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The Most Trusted Replacement Window & Door Company

Quality Window Replacement & Patio Door Installation in Stamford, CT

We’re Stamford’s source for lasting replacement windows and patio doors! Renewal by Andersen® products are built to last in all seasons of Connecticut weather, while our door and window contractors ensure a perfect match and fit within your unique home. Learn more about our full-service window replacement and patio door installation, then contact our Stamford team today!

Learn more when you contact us to schedule an obligation-free consultation and energy analysis for your Stamford, CT area home!

Why Choose Renewal by Andersen?

Energy efficiency.

Fibrex® material frames seal in any window opening to totally weatherproof your home’s interior.

Lasting performance.

In any style, Renewal by Andersen® windows look and function for years just as well as the day they were installed.

fibrex chart

Unique Style.

Customize a window style to match the look of your home from the inside out. Add a grille for a more classic look or match a modern home with a clear view!


Regardless of window type and style, our windows provide a better view than standard vinyl windows—framing larger panes of glass with narrow Fibrex® material frames.

Renewal by Andersen® Full-Service Window Replacement

At Renewal by Andersen Stamford CT, there’s a dedicated window specialist to take ownership over every stage of your new home window.

Every door or window installation kicks off with a comprehensive, in-home design consultation and energy analysis. Your dedicated design consultant helps you develop a project plan and answers all of your questions. 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 get started. Our team is happy to help you decide on your new home improvement!

Renewal by Andersen Serves Stamford and the Surrounding Connecticut Region

Our team is serving the Stamford, CT area with lasting quality patio door and window installation. Renewal by Andersen window contractors simplify 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!

  • Darien, CT
  • Greenwich, CT
  • Hartsdale, NY
  • Scarsdale, NY
  • Rye Brook, NY
  • New Canaan, CT
  • Port Chester, NY
  • Norwalk, CT

Get The Most Out of Your View

Regardless of your establishes home window or door style, you’ll be making the most of your Stamford view with Renewal by Andersen. 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. Even in functional styles, you can enjoy a wide view without risking energy efficiency on top of multi-year, regular use!

We Offer Durable Patio Doors, Too!

As the area’s premier window company, Renewal by Andersen also custom-manufactures and installs patio doors! Select one of three styles, then use a wide range of custom options to customize it to you. No matter what style you choose or how you design it, your patio frames the outdoors beautifully while it keeps outdoor elements out!

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.

Contact a design consultant to start improving your Stamford, CT home 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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