| Business | Phone |
| Guy's Heating Svc 5 Hydro Rd, St Thomas N5P 2N5 | (519) 633-2167 |
| Home Comfort 26 Sifton Dr, St Thomas N5R 6C7 | (519) 637-7548 |
| Roy Inch & Sons Ltd 283 Talbot St, St Thomas N5P 1B3 | (519) 631-7140 |
| Cam's Heating & Air Cond Inc 4 Duckworth Ave, St Thomas N5P 2A8 | (519) 631-9878 |
| Coad Heating & Air Cond Ltd 43993 Talbot Line Rr 3, St Thomas N5P 3S7 | (519) 633-4256 |