Renewal by Andersen® Replacement Windows in Kansas City! Welcome to the official website of Renewal by Andersen of Kansas City. Here you will learn all about our full line of top quality Renewal® replacement windows and patio doors. Our factory-trained staff is deeply experienced and fully certified in the installation, design, and repair of Renewal® by Andersen products. This gives us access to a wide selection of the highest quality replacement windows and doors on he market. And thanks to the continued innovation of the national Renewal by Andersen® brand, we are constantly on the cutting edge of replacement technology. The latest advances in window and door design have moved beyond wood or even vinyl. Fibrex™ is the new leading choice for strength and energy efficiency, and it is exclusive to Renewal by Andersen®. With a Fibrex™ window you can mimic the look of wood, vinyl, and other window materials without having to worry about the constant maintenance and repairs that such materials require. When you need to replace windows or patio doors, you want to just get it done and not have to worry about replacing them again for years down the line. When you choose top quality Renewal® Fibrex™ windows from Renewal by Andersen® of Kansas City, you’ll choose the last windows you’ll ever need.