| Nominate Nominated! | Advance Heating & Cooling KW |
| Nominate Nominated! | Aire One Heating & Cooling KW |
| Nominate Nominated! | Amber Heating |
| Nominate Nominated! | Bast Home Comfort NEW! |
| Nominate Nominated! | Black & McDonald |
| Nominate Nominated! | Conestogo Mechanical |
| Nominate Nominated! | Delta Air Systems Ltd. |
| Nominate Nominated! | Dynamic Mechanical |
| Nominate Nominated! | Eastbridge Heating & Cooling |
| Nominate Nominated! | Face Heating & Cooling |
| Nominate Nominated! | Fred Kau Plumbing & Heating Limited |
| Nominate Nominated! | Hogg Heating & Air Conditioning |
| Nominate Nominated! | Priority Mechanical Services Ltd |
| Nominate Nominated! | Richmond Heating & Air |
| Nominate Nominated! | Smith and Long |
| Nominate Nominated! | Summer Breeze Mechanical Service Inc |
| Nominate Nominated! | Total Aire Care |
| Nominate Nominated! | Vanderrock Heating and Cooling |
| Nominate Nominated! | Waterloo Energy Products and Mechanical |