Energy Data

This tool provides some of the most common options on windows and doors and related NFRC values. For more information about the energy efficiency of specific products and options, please contact your local Marvin sales representative.

See Energy Efficient Windows and Doors for further information on this topic.

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Want to learn how to make your home more energy efficient? We've got you covered...

Want to learn how to make your home more energy efficient? We've got you covered. http://bit.ly/NxnlXN

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