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Gentek Double Hung Windows in White with grids

Classically styled and powerfully built, Gentek windows are backed by more than three decades of window manufacturing expertise. Pride in our products and craftsmanship are at the heart of our commitment to quality. It’s what makes our windows among the best in the industry – and our service second to none.

Vinyl Replacement Windows
The Gentek  family of vinyl replacement windows is built on time-honored craftsmanship and a commitment to quality and innovation. Backed by decades of manufacturing expertise, our windows are designed for the highest levels of performance, beauty and value.
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Patio Doors
With clean lines and attention to detail, Gentek sliding patio doors allow a generous infusion of natural light into your home’s interior, creating a cheerful and inviting ambiance.
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New Construction Windows
Gentek new construction windows are precision-engineered for enduring beauty and performance. These masterfully styled windows offer a variety of design solutions to meet the ever-changing aesthetic, architectural and budgetary needs of the new construction professional.
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Portfolio Color Collection
Achieve the distinctive beauty of custom-crafted windows and patio doors without the maintenance. Our innovative color collection lets you add rich hues and warm woodgrain finishes for a luxurious appearance – both inside and out.
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Woman looking out window drinking coffee
Insulated Glass Packages

For even greater energy savings, choose Gentek windows with the BarrierXP® insulated glass package. Choose the correct package for your home to meet the latest ENERGY STAR® requirements. 

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