2013 Most Efficient Applications Available

January 16, 2013

For ENERGY STAR® partners, the EPA has released application forms to become listed in the 2013 Most Efficient program for residential windows. To research the EPA’s requirements needed to apply and to download the application form, you can visit the EPA website

If you find that your most efficient window products do not meet the qualifying conditions for U-factor and solar heat gain coefficient, we can help you configure how to reach the highest performance for your window design. For more information, contact your Quanex representative. We’ll continue to keep you posted as we learn more. 


Eric Jackson
Director of External Affairs
Download the Quanex Building Products – 2013 Most Efficient Applications Available