For more than 150 years GSW has provided innovative products to Canadian homes, a claim few water heater brands can make. We continue to evolve and strive to provide the safest, most reliable and energy efficient water heaters available.
Hours of Operation
Technical Support
Monday to Friday 8:00 am to 5:00 pm EST
Warranty Validations
Monday to Sunday 8:00 am to 5:00 pm EST
Customer Service
Monday to Friday 7:00 am to 5:00 pm EST
Our Location
GSW Water Heaters
599 Hill Street West
Fergus, Ontario, Canada N1M 2X1
T 1.888.479.8324
F 519.787.5500