Energy-efficient windows, doors, and skylights—also known as fenestration—can help lower a home's heating, cooling, and lighting costs. Learn about the energy performance ratings to consider when selecting windows, doors, and skylights, and how to maximize their energy efficiency in your home.
Whether you're a professional home performance contractor or a do-it-yourself homeowner, learn five simple steps for making your windows more...Learn More
Tips and Advice
Rebates & Tax Credits
Federal tax credits for efficient residential windows, doors, and skylights expired at the end of 2016. If you made these improvements in 2015 or 2016, file form 5695 with your taxes to claim the credit. Learn more about the tax credits and find state or local incentives.