Why The Window Source?

There are lots of window replacement companies in Knoxville that will give you the spin and charge you more than you have to pay. We believe you are smarter than that. You deserve straight talk. You deserve up front pricing. That’s exactly what you’ll get at The Window Source.

Fields marked with an * are required

Get A Price

How Many?

*We wouldn’t ever share your information! Not even if someone tried to bribe us with a new Ford truck!

Our Replacement Windows & Doors:

The Best Window Replacement Company in Knoxville

  • “Bob is customer service oriented. He listens to the clients needs and has years of knowledge and experience in the building material industry. He is a trusted source for your window needs.”

    Deborah S.
  • “The Window Source offered great prices, a low pressure presentation, and a really nice window. Bob and his crew did an excellent job!”

    Kevin P.
  • “After marathon sessions with two other companies, Bob came out and listened to what I was asking for, made a couple suggestions, then demonstrated the quality of his window, company, and installation process. His price was great so I went with him, all in under one hour.”

    Dave P.
  • “Can’t say enough about Zach & crew, they did a great job installing our windows and Bob was very easy to work with. The whole process was much easier than we had imagined, wish we had done it sooner.”

    Darryl T.
  • “Working with The Window Source is easy, prices are better than expected and the crew was in and out in one day. We loved the customer service and would definitely recommend Bob at The Window Source to our friends and family. Thanks again Bob!”

    Tony H.

5 things you should know about the window business

Why Wait?

With our make-it-easy payment plans you could have new windows in your entire home for just $40/month! Simply click the apply button below to connect with our home improvement financing partner, Home Improvement Loan Pros.

Home Improvement Loan Pros

Find out how you can get $800 off your windows

The Tennessee Valley Authority (TVA) is giving you the opportunity to save big with an $800 rebate on your new windows. All of our windows meet the TVA requirements for the rebate—all you need to do is tell us more about your project and you’re on your way to new windows for less!

Our Mission

believes that buying windows shouldn’t be complicated. We believe in giving you the facts, without all of the hype. And we believe that by selling windows for a fair price, we will become the most successful company in .

We are a family company, backed by a national brand. This gives us the flexibility to work for our customers how we see fit, and gives you the confidence of knowing that you’re getting a proven product.

Ask a Question

Fields marked with an * are required