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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 Southern Illinois

Window Installation and Replacement in Southern Illinois

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

Installing New Windows, Siding & More in

  • Jeffersonville
  • Fairfield
  • Hubbard
  • Cisne
  • Sims
  • Wayne City
  • Merriam
  • Johnsonvillve
  • And More!

The Window Source Products

Quality Products For Every Home

Superior Window Replacement and New Home Window Installation in Southern Illinois

When you need new or replacement windows in Southern Illinois, The Window Source of Southern Illinois is here to help. We offer a wide range of windows in different sizes and styles to meet the needs of your home. As a top window replacement company, we provide double-hung windows, energy-efficient windows, and other items like premium patio doors. With energy-efficient windows, homeowners can enjoy a beautiful aesthetic, durable windows, and the peace of mind of not letting cold or hot air into the home. Choosing garden window installation or a new tight-fitting front door installation can shave dollars off of your energy bill while giving you all the other benefits of new home windows and doors.

Replacement Windows, New Patio Doors, and Vinyl Siding in Southern Illinois

The Window Source of Southern Illinois has a variety of windows to choose from. Add a new basement window, install an awning window, or choose a bay or bow window to transform your space. We also offer the installation of patio doors as a bridge from the indoors to the outside. These doors provide an unobstructed view of nature, the backyard, or whatever else is beyond your home. New entry door installation is also available, as is home siding installation. If you’re getting tired of the color of your vinyl siding, we can replace it with something more appealing. Remove the old, stained siding and choose a color that sparks joy when you look at it. The Window Source of Southern Illinois has all the services needed to update your home.

Try Exceptional Quality Replacement Windows and Doors in Southern Illinois

Whether you need patio doors, entry doors, replacement windows, or new siding, The Window Source of Southern Illinois can help you. Get in contact with us today to learn more about our many products and services. We can set up a consultation to work with you to find the perfect new home windows and doors for the future.

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