| Business | Phone |
| Action Heating & Air Cond Schaumburg 60193 | (847) 895-1000 |
| Air Conditioning & Heating Co Schaumburg 60193 | (847) 351-4328 |
| All Ways Heating & Air Cond 2401 Baldwin Ct, Schaumburg 60193 | (847) 891-4840 |
| Ars-American Residential Svc Schaumburg 60194 | (847) 843-2600 |
| Belimo Air Control 651 S Roselle Rd, Schaumburg 60193 | (847) 352-0528 |
| Climate/Tech Heating & Air 1107 Lunt Ave 5, Schaumburg 60193 | (630) 307-0752 |
| Coldwave Heating & Air 1556 W Algonquin Rd 119, Schaumburg 60192 | (847) 991-2300 |
| Corcoran Heating & Air Cond 2137 Hammond Dr, Schaumburg 60173 | (847) 382-0444 |