GSW Water Heating is a global leader in residential and commercial water heaters. What began in Canada, over a century and a half ago as a tinware and farm implements company, has evolved today into a leading designer and manufacturer of electric, gas, propane and oil-fired water heating systems. GSW brand names like John Wood, Flame Guard® and SuperFlue® are internationally recognized by customers for their quality, efficiency and reliability.

GSW is proud to have more water heaters in Canadian homes than any other manufacturer.

Our parent company - GSWINC.COM