Sliding windows let in more light and make rooms look more spacious. Replacement gliding windows add a contemporary look to modern home designs, but are equally at home in classic architecture. Renewal by Andersen has replacement sliding windows to match your home.

Renewal by Andersen of Knoxville, TN is proud to serve the window replacement and patio door replacement needs of the Knoxville area. We are the window replacement division of Andersen Windows, drawing on the Andersen tradition of over 110 years of quality, innovation and craftsmanship.

Our turnkey process begins with a call from you and includes a respectful in-home sales consultation, custom-manufacturing of replacement windows to precisely fit your home and installation by a dedicated team of professionals. Best of all, we stand behind our products and installation with one of the strongest warranties in the Knoxville window replacement business.

Acclaim & Accolades

Our Showrooms

  • Knoxville

    111 Northview Street
    Knoxville, TN 37919

    Showroom Hours

    Monday - Friday: 8:30 a.m. - 5:00 p.m.
    Saturday: By appointment only

Recent Reviews

What Our Customers Are Saying

Overall Customer Rating
4.6 / 5.0 based on 476 reviews
  • 5

    I am very pleased with my new windows. The installation was seamless and very professional.

  • 5

    Our experience was above our expectations. From the sales experience to the installation, all steps were explained and the staff went above & beyond to help us understand the steps involved. If something did not go as expected, the installers were quick to point out what was going on and what would be done to correct the problem. We had one window (very expensive) which was warped when it came in, and the installers recognized this and pointed it out before the window was installed. If they had installed the warped window, there would have been problems with the window leaking, but they were quick to point out that the window was not up to their standards, sent it back and avoided any additional problems. The installers were professional and cleaned the area each day they were in our home. We had 40 windows to replace so we expected a mess for several days. This did not happen. Each and every installer was very careful and respectful of our home. Another plus was that we were told the windows would make a huge difference in our HVAC bills. Well, we had been told that before when we had to replace our HVAC but couldn't really tell a difference. THIS TIME IT WAS TRUE! From the moment the first few windows went in, we could tell that the house was easier to heat (it was December) and stayed warmer...our experience with Renewal by Anderson was far beyond our best expectations and they were always truthful with us...on the front end of any conversation...not after the fact. We would highly recommend this company!!!!

  • 5
  • 5
  • 5
  • 5

    Overall my experience was great! The workers were friendly and respectful. I was concerned about my dogs getting loose in the installation process but my mind was set at ease. I love my new windows!

  • 5

    The team was very efficient and courteous. I will use Anderson Windows on my future projects.

  • 5

    The installation crew was outstanding. the removal of the old windows and the installation of our new was quick and they look great. the windows are not cheap and that goes for the price and quality. You get what you pay for.

  • 5
  • 5

    I have loved working with your team. So professional and they bent over backwards to help me get furniture put back that I was unable to do myself.

Mobile App

Visualize Your New Windows

See how Renewal by Andersen® windows will look in your home with our visualization application.


Upload photos of your home.


The app creates a 3D model.


Preview, customize and more.

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By providing your e-mail address or phone number above, you may receive an e-mail or text message (depending on what method of contact you provide) that includes a link to download the Hover application, which is a Renewal by Andersen branded application and may be referred to on this page as the visualization application.  By providing your e-mail address and/or phone number, you are agreeing: to receive an e-mail or text message that includes a link to the visualization application, to receive additional e-mails and texts related to the visualization application and/or Renewal by Andersen products and services, to accept the Hover Terms of Use and Privacy Policy, and that you understand that data and text rates may apply and such rates will be solely your responsibility. The e-mail(s) or text message(s) may come from a third party, such as Marlimar Mobile Strategies or any Renewal non-corporate owned affiliate locations. See the links in this sentence for Marlimar’s Terms of Use and Privacy Policy. See the links at the bottom of this web page for Renewal’s Terms of Use and Privacy Policy.  To opt out of receiving communications, text STOP to 96714 or click on the unsubscribe link in any e-mail you receive.  You may opt out/unsubscribe at any time. For additional help, text HELP to 96714.  Support related to receiving a link to the visualization application is currently available Monday through Friday 9am – 6pm eastern time.