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60+ Locations Nationwide & Growing

The Window Source

The Window Source believes that local family-owned businesses, supported by industry leaders with more than 40 years of operating experience, are an ideal combination for a company that values providing high-quality customer service, exterior home-improvement products at the best prices possible.

About Us

The Window Source of Western New York

Window Installation and Replacement in Western New York

The Window Source is your go-to provider of new and replacement windows in Western New York. From sliding glass doors to windows, our expert team can help you choose the right option for your home and get them installed in WNY

Installing New Windows, Siding & More in

  • Buffalo
  • Amherst
  • Williamsville
  • Eggertsville
  • Clarence Center
  • Kenmore
  • And More!

The Window Source Products

Quality Products For Every Home

Count on The Window Source of WNY for Replacement Windows That Last

Nobody wants to be in a situation where replacement windows are needed, but it happens. At The Window Source of WNY, we understand how you feel and work hard to get things back in order fast for you. We respect your time and home when we install a new bay window, awning window, or casement window to replace a broken or drafty one. As a premier window replacement company in Western New York, we offer only the highest quality replacement windows. We can also install new home windows for new homes in the area. Whether you want a set of picture windows or a single sliding window, we can make your dream a reality.

Custom Entry Door Installation and Quality Windows in Western New York

Custom windows aren’t the only service offered by The Window Source of WNY. While you have a bow window installed at your home, our technicians can also install new patio doors or swap out your entry door for something that appeals to you more. Have a garden window added to your space and swap out your vinyl siding for something more attractive at the same time. We offer all these services to meet your needs. We work to ensure the products and services that you need for your home. We’ll consider your budget, style preferences, as well as what windows work best in Western New York weather. Whether you need replacement or new “windows near me”, we’ll give you modern options in custom sizes that look great on your property.

Enjoy Quality Types of Windows Using The Window Source of WNY

Enjoy modern replacement windows, new patio doors, vinyl siding, and more when you chose The Window Source of WNY. We’ll help you find the right style to fit your home and make it noticed by everyone who visits. Contact us today if you have questions or would like to set up a free consultation for new home windows.

The WIndow SOurce Presence

Trusted With Homeowners Across The U.S.

Find your local Window Source location and experience why thousands of homeowners trust us with their most important investment.
  • "“The company to use if your needing window replacement, Fair pricing and honest fast work.”
    Tom R.
    Georgia
  • "Fantastic Company and true to their word! The crew was so professional and polite. We had our entire house of windows done and it only took 2 days..."
    Jennifer R.
    New Hampshire
  • "We had all the windows and the front and back exterior doors replaced in our home. It could not have gone more perfectly. The owner and the crew were all super nice and did a superb job. Very happy customers!!"
    Becky D.
    Oklahoma
  • “Excellent service, product, and less than half the price of the other 2 estimates I had. Installer cleaned up after himself and was very professional.”
    Ian G.
    Oklahoma
  • “Quality windows at an affordable price. Love our windows! Talked to several companies, but The Window Source offered top notch windows at the best price. Sales and installation crew were very nice, knowledgeable and professional. They did a great job.”
    M.K.
    Oklahoma

Window Source Q&A

Is it worth it to replace my windows?

Older windows are notorious for being leaky and inefficient. At The Window Source, we are constantly improving our technology to be more energy efficient. Installing new windows can realize up to an 80% return on investment when you sell your home. Coupled with the savings you’ll see on your energy bill, the cost of window replacement can often be quickly offset.

How do I know when to replace my windows?

Anytime you notice damage on your windows, it is a good time to have them looked at by an expert. Damage can be caused by water, insects, and father time. Your old windows ar inefficient, unattractive, and can cause damage to your home, call our experts today!

How much will it cost to replace my windows?

The best way to determine the cost is to contract a professional and receive an in-home estimate. At The Window Source, our estimates are FREE to you.

What types of payment methods and financing do you offer?

We offer a variety of payment methods and financing options. Please contact us to hear our options.

What Warranty do you offer?

Lifetime Warranty - All Window Source products come with a limited lifetime warranty. You will have peace of mind knowing that you will only make this investment in your home once. Ask your window consultant for details.

The Window Source Difference

More Than Just Windows, Doors, and Siding

The Window Source difference goes beyond premium products and professional installation. We're committed to delivering an exceptional experience from start to finish, backed by the resources of a national brand and the personal touch of local ownership. When you choose The Window Source, you're choosing a partner invested in your home's long-term performance and your complete satisfaction.
FIND YOUR LOCATION

The Window SOurce Locations

Ready to Transform Your Home?

With 60+ locations across America, there's a Window Source near you ready to provide a free, no-obligation consultation and estimate. Each location is independently owned and operated by professionals who live in your community, backed by the training, support, and quality standards of our national brand. Connect with your local team today and experience the Window Source difference.

  • Energy Efficiency Experts - We help you choose products that reduce energy costs and improve home comfort while qualifying for available rebates and tax credits.
  • Comprehensive Product Selection - From traditional to contemporary styles, we offer hundreds of options in windows, doors, and siding to match any home.
  • Local Accountability, National Backing - Your local owner is invested in your community's reputation, supported by the resources and standards of a national organization.
Get A Local Estimate