Window Replacement, Siding, Doors, & Sunrooms in Knoxville & Chattanooga


We sell and install only the highest quality replacement windows available in the marketplace today with Infinity by Marvin (Ultrex pultruded fiberglass frames) and ProVia Windows.

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Installing energy-efficient doors will save you money on heating and cooling costs, improve interior comfort, and increase the value of your home. One of the main ways to lower your cooling bill and your summer energy costs

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CRS Exteriors offers quality exterior siding options from Everlast and James Hardie, as well as vinyl siding.

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Window Replacement

With over 50 years of experience, CRS Exteriors improves your East Tennessee homes with new siding, doors, and replacement windows. Offering a full choice of windows and doors, CRS Exteriors brings precision work, decades of experience, and quality products to your East Tennessee home. We understand that buying a home is one of the largest investments you can make, so we pride ourselves on raising the value of your homes by improving its energy efficiency and curb appeal with our replacement windows.
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Sunrooms, Screenrooms & Enclosures

Enjoy the outdoors inside! Sunrooms by CRS Exteriors allow you to enjoy the sights, sounds, smells, and the feeling of being outdoors from within your Knoxville home with a sunroom!

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Sales staff knowledgeable and answered all our questions. Installers efficient and professional. Late arrival due to unforeseen circumstances. Work promised for the day completed regardless work site left clean. Showed respect for our property. Made sure we understood window function before leaving.

– Edward E.

Very good product. Excellent installation. Love my Marvin windows. Very well. All windows were measured perfectly. One door turned out too narrow and they returned with a new door and replaced it. Great experience!

– Michael F.

I had 7 new windows replaced. They did a great job overall. They arrived promptly, did the work and cleaned up afterwards. There were no problems. The windows look great, the blinds were reinstalled and fit perfectly. I would definitely use them again. I wish I could replace the rest of my windows and use them.

Sheila F.

CRS replaced 4 windows today. Two years ago we had them replace 7. The Marvin Infinity windows are amazing. The company is professional, the office staff is super helpful and the installers are the BEST!!! no problems. We have 7 more windows that need to be replaced. We will definitely be using CRS.

– Patty Y.