Friday, March 16, 2012

Energy Efficiency in Historic Buildings

The National Park Service has published a new Preservation Brief about improving the energy efficiency of historic buildings. Check it out here!
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1 comment:

  1. ucasJune 18, 2012 at 4:38 AM

    Wonderful blog & good post.Its really helpful for me, awaiting for more new post. Keep Blogging!


    Newcastle

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