Our products

GIANT manufactures a complete line of residential and commercial – electric, gas and oil-fired water heaters using the best raw materials available in Canada. We manufacture most of our components and are the ONLY MANUFACTURER operating in Canada.

Our automated plants enable us to revolutionize the industry with competitive products that meet your daily hot water needs!

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Canada’s EnerGuide program for energy-using products is a rating and labelling system that allows consumers to find the most efficient product in their class. It provides verified data about a product’s energy performance.
The CSA certification indicates that our products have been evaluated by a formal process involving examination, testing and follow-up inspections. It also indicates that Giant products complies with applicable U.S., Canadian and/or international standards for safety or performance.
Giant’s Quality System is
ISO 9001-2015 certified.