Here is a close-up shot of a clever feature in the WaterShed house to reduce the cooling needs. The house features an indoor waterfall using a high-saline solution which absorbs water from the air. By lowering the humidity, the house's air conditioning units don't need to work as hard, saving energy.
October 3, 2011 10:06 AM PDT
Photo by: Department of Energy
| Caption by: Martin LaMonica
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