December 7, 2022

American homeowners are reducing home energy bills by up to 25% by installing certified, high-energy-performance doors and windows. As they do this, they are improving the curb appeal and market value of their homes. Keep reading to learn everything you need to know about door and window energy performance. What Is Energy Performance? The extent to which a door or window keeps your home warm or cool is its energy performance. But where do the energy ratings come from? The National Fenestration Rating Council (NFRC) is the body entrusted by