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 411 reviews
  • 5
  • 5
  • 5

    From beginning to end the process was superb. The difference new windows made in our bedroom was remarkable. The temperature in our bedroom has gone down and no more faded carpet. The installation crew was prompt and very professional. We love the Renewal products and plan to replace more windows in the next few months. We highly recommend Renewal to anyone considering window replacement. My husband and I are excited to show our neighbors the changes that we have made, Thanks Renewal !!!

  • 5

    Looking forward to next year for your business of installing a front door. Thank You.

  • 5

    We knew we needed replacement windows and began the search by having window companies come out, look at them and give us quotes. We received our estimate from Renewal by Anderson (and although the initial reaction was shock- these windows are NOT cheap- in quality or cost). We talked it over and chose them to replace 22 windows in our home. The process was made as painless as possible with smooth, reliable service, professionalism, and expectations met and/or exceeded throughout the entire interaction. The salesman Steve was excellent, friendly and willing to answer all of our questions. The installation team led by Jesse was professional, neat and respectful throughout the time they spent in our home. I have shared the experience with all that will listen and would not hesitate to have future projects installed by this same team.

  • 5
  • 5

    The team that did the installation was very professional and clean. I'm an ex construction worker and was very pleased with their work.

  • 5

    Every aspect from ordering the replacement windows, to their final installization could not have gone any better. Helping to give my sunroom a new look with a new design window was exactly what I was looking for. The installers were professional, extremely clean and worked together like a well oiled machine. No time wasted from arriving at my home. The phone calls from the corporate office to check on the progress daily, to the crew calling to say they were on their way, and to the sales rep. coming personally to check the project. I absolutely cannot say enough about my experience with Renewal by Andersen!!

  • 5

    Great team work was done on time .Makes my home look new again.Will use again .

  • 5

    Very satisfied with our windows. Very professional salesman & representatives.

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.