| Business | Phone |
| Beard-Warren Heating-Air Cond 1978 3rd Ave, Columbus 68601 | (402) 564-0595 |
| Eller Heating & Air Cond 2703 11th St, Columbus 68601 | (402) 564-8815 |
| Holmberg Heating & Air Inc 3516 53rd St, Columbus 68601 | (402) 562-6256 |
| Total Comfort Inc 3617 Howard Blvd, Columbus 68601 | (402) 564-2255 |