Enhancing everyday living
Manufacturing in Canada since 1945
For over 75 years, GIANT has been proudly serving the Canadian market with its wide range of water heaters.
A water heater that meets your needs
Residential Water Heaters
GIANT manufactures a complete line of electric, gas-fired and oil-fired residential water heaters using some of the best raw materials available in Canada.
Commercial Water Heaters
GIANT manufactures a complete range of gas and electric commercial water heaters to meet all your commercial project needs.
ISO 9001-2015 certified.