| Business | Phone |
| Gord Dwight Heat Cool Design 21 Crestwood Dr, Scarborough M1E 1E6 | (416) 267-1373 |
| Heating Design Consultants 11753 Sheppard Ave E #201, Scarborough M1B 5M3 | (416) 438-9112 |
| Carey Heating and Air Conditioning 214 Santamonica Boulevard, Scarborough M1L 4H6 | (416) 269-2292 |