Great Lakes Window is
Now Simonton Windows and Doors 

The Great Lakes Window product lines are now a part of the Simonton Windows and Doors family of industry-leading products. An award-winning brand trusted by millions of customers to add comfort to their homes, Simonton will continue to provide professional window dealers a cohesive and comprehensive range of products manufactured in our Toledo, OH facility. You can find the links to these product lines below.

What Great Lakes products will Simonton offer?

ComfortSmart Collection

Designed to last a lifetime, our ComfortSmart windows have a modern narrow frame, so they can always showcase your home.

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HarborLight Collection

Harborlight windows are made to be long lasting, providing long term value. The traditional frame style fits naturally into any home aesthetic.

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Premier Patio Door

Premier sliding patio doors are design to provide a beautiful, seamless transition from your home to the outdoors.

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Where can I find support and warranty information?

Use the links below to find warranty information for previously purchased Great Lakes Window products, register products or submit a warranty claim for Great Lakes Window products.

Download Great Lakes Warranty

Register Your Great Lakes Warranty

Submit A Great Lakes Warranty Claim