| Nominate Nominated! | Active Air |
| Nominate Nominated! | Adam's Air Systems Inc |
| Nominate Nominated! | Aire One Heating & Cooling |
| Nominate Nominated! | Aldershot Air Conditioning & Heating |
| Nominate Nominated! | Archie Horn & Son Plumbing and Heating |
| Nominate Nominated! | Constant Home Comfort |
| Nominate Nominated! | D.A.D. Hvac |
| Nominate Nominated! | Darrick Davidson Mechanical Services Ltd. |
| Nominate Nominated! | Dr HVAC |
| Nominate Nominated! | Dynamic Heating and Cooling |
| Nominate Nominated! | Electric Motor Service (Hamilton) |
| Nominate Nominated! | Engineered Air |
| Nominate Nominated! | GB Mechanical Heating and Cooling |
| Nominate Nominated! | Guest Plumbing & Heating |
| Nominate Nominated! | Hamco |
| Nominate Nominated! | Hamilton Air Systems |
| Nominate Nominated! | Hamilton Home Comfort |
| Nominate Nominated! | Hammertown Heating & AC |
| Nominate Nominated! | Home & Garden RONA / Waterdown NEW! |
| Nominate Nominated! | Hubbard Air |
| Nominate Nominated! | Jamesdean Mechanical |
| Nominate Nominated! | Jds HVAC Solutions |
| Nominate Nominated! | Lancaster Heating & Cooling |
| Nominate Nominated! | Main St Heating & Gas |
| Nominate Nominated! | My HVAC Guy NEW! |
| Nominate Nominated! | Noble |
| Nominate Nominated! | Paradigm Venture |
| Nominate Nominated! | Pro-Active Heating Ancaster |
| Nominate Nominated! | Protech Inc |
| Nominate Nominated! | Service Experts Heating & Air Conditioning |