During his tour, Wright explained in detail how to install evacuated solar water heating tubes and how best to insulate period sash window frames without diminishing their appearance.

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In certain configurations, the apparatus can be used for solar thermal energy generation and even water heating.

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Nevada's first platinum-certified LEED (Leadership in Energy and Environmental Design) buildings stand proudly here, constructed of recycled materials and rammed-earth walls, with passive cooling, renewable heating, reclaimed water and solar-electricity panels, all harvesting clean energy.

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The installation of nearly 29, 500 solar pool heating systems and 35, 500 hot water systems.

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The 59-acre (24 hectare) site will also boast a solar thermal hot water system to pre-heat the water for the heating system, and a biomass boiler that will provide heat using locally-sourced wood chips.

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Melting on the ice sheet's surface acts as a feedback mechanism, Dr van den Broeke explained, because the liquid water absorbs more and reflects less of the incoming solar radiation - resulting in a heating of the ice.

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In the United States, solar waters heaters generally sit atop individual homes and businesses, and the hot water is seldom used for space heating.

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The design allows for passive solar heating in the winter, has a metal roof for rainwater collection and uses an incinerating toilet to minimize water usage and avoid the need for sewage disposal, said Carrie Caverly, an architectural designer.

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