| Business | Phone |
| Tyler Heating & Cooling 4031 Kent Ave, Kalamazoo 49008 | (269) 567-4410 |
| Dependable Heating Co 433 Riverview Dr, Kalamazoo 49048 | (269) 343-5381 |
| Nieboer Heating & Cooling Inc 2107 Schippers Ln, Kalamazoo 49048 | (269) 381-7430 |
| Futures Heating & Cooling 419 Harrison St, Kalamazoo 49007 | (269) 381-3642 |
| Matthews Mechanical Heating 3745 W Brenda Ln, Kalamazoo 49004 | (269) 383-2437 |
| Hurst Mechanical Inc 7300 E Michigan Ave, Kalamazoo 49048 | (269) 345-4040 |
| J & J Heating & Cooling 8160 Douglas Ave, Kalamazoo 49009 | (269) 382-1854 |
| Kalamazoo Mechanical Inc 5507 E Cork St, Kalamazoo 49048 | (269) 343-5351 |