| Business | Phone |
| A A Heating & Cooling Carmel 46032 | (317) 705-9818 |
| Appel Heating & Ac Co 530 S Range Line Rd, Carmel 46032 | (317) 846-0434 |
| Maintenance One 160 W Carmel Dr, Carmel 46032 | (317) 566-1265 |
| R C Birbiglia Heating & Clng 3621 Braewick Dr, Carmel 46033 | (317) 846-9565 |
| Swift Air Mechanical Heating Carmel 46032 | (317) 844-0711 |