Senior research engineer Dr. William Miller of the Building Envelopes Research Progam at Oak Ridge National Laboratory presents four homes built to study high-efficiency lighting, water-to-air and water-to-water heat pumps, Energy Star appliances, reclaiming heat from gray water and other techniques.
Taped August 8, 2009 at the Illinois Renewable Energy Association's Eighth Annual Illinois Renewable Energy Fair in Oregon, Illinois.
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