Many of our window and door models have earned the prestigious Green Seal certification. Products earning Green Seal certification are recognized for saving energy compared to traditional windows and doors. They are environmentally preferable because they are manufactured using quality control practices. These certifications reflect the high levels of performance and quality as well as other Green Seal standards pertaining to: Material extraction Manufacturing processes Usage Recycling/Disposal Products earning a Green Seal Save energy compared to traditional windows and doors Have a lesser adverse impact on the environment Are manufactured using quality control practices Andersen and Gorell manufacture products that meet Green Seal energy efficiency requirements, are manufactured and packaged in a consistent, environmentally responsible manner, and are certified by Green Seal, an independent, nationally recognized non-profit green organization based in Washington, D.C.        Contact one of our sales associates for more information.