In a typical residential or commercial building, about 42 percent of energy is lost through the building envelope, says Energy Secretary Steven Chu. The new initiatives will help bring affordable technologies to market that address opportunities for improved building performance and cost savings, he says.  Full article:

http://www.ecohomemagazine.com/news/2013/01-january/doe-to-fund-development-of-new-high-performance-products.aspx?utm_source=newsletter&utm_content=jump&utm_medium=email&utm_campaign=EBP_010813&day=2013-01-08

Part of my 2013 resolution is to champion SIPS (structural insulated panel system), thermally insulated windows, and in-floor heat.  If we can make the best built building envelope up front, we are already saving money for the long run.  Sustainablility!