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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The journey is complete! Marvin is proud to be a sponsor of the 2014 Capitol Chr...

The journey is complete! Marvin is proud to be a sponsor of the 2014 Capitol Christmas Tree, which has finally arrived at its home in Washington, D.C.! http://track.capitolchristmastree.com/#/