| Business | Phone |
| Ankeny/Van Dyck Heating & Clng 1009 8th St Sw, Altoona 50009 | (515) 964-2456 |
| Capitol City Heating & Cooling 106 1st Ave S, Altoona 50009 | (515) 277-3481 |
| Hagman Heating & Cooling 335 36th St Sw, Altoona 50009 | (515) 967-4055 |
| Conkling Services 115 2nd St Se A, Altoona 50009 | (515) 967-3974 |