| Business | Phone |
| Airtron Heating & Air Cond 520 Commercial Dr, Fairfield 45014 | (513) 860-5959 |
| B & W Heating & Cooling Po Box 18155, Fairfield 45018 | (513) 863-9866 |
| Hathaway Air & Electric Inc 11 Viola Ct, Fairfield 45014 | (513) 737-4135 |
| Heat Pump Specialists 6226 Winton Rd, Fairfield 45014 | (513) 829-5534 |
| Hill-Air Heating & Air Cond 3160 Cunagin Dr, Fairfield 45014 | (513) 346-7500 |
| Pochard-Pater Heating & Air 635 Doris Jane Ave, Fairfield 45014 | (513) 863-6089 |