http://www.metaefficient.com/heating/efficient-floor.html The Guide To Highly Efficient Things Thu, 18 Mar 2010 22:26:30 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://www.metaefficient.com/heating/efficient-floor.html/comment-page-1#comment-1197 San Ortega Sat, 11 Mar 2006 14:53:16 +0000 http://s31669.gridserver.com/?p=650#comment-1197 Stone also gets colder at night, doesn't it? Stone also gets colder at night, doesn’t it?

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