University of Cincinnati
This was one of the most colorful houses in the contest. Its vertical colored bars reminded me of books on a shelf, or a bar code, or paint-color chips. The siding is also recycled -- it's reclaimed aluminum from a roofing manufacturer.
Another neat thing about this house was its back, southern-facing wall built from evacuated tube solar thermal collectors; the wall doubles as a privacy screen. Water flows through the tubes, which convert 70 percent of the solar energy striking them to heat up the water, which then flows into a storage tank.
The hot water is then used to either heat or cool the house. Something called an absorption chiller uses the energy from hot water for cooling. (Don't ask me to try to explain it!)
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