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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 Mankato

Serving the Mankato, MN, Area, Including New Ulm, Owatonna, Faribault, St. Peter, and Le Sueur

The Window Source of Mankato provides the best deals on new and replacement windows, entry and patio doors, and siding to people in Southern Minnesota. Since we are locally owned and are your neighbors, we take pride in offering our devoted customers a delightful, uncomplicated shopping experience from beginning to end.

Installing New Windows, Siding & More in

  • Mankato
  • North Mankato
  • New Ulm
  • Albert Lea
  • Owatonna
  • Faribault
  • Lake Crystal
  • St. Peter
  • Le Sueur
  • Eagle Lake
  • And More!

The Window Source Products

Quality Products For Every Home

Trust Us for New and Replacement Windows in the Mankato Area

Your windows might need to be replaced if they are drafty or lose their seal. For double-hung windows, casement and awning windows, garden windows, and more, we provide energy-efficient options. These are the best methods for preserving your home’s comfort for many years to come.

You can put in a bay window, casement window, garden window, or awning window, depending on your specific needs. Our windows can be custom-made in any size to fit your home exactly, no matter what your overall design vision. Additionally, they will be measured, built, and installed by our skilled experts.

If you’re unsure about the right windows for your home upgrade, The Window Source of Mankato has in-house designers who can help.

We Also Feature a Full Line of Entry & Patio Doors and Siding

In addition to installing new windows for homes, we also provide a comprehensive range of other home renovation goods. We have magnificent siding options that will give your home structure and beauty, and we can build and install entry doors and sliding patio doors of any size and style.

Our entry and patio doors, and siding alternatives are the ideal choice if you want to offer your house a new appearance, a unique design, and improved style.

Find Out More at The Window Source of Mankato

The windows and doors from The Window Source are made with sturdy frames, weatherstripping, and premium, energy-efficient components. Our Mankato team offers market-leading installations and solutions that save your home’s energy bills and boost the curb appeal of your property.

Is it time to modernize the external style of your house? Start by setting up an in-home estimate appointment by contacting The Window Source of Mankato. We can give you more information about the products we sell, the set-up procedure, and the guarantee. To begin installing your new windows, doors, or siding, get in touch with us right now.

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