| Business | Phone |
| Champion Heating & Air Inc 610 Westwind Dr, Carpentersville 60110 | (847) 815-2063 |
| American Temperature Control 140 N Western Ave, Carpentersville 60110 | (847) 428-4328 |
| Pieniazek Sales 106 Maple Tree Ln, Carpentersville 60110 | (847) 428-9482 |
| Glenn's & Son Heating & Air 4 N Wisconsin St, Carpentersville 60110 | (847) 426-9500 |