Gottfried Green
LEAFHouse- Solar hot Water
For the LEAFHouse, "Apricus water heating tubes provide all the hot water for the house, including the hot water for the radiant floor. The tubes absorb the sun’s radiant heat in an insulating layer of air-evacuated glass. A vacuum is an excellent insulator, allowing LEAFHouse to make hot water even when it's cold outside.
While the outside of the tubes are cool, the inside the tubes can exceed 300º F. There is a pipe connecting the tubes to various appliances that require hot water throughout the house. The tubes eliminate the need for an electric or gas water heater.
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