DOE Tour of Zero: The Passive House #1 at Columbia Station by Dwell Development
Photos
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This Seattle home by Dwell Development is certified to the strict performance standards of the U.S. DOE Zero Energy Ready Home program, as well as those of the Northwest ENERGY STAR program, Passive House Institute U.S., and the regional Built Green program.
Photo courtesy of Dwell Development
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This three-story modern high-performance home by Dwell Development provides its homeowners with enhanced comfort and durability, as well as low energy bills of less than $500 per year.
Photo courtesy of Dwell Development
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Solar window shading is built into the design of the three-story home to minimize heat gain from high overhead summer sun while allowing low winter sun into the natural daylight home.
Photo courtesy of Dwell Development
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The high-performance home has a rooftop deck on the third floor, providing views and maximizing space on the infill site.
Photo courtesy of Dwell Development
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The Zero Energy Ready Home is one of 42 homes in a micro-community of ultra-modern, energy-efficient homes built on an urban gray-field site in South Seattle.
Photo courtesy of Dwell Development
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The single ultra-efficient ductless heat pump (10.6 HSPF, 23 SEER), shown mounted on the wall at the upper left, provides all the heating and cooling the 2,000-square-foot home needs. The heating and cooling requirements are substantially reduced by the 14-inch-thick double-wall thermal blanket construction with insulation and ultra-efficient triple-pane windows.
Photo courtesy of Dwell Development
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Advanced lighting technology, including compact fluorescent fixtures, help reduce energy use.
Photo courtesy of Dwell Development
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Ultra-efficient triple-pane windows fill the home with natural light and minimize the transfer of heat in or out with advanced technology coatings.
Photo courtesy of Dwell Development
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High-efficiency appliances, including an ENERGY STAR-rated dishwasher, clothes washer, and refrigerator, save energy and water.
Photo courtesy of Dwell Development
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The home meets all of the criteria of the EPA’s Indoor airPLUS program, including the requirement to use low-/no-VOC containing cabinetry and finishes.
Photo courtesy of Dwell Development
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A recycled-glass countertop surrounds the bathroom sink. The faucet, like all the plumbing fixtures in the home, is a water-saving EPA WaterSense-labeled fixture.
Photo courtesy of Dwell Development
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An on-demand hot water plumbing system uses central manifold plumbing distribution with PEX piping directly to each fixture to significantly reduce waiting time and wasted water.
Photo courtesy of Dwell Development
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Endless hot water heating technology is also ultra-efficient.