What Makes Renewal by Andersen Replacement Windows The Most Energy Efficient for Your Home?

Renewal by Andersen is synonymous with the words quality and energy efficient. But what exactly makes them different from other window manufacturers and why should you invest in them? Renewal by Andersen replacement windows not only look high-quality but they are built to withstand the test of weather and time, all while saving you money year over year in energy bills. By far the most popular replacement window brand in the country, Renewal by Andersen uses a proprietary composite material using real wood particles called Fibrex® – providing you and your home with replacement windows that deliver long-lasting quality and durability. This industry-exclusive material separates Renewal by Anderson from the rest of the wide world of windows. Read more to find out what makes Fibrex and Renewal by Andersen replacement windows perfect for your next home improvement project.


Fibrex is a composite material made exclusively for Renewal by Andersen replacement windows. Vinyl is historically known to crack and bend, so by investing in a higher-quality material, you save money over time by not having to replace your windows as often. Fibrex material never needs to be scraped or painted, and the material blend means it won’t ever rot, decay or mold. Low maintenance and long-lasting – that’s a winning combination! 


You’ve heard before that Renewal by Andersen replacement windows are known for their energy efficiency. But how much can you save by installing them? Add up your energy bill over the course of the last 12 months and slash that by 25%. Energy efficient windows not only save you money but your home stays at a consistent temperature all year long. Cozy? Check. Comfortable? Check. Lower Energy Bill? Double Check! 

Fibrex is not only stronger than vinyl, but it is also more narrow than vinyl – giving you the long-lasting durability that Renewal by Andersen is known for as well as a larger window landscape that will deliver incredible natural light. The extrusion process with Fibrex also allows for your windows to be crafted to any shape. Add a generous palette of colors to choose from and the sky’s the limit with how you want your new windows to look. 

Convinced yet? Give us a call to discuss your next window replacement project – Engstrom’s Siding and Window has experts ready to take your home from drab to fab with a Renewal by Andersen replacement window upgrade.