| Business | Phone |
| D & R Heating & Cooling 32605 S Lone Tree Rd, Harrisonville 64701 | (816) 293-5236 |
| Deshazer Heating & Cooling 401 Plaza Dr, Harrisonville 64701 | (816) 380-1000 |
| Donegan Mechanical 600 E Mechanic St, Harrisonville 64701 | (816) 380-2848 |
| Hon Heating & Cooling 305 N Independence St, Harrisonville 64701 | (816) 884-5372 |