DOE - Active Solar HeatingFrom the EERE Energy Savers pages.
Space Heating for Commercial BuildingsFrom the Florida Solar Energy Center at the University of Central Florida.
Space Heating with Active Solar Energy SystemsFrom North Carolina State University.
In 2008, Americans across the country voted for change. That change included transforming our century-old dependence on fossil fuels. Central to this makeover was the American Recovery and Reinvestment Act of 2009 (ARRA).
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