About John Wood
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.
Welcome to John Wood your water heater Solutions brand.
Recognized for quality designs and exceptional reliability, professionals have depended on the John Wood brand of products for high quality water heating solutions for more than 50 years, including our line of Series PRO residential water heaters and our Signature Series line of commercial water heaters.
From design to manufacturing, from service to support, John Wood is committed to delivering products renowned for their technological advances and unparalleled quality.
