| Business | Phone |
| Honeywell Limitee 847 Rue King O, Sherbrooke J1H 1R9 | (819) 564-5155 |
| Ventilation Michel Laprise Inc 920 Rue Longpre, Sherbrooke J1G 5B9 | (819) 822-3484 |
| Climatisation Roger Demers Inc 1331 Rue Denault, Sherbrooke J1H 2P6 | (819) 565-0817 |
| Climatisation Duplessis 5521, boul. Bourque, Sherbrooke J1N 1G8 | (819) 240-6837 |