It is TSSA federal law that you inspect your furnace annually.
| Name | Area | Service | Phone Number |
| Randy Erwood | All Areas | Furnace Oil | 905-638-2152 |
| Beachwood Refrigeration (Ryan) | All Areas | Propane Inspections | 905-690-8613 |
| Delko & King HVAC/R Contracting (Andy) | All Areas | Propane | 905-537-0137 |
| Chrome Mechanical | Milton, Oakville, Brantford, Ancaster, Dundas | Propane Inspections | 416-434-8115 |
| Pro-Gas (Jack) | All Areas | Propane | 905-641-6478 |
| Falls Heating and AC (Steve Pharand) | Niagara Region | Propane / Furnace Oil | 905-358-1185 |
| Enertech (Bob Crate) | Millgrove | Propane / Furnace Oil | 905-630-5544 |
| Kingsway Heating | All Areas | Propane / Furnace Oil – Inspections & Installations | 647-333-1562 (Brad) |
| Deryl Knowles from Enercare | Hamilton, Halton & Brant County | Propane Tank Installations Only | 905-638-0067 |
| Excel Heating | Waterdown | Propane | 905-689-3446 (Wally) |
| Prologic Comfort | Mount Hope | Propane | 905-379-9866 (Keith) |
| Lynden Mechanical | All Areas | Propane | 519-222-1466 (Bob) |
| Flamborough Gas | Flamborough | Propane | 905-659-4328 (Matt) |
| James Pare Heating | Welland | Propane / Furnace Oil | 289-820-7179 |
| All Heating | Welland | Propane / Furnace Oil | 289-925-4328 |
| Canadian Temp Control | Hamilton | Propane / Furnace Oil | 905-388-7679 |
| Elmwood Gosley | Burlington | Furnace Oil Inspection / Service Only | 905-639-7340 |
| Quality Home Services | Caledonia, Ancaster, Hamilton | Propane | 905-765-6823 |
| M&S Heating | Pelham | Furnace Oil | 905-687-9100 |
| Peter Smith Heating | Welland | Furnace Oil | 905-658-0611 |
| MDS Mechanical | Stoney Creek | Propane / Furnace Oil | 905-746-9944 |
| Bruce Thompson Heat | Rockton, Ancaster, Flamborugh, and Brantford | Propane / Furnace Oil | 905-628-2553 |