Thank you for choosing GEMCO® and our BEST® water heaters.

We are pleased to let you know that all of our water heaters are now gathered under the same and unique brand, Giant Factories Inc.

A family business since 1945, Giant Factories Inc. is the only water heater manufacturer operating in Canada.

Our company has two factories equipped with state-of-the-art machinery and more than 300 dedicated and passionate employees.

Its continuous improvement processes guarantee constant innovation and quality products at a competitive price.

You are looking to replace your BEST® water heater?

Find out more about our GIANT models here.

You have questions regarding your current BEST® water heater?

Find below the GEMCO® manuals and troubleshooting guides.

Documents

Gemco manuals

Gemco troubleshooting guides

For more information concerning GEMCO documents, please refer to the Giant website at www.giantinc.com/en

Please contact us with any of your questions, concerns or inquiries.

Usines Giant Factories Inc.

40 Avenue Lesage

Montreal-Est

Quebec, Canada H1B 5H3

Contact us

Phone

514-645-8893

Toll Free

1-800-363-9354

Fax

General Fax

514-640-0969

Customer Service Fax

514-645-8413

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.

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