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

    1828 Midpark Rd Suite G
    Knoxville, TN 37921

    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 509 reviews
  • 5

    The 2 windows we had replaced are beautiful and work great. The company was easy to work with and delivered what the promised. We are very happy to have worked with RenewalbyAndersen and we are pleased with their work and would recommend them to others.

  • 5
  • 5

    Service people need to call when not on time it can cause a problem it should not say the check has to be in hand when they walk in the door.

  • 5


  • 5

    Beautiful high quality patio sliding glass door. Easy and smooth process, highly professional every step of the way. Will definitely have them back again for our window needs soon.

  • 5

    We gave a 5 stars to the workers They were very professional, clean and very nice. Our problem was with the lack of scheduling a back up plan in case of an emergency. On the second day nobody showed up. When we called we found out that one of the workers was ill-which was very unfortunate. Apparently there was NO plan on sending someone to keep the job going that day. it was very frustrating. They did send a crew. Eventually the job got done that week!. I love my windows. This is the only problem we had. Still I would highly recommend Renewal by Andersen.

  • 5

    Outstanding salesman He really knows the product and choices. Installers were very professional, courteous Great teamwork Windows look GREAT!!!!! Very Happy we chose Renewal by Anderson Definitely earned 5 stars

  • 5
  • 5
  • 5

Mobile App

Visualize Your New Windows

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


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The app creates a 3D model.


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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.