As one of the most respected vinyl replacement window and patio door brands in the U.S.A., Great Lakes® Window has been creating custom-made windows to help homeowners save on energy costs and create better living environments. We want you to feel confident that you’re making a sound decision when you select a window from Great Lakes Window. In fact, we have a lot of history to back our products up, going all the way back to 1981. Learn more about who we are, and how we got our start.

You can be certain that we take special care in the manufacturing of our vinyl window and patio doors. We use state-of-the-art technology, modern equipment, and cutting edge operational techniques to provide you with the best, high-performing windows in the industry. And because our premium window and patio door products are individually hand crafted, they are custom made to specifically fit your home.

But we don’t stop there. Meeting industry standards for quality and performance set by organizations such as ENERGY STAR® and the National Fenestration Ratings Council (NFRC) is important to us. We also meet requirements and certifications for several other organizations to make sure our windows are the most innovative and reliable products for your home.

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