| Business | Phone |
| Air Care Hvac 992 Rankin Dr, Troy 48083 | (248) 548-7776 |
| Atlas Heating & Air Cond Inc 1733 Rochester Rd, Troy 48083 | (248) 689-5644 |
| Better Heating & Cooling Bur 3221 W Big Beaver Rd 305, Troy 48084 | (248) 649-3740 |
| Big Beaver Plumbing & Heating 866 Hartland Dr, Troy 48083 | (248) 528-1333 |
| Comfort Air Heating & Cooling Troy 48084 | (248) 273-1100 |
| G C Johnston Plumbing-Heating 1510 Boulan Dr, Troy 48084 | (248) 644-5540 |
| George S Hall Inc Troy 48085 | (248) 828-3033 |
| Modern Heating & Cooling Inc 34807 Dequindre Rd, Troy 48083 | (248) 589-1323 |