The Department of Energy (DOE) and the Environmental Protection Agency (EPA) have developed an ENERGY STAR® designation for a host of products, including windows and doors, that meet certain energy performance criteria. Learn more energy saving tips at www.energystar.gov.

The National Fenestration Rating Council (NFRC) is a nonprofit, public/private organization created by the window, door, and skylight industry that has developed a window energy rating system. The NFRC label provides window and door energy properties for easy comparison Products which are certified to the NFRC standards carry the NFRC label, which provides the specific energy properties for your windows or doors. Check out more at www.nfrc.org.

You can access information about performance, certification, installation, and the maintenance of window and door products at www.aamanet.org.

You can access information about egress requirements at www.egressescapewindows.com.