DOE Tour of Zero: Sol Lux Alpha by Off the Grid Design
Photos
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Off the Grid Design built this 7,008-square-foot multifamily project in San Francisco, California, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
Photo courtesy of Off the Grid Design
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A solar awning over the rooftop deck helped this builder achieve net zero energy on this five-story apartment building in San Francisco.
Photo courtesy of Off the Grid Design
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Photovoltaic panels make up the roof of this rooftop deck, providing roofing that generates electricity while providing waterproof shading that lets 15% of the light through to brighten the space below.
Photo courtesy of Off the Grid Design
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ENERGY STAR appliances and EPA WaterSense-labeled plumbing fixtures add to energy and water savings.
Photo courtesy of Off the Grid Design
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All of the home’s light fixtures use LED-based light sources.
Photo courtesy of Off the Grid Design
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The entire unit is heated and cooled with a single minisplit heat pump that delivers heating and cooling throughout the home via short ducts.
Photo courtesy of Off the Grid Design
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The builder estimates that each unit should save more than $7,000 in annual energy costs thanks to the efficient design and roof-mounted solar panels.
Photo courtesy of Off the Grid Design
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A triple-filtered energy recovery ventilator provides ducted fresh air throughout the homes.
Photo courtesy of Off the Grid Design
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An extensive battery storage system saves solar-generated power for use during evening peak hours.