| Business | Phone |
| A A Aire Patrol 150 North Queen St, Etobicoke M9C 1A8 | (416) 621-1584 |
| A Convertible Air Systems 49 Savona Dr, Etobicoke M8W 4V2 | (905) 803-9229 |
| A Plus Air Systems Inc 22 Goodmark Pl #1, Etobicoke M9W 6R2 | (416) 213-0303 |
| Aer Comfort Mechanical Svc Ltd 100 Westmore Dr #8, Etobicoke M9V 5C3 | (416) 744-5071 |
| Air Mechanical Sales Ltd 235 Belfield Rd, Etobicoke M9W 1H2 | (416) 247-4588 |
| Gta Mechanical Ltd 514 Carlingview Dr, Etobicoke M9W 5R3 | (416) 213-7495 |
| Hawaiian Arctic Heating 7 Ballater Crt, Etobicoke M9V 3P3 | (416) 741-8934 |
| Horizon Mechanical Contractors 109 Shorncliffe Rd, Etobicoke M8Z 5K7 | (416) 234-0225 |
| Iaq Distributors 83 Galaxy Blvd #19, Etobicoke M9W 5X6 | (416) 674-7525 |
| J & B Mechanical Systems Ltd 2001 Albion Rd #3, Etobicoke M9W 6V6 | (416) 231-4187 |
| Kern Thermal Equipment Ltd 37 Iron St, Etobicoke M9W 5E3 | (416) 245-2600 |
| Lakeshore Air Conditioning Svc 104 Ninth St, Etobicoke M8V 3E4 | (416) 252-4303 |
| Millgate Cooling & Heating 18 Canmotor Ave, Etobicoke M8Z 4E5 | (416) 255-5757 |
| Merkel Air Systems Ltd 10 Dittmer Cres, Etobicoke M9W 4P8 | (416) 742-9998 |
| Mfi Heating & Air Cond 21 Ardua St, Etobicoke M9C 3T7 | (416) 626-0055 |
| Ontario Mechanical Equip Sales 215 Carlingview Dr #206, Etobicoke M9W 5X8 | (416) 798-8187 |
| Pronto Heating & Air Cond 12 Aberlady Rd, Etobicoke M8Z 2J3 | (416) 259-0695 |
| R & R Heatig & Cooling 14 Tollington Rd, Etobicoke M9R 2C8 | (416) 246-9854 |
| Refcon Systems Inc 2001 Albion Rd, Etobicoke M9W 6V6 | (416) 674-2323 |
| Bahr Heating & Air Cond Ltd 18 Canso Rd, Etobicoke M9W 4L8 | (416) 259-1109 |
| Belcomfort Heating & Air Cond 21 Goodrich Rd, Etobicoke M8Z 6A3 | (416) 255-4779 |
| Blizzard Air 2902 Lake Shore Blvd W, Etobicoke M8V 1J4 | (416) 252-9888 |
| Summit Mechanical Inc 2001 Albion Rd #11, Etobicoke M9W 6V6 | (416) 798-2222 |
| Tempco Heating & Air Cond 38 Kelfield St, Etobicoke M9W 5A2 | (416) 766-1237 |
| United Energy Heating & Clng 3693 Lake Shore Blvd W, Etobicoke M8W 1P7 | (416) 503-3159 |
| United Energy Heating & Coolin 369 Lake Shore Blvd W, Etobicoke M8W 1P7 | (416) 463-9708 |
| United Thermodynamics Corp 252 Bering Ave, Etobicoke M8Z 3A3 | (416) 234-9000 |
| Universal Air 11 Greensboro Dr, Etobicoke M9W 1C7 | (416) 244-4343 |
| Walltek Mechanical Inc 373 Bering Ave, Etobicoke M8Z 3B1 | (416) 231-0000 |
| Cesco Heating & Cooling 90 Advance Rd, Etobicoke M8Z 2T7 | (416) 246-0037 |
| Complete Mechanical Svc 204 North Queen St, Etobicoke M9C 4Y1 | (416) 620-4221 |
| Convertible Air Systems 49 Savona Dr #101, Etobicoke M8W 4V2 | (416) 503-8188 |
| Cool Team Svc Corp 48 Haas Rd, Etobicoke M9W 3A2 | (416) 747-1000 |
| Cooltech Air Systems Ltd 6797 Steeles Ave W, Etobicoke M9V 4R9 | (416) 740-1905 |
| Cool Check Air Conditioning 25 Coronet Rd #4, Etobicoke M8Z 2L8 | (416) 236-1000 |
| Davie Environmental Equipment 37 Iron St, Etobicoke M9W 5E3 | (416) 244-5586 |
| Ditollo Air Conditioning 192 Redgrave Dr, Etobicoke M9R 3V9 | (416) 247-2492 |
| Easterbrook Brothers Ltd 45 Shaft Rd, Etobicoke M9W 4M3 | (416) 243-1220 |
| Exact Air Control Ltd 244 Brockport Dr, Etobicoke M9W 5S1 | (416) 675-4501 |
| Field Temperature Control Ltd 14 Steinway Blvd #9, Etobicoke M9W 6M6 | (416) 674-1947 |