| Business | Phone |
| Fast Appliance Svc Prospect Heights 60070 | (847) 301-7979 |
| Aspen Heating & Cooling 208 South Pkwy, Prospect Heights 60070 | (847) 255-2871 |
| Eagle Heating & Cooling Inc 14 Mandel Ln, Prospect Heights 60070 | (847) 391-0996 |
| Degree Of Comfort Heating Inc 5 Garden Ct, Prospect Heights 60070 | (847) 541-4328 |