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Windows by Gentek

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

    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.

  • Patio Doors

    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. A wide array of door styles, colors, decorative glass, grids and handle options will let you achieve the ideal look for your home.

  • New Construction Windows

    New Construction Windows

    New Construction Windows are precision-engineered for enduring beauty and performance. These classically styled windows offer a variety of design solutions to meet the ever-changing aesthetic, architectural and budgetary needs of the new construction professional.

  • Insulated Glass Packages

    Insulated Glass Packages

    For even greater energy savings, choose Gentek windows with the BarrierXP® insulated glass package. BarrierXP combines multi-layer low-emissivity (Low-E) glass and argon gas, along with the PPG Intercept® Warm-Edge Spacer System, to achieve outstanding energy savings. Many BarrierXP glass packages meet the latest ENERGY STAR® requirements. Consult your window professional for the optimal glass package required for your home and climate zone.

  • Portfolio Color Collection

    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.

  • Quality


    Gentek windows are made to be long-lasting, high-performing and technically superior. To prove that each window achieves all of these goals, Gentek seeks verification from independent testing and certification agencies.

  • Partners


    Gentek is commited to engineering and manufacturing the highest quality windows, and continually researching and developing innovations that will continue to place Gentek at the top of the industry.

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