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Campus Crusade

Posted by Green Builder Staff

Jan 26, 2015 9:49:18 AM

IN MARCH 2014, American Honda unveiled Honda Smart Home US, located on the West Village campus of the University of California, Davis. The energy-efficient home can produce enough electricity onsite from renewable sources to meet all of its annual energy demand, including electricity to power a Honda Fit EV for daily commuting.

The home showcases several innovative technologies. In the backyard, eight 20-foot-deep boreholes allow a ground-source heat pump to harness the Earth’s relatively stable thermal sink to provide radiant heating and cooling through the home’s floors and ceiling.

Electricity generated from a 9.5-kW solar photovoltaic (PV) array mounted on the roof is intelligently distributed throughout the home’s microgrid by Honda’s home energy management system (HEMS). Honda Smart Home optimizes energy use by taking into account local weather conditions, sun direction and the home’s outer shell. South-facing windows are optimized for heating and cooling, while north-facing windows maximize natural light and ventilation. Double-stud walls, cool roofing material and a fully insulated concrete slab all contribute to the home’s energy efficiency.

Sustainable materials were used throughout the construction process. All lumber was sustainably harvested from forests certified by the Forest Stewardship Council (FSC), while advanced framing techniques reduced the amount of material needed. Nearly all (96 percent) of the construction waste associated with the project—including drywall, brick, plastics and lumber—was recycled. Outside, xeriscaping reduces irrigation demand. Besides rain, filtered graywater recycled from the home is the only source of irrigation water.

In addition to showcasing Honda’s vision for sustainable, zero-carbon living, the home will function as a living laboratory where the company, along with researchers from UC Davis and Pacific Gas and Electric (PG&E), will evaluate new technologies and business opportunities at the intersection of housing, transportation, energy and the environment. In July 2014, Honda released all of the home’s architectural and mechanical plans, as well as building materials, to inspire others to take action.
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Topics: solar, electric vehicle charging, water saving, Sustainable Building Materials, radiant heating systems, LED Lighting, 2014 Green Home of the Year

Sustainable Charm

Posted by Green Builder Staff

Jan 23, 2015 1:48:44 PM

AMERISIPS SPECIALIZES IN BUILDING LEED-certified homes constructed with structural insulated panels (SIPs), and the South Carolina-based company’s in-house designers know how to deliver attractive but traditional-looking homes to satisfy the Southeastern residential market. The Charleston Lowcountry Charm House, built for a client in Johns Island, S.C., is targeting an impressive collection of certifications, including LEED Platinum, U.S. EPA WaterSense and Indoor airPLUS; it has already qualified as a Department of Energy Zero Energy Ready Home.

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Topics: SIPs, 2014 Green Home of the Year

Modern Marvel

Posted by Green Builder Staff

Jan 21, 2015 5:04:16 PM

THE OWNER OF KARUNA HOUSE wanted to build a home that could serve both as a model of green building and a case study comparing some of the world’s most demanding green building certifications. Designed by Holst Architecture and built by Hammer & Hand, it is the first building to earn Passive House, Minergie-ECO and LEED Platinum certification. Minergie is a Swiss certification with a holistic approach, including standards for non-toxic materials (similar to the Living Building Challenge Red List), protections for installer health, provisions for quiet building operation and ease of building disassembly.

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Topics: LEED, solar, Passive design, Building Envelope, Building Science, passive house, 2014 Green Home of the Year

Holistic Homes

Posted by Green Builder Staff

Jan 20, 2015 3:55:11 PM

WHEN PLANNING THE GROW COMMUNITY, an intentional community on Washington’s Bainbridge Island, architect Jonathan Davis says the team searched for a way to “package” sustainability. That’s when they discovered the One Planet Living Community program, a holistic certification program organized around 10 principles.

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Topics: High-Performance Windows, 1500 square feet or less, solar, outdoor living, edible gardens, 2014 Green Home of the Year, eco-landscaping

Trendsetter

Posted by Green Builder Staff

Jan 14, 2015 12:58:00 PM

KTGY Group and Garbett Homes Share History. Their first collaborative project, Solaris, was a collection of affordable entry-level homes powered by solar and geothermal energy. With Bellasol, they set a new goal: to build a net-zero-energy home with a HERS score of at least 5. The house modeled at HERS 2, but after it was built it earned an impressive score of -1.
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Topics: solar hot water, electric vehicle charging, 2014 Green Home of the Year

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