| Business | Phone |
| Central Heating & Air Cond 860 15th St Se, Owatonna 55060 | (507) 451-3614 |
| Mc Quay Intl 1001 21st Ave Nw, Owatonna 55060 | (507) 446-1400 |
| Obe's Heating & Ac 1013 S Cedar Ave, Owatonna 55060 | (507) 451-8277 |
| Owatonna Heating & Cooling 408 N Cedar Ave, Owatonna 55060 | (507) 451-2051 |