| Business | Phone |
| A & H Air Conditioning & Htg 1717 College St, Baldwin City 66006 | (785) 594-3357 |
| Cowart's Heating & Cooling 1717 College St, Baldwin City 66006 | (785) 842-3618 |
| Niehoff Dunco Heating Baldwin City 66006 | (785) 594-7137 |
| Oehlert Heating & Air Cond 1583 N 900th Rd, Baldwin City 66006 | (785) 749-0678 |