| Business | Phone |
| Aaron & Trecker Heating & Ac 100 Oakwood Rd # C, Lake Zurich 60047 | (847) 520-9585 |
| Air Masters Lake Zurich 60047 | (847) 540-0060 |
| Sterling Service Group Inc 1150 Ensell Rd, Lake Zurich 60047 | (847) 438-9800 |
| Climate Makers Lake Zurich 60047 | (847) 540-6744 |
| Martin-Aire Co 23512 N Cedar Ln, Lake Zurich 60047 | (847) 540-8640 |
| J Bear Heating & Air 785 Oakwood Rd, Lake Zurich 60047 | (847) 719-1346 |
| J Bear Htg & Ac Inc 569 S Country Ridge Ct, Lake Zurich 60047 | (847) 726-3024 |
| Lake Zurich Heating & Air Cond 514 Old Mchenry Rd, Lake Zurich 60047 | (847) 438-6178 |