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Gentek Double Hung Windows in White with grids

Architectural Precision from Every Angle

Superb form and function – along with a contemporary sensibility – make Gentek vinyl windows and patio doors an excellent choice for your home. Each style is expertly engineered for energy efficiency, enduring strength and classic beauty, along with ultra energy-efficient glass packages for ENERGY STAR® certification in all climate zones.

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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