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  • Why Windows Matter
    • Save Money
    • Control Comfort
    • Natural Light
    • Cut Condensation
    • Protect Your Art and Furniture
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  • Understanding Windows
    • Types and Parts
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Try the Window Selection Tool
  • Why Windows Matter
    • Save Money
    • Control Comfort
    • Natural Light
    • Cut Condensation
    • Protect Your Art and Furniture
    • Block Street Noise
    • Financing and Incentives
  • Understanding Windows
    • Types and Parts
    • Window Ratings
    • Assessing Options
    • Choosing Windows
  • Additional Resources
    • Standards and Design Guidance
    • Window Buying Guide
    • Rating Systems and Tools
    • Allied Organizations and Efforts
    • Commercial Windows
    • Glossary
    • FAQ
    • Blog
Try the Window Selection Tool

How to Buy New Windows

by Matt Mossman | March 16, 2023
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About Us

provides unbiased information and education to the public on the energy efficiency, technical, and human considerations that influence window selection and use. The EWC collaborates with allied organizations, educational institutions, and government agencies that promote energy efficiency in residential windows. We do not sell, service, install, or recommend products, or endorse manufacturers. Descriptions and specifications of the products in the Window Selection Tool are provided by the manufacturer. The EWC is not liable for any manufacturing defects or inaccurate product descriptions and specifications and does not guarantee the performance of NFRC-certified windows, doors, and skylights.

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ewc@nfrc.org
National Fenestration Rating Council
6305 Ivy Lane, Suite 410
Greenbelt, MD 20770
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