It's not such an absurd question. After all, ecoSmart windows can save you a bundle on heating and cooling your home. Less energy consumption means lower greenhouse gas emissions in our atmosphere. And that means a better quality of life today and for generations to come. Built to last a lifetime with sustainable manufacturing practices and materials, the glass in our triple-pane windows is over nine times more energy efficient and offers more than five times the insulation of single-pane windows. Look through our latest line of energy-saving windows and doors. You'll see what makes them the best windows for your home and the most responsible choice for the environment.