Windows & Doors

Let’s find the perfect windows and doors for your home.

GNH Lumber is proud to extend a family-owned culture and approach to our Capital Region and Hudson Valley customers. A premier manufacturer of made-to-order windows and doors, Marvin offers unparalleled value with craftsman-quality construction, energy-efficient technology and the industry’s most extensive selection of shapes, styles, sizes and options.

Marvin® Windows and Doors brings its “Built Around You” philosophy to life with every customer and every product it creates.

Marvin Logo Integrity Logo


Marvin Windows: Windows with More than a View

Marvin® Windows have the power to transform the spirit of any room. Each product is made-to-order, one at a time, to your exact specifications – matching your vision. With customization options, exclusive features, and energy efficient innovations, you will be able to find the perfect windows for your next project with Marvin windows. Designed for unprecedented performance and exceptional aesthetics, we offer window options for every style of home in any climate.

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Marvin Doors: Doors that Blur Boundaries

High-quality materials are standard, not optional with Marvin Doors. That’s our starting point because you deserve nothing less than the best. With sliding and swinging patio options, as well as a breathtaking range of expansive scenic doors, Marvin doors offer elegant designs to blur the barrier between inside and out.

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We Measure. We Design. We Install!

Let GNH help you select the right window or door replacement solution for your home with Marvin and Integrity® Windows and Doors! Get the unsurpassed quality of Marvin Windows & Doors combined with the experience of 76 years serving our customers.

Financing Options Available

To learn more about financing options available at GNH, contact us directly at 518-313-1229.

Get new or replacement windows or doors today!


Window replacement is one of the best ways to increase the energy efficiency of your home while improving curb appeal at the same time. According to Energy Star, replacing single-pane windows can save up to $322 a year (or 22%) for an average household in our region…

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