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(845) 397-2891
The Most Trusted Replacement Window & Door Company

Full-Service Window Replacement &
Patio Door Installation in Cortlandt Manor, NY

Looking for lasting quality windows made to match your Cortlandt Manor home? Renewal by Andersen serves the area with superior products, expert installation, and quality assurance at every step of the process—and beyond!

Discover the Renewal by Andersen difference for yourself when you contact our team to get started today.

Why Choose Renewal by Andersen?

Energy efficiency.

Exclusive to the Andersen® family of products. Fibrex® material frames and your choice of energy efficient glasses keep your home cool and comfortable.

Lasting performance.

In any style, Renewal by Andersen® windows are built to last with durable, functional components.

fibrex chart

Unique Style.

You can custom-design a window yourself with the help of an expert to match or renew the look of your house.


Regardless of window type and style, windows made with Fibrex® material showcase more of your view with narrower frames and larger panes of glass than vinyl windows.

Your Home. Your Style.

At Renewal by Andersen, our window contractors are dedicated to taking full ownership over every stage of your Cortlandt Manor home window replacement. To ensure quality and consistency, we own the entire replacement window process from design to installation.

It all begins with an obligation-free, in-home design consultation and home energy analysis. Your dedicated design consultant helps you develop a project plan for your ideal replacement window in terms of style, durability, function, and interior temperature control. Then, an install project manager and installation team will help you start enjoying your new window sooner than you think—and for years to come!

Browse our galleries for inspiration, then contact us today to design and install your ideal home improvement.

Renewal by Andersen Serves Cortlandt Manor and the Surrounding Westchester Area

We’re serving the Cortlandt region with lasting quality patio door and window installation. Our window installation team in dedicated to simplifying every step of the process to deliver lasting, beautiful home improvements—in every season without wearing down over time. Learn more with an obligation-free consultation today!

  • Crompond
  • Buchanan
  • Bedford Hills
  • Katonah
  • Peekskill
  • Montrose
  • Woodybrook
  • Yorktown Heights

Build Better Views

Whether your chosen style is more modern or historical, we can guarantee you’ll get more out of them with Renewal by Andersen windows and patio doors. That’s because our windows are made with revolutionary Fibrex® material frames—which are narrow enough to bring in plenty of light while they’re also strong enough to keep you home well-lit yet comfortable in every season. Our patio doors, too, are proven to hold up in any environment without skimping on the widest possible view, so start framing your favorite New York scenery today!

Energy Efficient Custom Patio Doors in Cortlandt Manor, NY

In addition to windows, Renewal by Andersen provides custom patio door installation! Available in a range of colors and styles to match or complement your house windows, patio doors by Renewal by Andersen protect your home from the outdoors while also offering easy access to them for years to come.

Try a contemporary sliding glass door for a modern look to let in plenty of light, or complement a historic house with a standard French patio door. Every style offers a unique look, but with the same built-in quality to allow easy access to your hard or patio in any season.

Schedule your in-home consultation to start improving today!

Renewal by Andersen Signature Fibrex® Material

Fibrex® frames are completely saturated with color during manufacturing, so you never have to worry about paint cracking or flaking off.
All Renewal by Andersen windows are also guaranteed to function just as well as the day they were installed, so frames will never expand or bow.
Made from 40% recycled wood fiber by weight, Fibrex® provides the strength of wooden windows with the versatility of vinyl.
The unique blend of Fibrex® material allows your windows to be supported by narrow frames for a wide, sleek glass area.

Get in Touch with Us

Call Renewal by Andersen Westchester to schedule your in-home consultation today. Our professionals are committed to simplifying every step of the process, so you can enjoy your new home improvement sooner than you think. Contact us to learn more about our hassle-free, 4-step process.

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