| Business | Phone |
| Adams Heating & Cooling 5348 N Riverview Dr, Kalamazoo 49004 | (269) 349-7240 |
| Bartholomew Heating & Cooling 3025 Emerald Dr, Kalamazoo 49001 | (269) 381-9045 |
| Bell Aire Heating & A/C 705 N 2nd St, Kalamazoo 49009 | (269) 968-2177 |
| Suburban Heating & Ac & Plbg 500 S 8th St, Kalamazoo 49009 | (269) 372-8880 |
| De Haan Heating & Cooling Co 430 W North St, Kalamazoo 49007 | (269) 343-1623 |
| E M Sergeant 542 E Michigan Ave, Kalamazoo 49007 | (269) 343-1363 |
| Norris Heating & Cooling 1303 Parchmount Ave, Kalamazoo 49004 | (269) 382-7775 |
| Furnace Guy 6053 S 4th St, Kalamazoo 49009 | (269) 544-0904 |
| Mike Baker Heating & Cooling 219 Peekstock Rd, Kalamazoo 49001 | (269) 349-1600 |
| Metzger's Inc Air Cond & Htng 1802 Gull Rd, Kalamazoo 49048 | (269) 962-7135 |
| J P Heating & Air Cond Kalamazoo 49007 | (269) 345-1843 |
| Jack T Dehaan Htg & Cooling 4222 W C Ave, Kalamazoo 49009 | (269) 343-2703 |
| Kalamazoo Cooling & Heating 2122 Douglas Ave, Kalamazoo 49007 | (269) 382-0370 |
| Kalamazoo Heating & Appl Co 9919 Stadium Dr, Kalamazoo 49009 | (269) 375-2788 |