| Business | Phone |
| Custom Hydronics 4667 Lily Bass Rd, Rhinelander 54501 | (715) 272-1823 |
| Gritzmacher Heating & Cooling 1201 N Stevens St, Rhinelander 54501 | (715) 369-8970 |
| Megaforce Heating 435 N Stevens St, Rhinelander 54501 | (715) 362-6342 |
| Specialty Heating 7170 Blackberry Dr, Rhinelander 54501 | (715) 272-1670 |