Cooling Farmington 63640 | (573) 756-4719 |
| Koppeis Heating & Cooling 210 Hyler Dr, Farmington 63640 | (573) 756-1224 |
| Jones Co Cooling & Htg Farmington 63640 | (573) 760-4700 |
| Crystal Heating & Cooling 141 Busenbark Dr, Farmington 63640 | (573) 431-5200 |