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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 Chicago

Window Installation and Replacement in Chicago

The Window Source of Chicago is your trusted provider for new and replacement windows in the Chicago area. Whether you need sliding glass doors or energy-efficient windows, our expert team will help you find the perfect fit for your home and ensure a seamless installation in Chicago, IL.

Installing New Windows, Siding & More in

  • Chicago
  • Naperville
  • Aurora
  • Downers Grove
  • St. Charles
  • Elgan
  • Crystal Lake
  • Hinsdale
  • Oak Brook
  • Clarendon Hills
  • Glen Ellyn
  • Burr Ridge
  • And More!

The Window Source Products

Quality Products For Every Home

Upgrade Your Chicago, IL, Home with Stunning Replacement Windows

Older homes in Chicago have a unique charm, but aging windows can impact both comfort and efficiency. That’s why The Window Source of Chicago offers custom replacement windows designed to enhance your home’s energy efficiency and curb appeal, no matter its age. We specialize in both new and replacement windows, ensuring that every opening in your home is covered. Whether you need a new basement hopper window or want to upgrade to energy-efficient windows that help lower utility costs, our expert team is here to help.

Beautiful, Energy-Efficient Windows with Professional Installation

Much like other home upgrades such as new siding or sliding doors, window replacement is a process that requires careful selection and expert installation. The team at The Window Source of Chicago will guide you in choosing the perfect windows for your home, whether it’s an awning window, bay window, bow window, garden window, or another style. While selecting the right windows is important, proper installation is just as crucial. With years of experience, our skilled professionals ensure seamless installation for homes throughout the Chicago area—no project is too big or small.

Expert Installation of Patio Doors, Entry Doors, and More

Windows play a vital role in your home, but The Window Source of Chicago also specializes in patio doors, custom entry doors, and more. Whether you’re looking for patio door installation, sliding window replacement, or an upgraded entry door, we have the expertise to deliver high-quality results. When you’re searching for “replacement windows near me,” remember The Window Source of Chicago. Contact our team today to explore your options and enjoy beautiful new windows and doors sooner than you think.

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.
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