| Business | Phone |
| Air Technicians Inc 95 W Grand Ave 108, Lake Villa 60046 | (847) 265-1400 |
| All American Air Systems 500 Park Ave 103, Lake Villa 60046 | (847) 265-5572 |
| Balanced Air Heating & Cooling 313 Windsor Ct, Lake Villa 60046 | (847) 245-3659 |
| Rudd Mechanical Heating & Air 22055 W Nielson Dr, Lake Villa 60046 | (847) 245-3311 |
| Double D Heating & Cooling 2101 Fairfield Rd, Lake Villa 60046 | (847) 356-8512 |