National Fenestration Rating Council (NFRC) administers a voluntary window rating/labeling program to produce window ratings that can be directly compared due to identical evaluation procedures. For more information click on the logo, or go to www.nfrc.org
Energy Star® is a partnership/program between the U.S. Department of Energy and manufacturers of windows, doors and skylights designed to help consumers identify energy efficient products. For more information about the $200 energy tax credit for 2009/2010 click on the logo or go to www.energystar.gov
American Architectural Manufacturers Association (AAMA) is the source of performance standards, product certification and educational programs for the window, door and skylight industry. www.aamanet.org
Efficient Windows Collaborative (EWC) is a coalition of window, door, skylight, component manufacturers, research organizations, federal, state and local agencies, and others interested in expanding the market for high-efficiency fenestration products. For more information click on the logo, or go to www.efficientwindows.org
All Seasons meets or exceeds some of the strictest testing standards in the industry. We use independent testing laboratories to test our products, independent plant inspections, and meet AAMA window standards. Below is the link to our most current information in PDF format so it is easily printed.