| Business | Phone |
| Bob's Home Heating & Cooling 327 Mankato Ave, Winona 55987 | (507) 454-3814 |
| Winona Heating & Ventilating 374 E 2nd St, Winona 55987 | (507) 452-2064 |
| Thorne's Refrigeration 375 W 2nd St, Winona 55987 | (507) 452-2500 |
| Todd's Refrigeration 1331 Gilmore Valley Rd, Winona 55987 | (507) 454-8799 |
| Shamrock Heating & Air Cond 25 Mcconnon Dr, Winona 55987 | (507) 452-1553 |
| Sievers & Kertzman Heating Air 163 E 3rd St, Winona 55987 | (507) 454-2588 |
| River City Heating & Air Cond 626 E 2nd St, Winona 55987 | (507) 454-7689 |