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When Great Lakes® Window energy efficient windows are installed, they bring a whole new world of comfort, security and efficiency to your home. Not only will you get beautiful views that keep you warm in the winter and cool in the summer, but energy bills that no longer empty your pockets. You’ll feel safe and comfortable in your sanctuary.

On the outside, you can see the beauty of our windows, but some of the best features inside them lead to industry-leading window performance, such as durable frame options with insulation in both the frame and sash. From glass packages that provide optimum energy efficiency, to sound resistant glass and UV resistant coatings, you can easily make your home comfortable and secure all year round.