Windows & Doors

Beautiful windows and doors complete the look of your home, outside and in. Plus, new or replacement windows and doors can increase your home's value and add energy-efficiency. Whatever your style or budget, we will help you find new or replacement windows to match your family's needs.

We are proud to carry a wide selection of Marvin® windows and doors. We also carry a selection of high-quality front doors and interior doors, such as Brosco, Masonite, and Rogue Valley. Speak with our experts today about window placement, style and finish options, door selection, hardware, and much more.

Visit a showroom to explore window and door options, and try them out for yourself.

Showroom Locations and Hours

Windows Showroom

Doors Showroom

Marvin Signature Collection

Each Marvin window or door is made to order—not retrieved from a warehouse of finished products. This process allows us to meet each customer’s unique design and performance specifications and enables us to offer the industry’s most extensive selection of shapes, styles, sizes and options.

Featuring the Ultimate and Modern product lines, the Marvin Signature Collection offers the broadest range of product types, sizes, configurations, and design options. Every detail is considered, delivering the highest level of architectural correctness and unrivaled appeal.

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Atrium Windows

Manufacturing a wide range of high-quality windows and providing exceptional customer service, Atrium has established itself as an efficient manufacturer of high quality products. From investments in product development to the standards of operational excellence Atrium strives to exceed every day, focusing its goals from the perspective of the customer.

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Marvin Elevate and Essential Collections

Marvin is the world's largest manufacturer of windows and doors made with Ultrex®—a highly-durable, virtually maintenance free state-of-the-art pultruded fiberglass material that outperforms vinyl and roll-form aluminum.

The Elevate Collection is thoughtfully designed to offer specifically-chosen features and options to help make your vision a reality. Warm wood interiors with strong, durable Ultrex fiberglass exteriors provide the ideal combination of beauty and strength. The Essential Collection makes it easy to achieve design and quality with clean lines, streamlined options, and powerful performance.

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Therma–Tru – Doors and Entry Systems

Therma-Tru entry door systems are not only the brand that most builders prefer; they are also unmatched with the best warranties in the industry. Every line of doors we offer comes with a package of performance that is unrivaled in the industry.

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GNH is proud to carry these Windows and Doors brands: