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Wide Open Island Living

Posted by Green Builder Staff

May 18, 2015 10:40:47 AM

The kitchen and bath in this LEED Platinum home in Hawaii feature water-efficient fixtures and healthy, low-maintenance finishes.

PHOTOS BY AUGIE SALBOA

THE WA'AHILA RIDGE custom Craftsman home, designed by Hawaii-based Archipelago Hawaii and built by MOKULUA HPB, marries design with building science in a truly collaborative process. Completed in 2013, it is one of the only LEED Platinum-certified homes in the state and has achieved a HERS rating of 15.

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Topics: LEED, Indoor Air Quality, Insulation, natural ventilation, Energy Star, water saving, LED Lighting, Water Sense

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

Helios NW Eco: A Net Zero Vacation Home

Posted by Suchi Rudra

Sep 12, 2014 6:16:00 PM

WHEN SARAH AND HER HUSBAND (surnames withheld) purchased what is now the Helios Eco-House in Bend, Oregon, the primary goal was to achieve LEED standards. But after doing much research, the biotech and engineer couple discovered that “if you’re willing to go a little further, it’s really painless to go net zero.” Read More

Topics: net-zero energy, 1600 to 2500 square feet, Green Landscaping, LEED, solar, standing seam metal roof, water conservation, zero-VOC, radiant heating systems, Low-E Window glazing

Energy Efficient for Peace of Mind

Posted by Green Builder Staff

Sep 4, 2014 2:11:03 PM

IT'S NOT ALWAYS easy to build an affordable green home without a glaring compromise or two. But architect Eric Hughes and builder Dan Vos somehow beat the odds.

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Topics: net-zero energy, Bamboo, High-Performance Windows, LEED, SIPs, Indoor Air Quality, ICFs, 1500 square feet or less, passive solar, zero-VOC, 2011 Green Home of the Year Awards

Conscious Compound

Posted by Green Builder Staff

Aug 8, 2014 6:38:57 PM

HERE'S SOMETHING you don’t see every day: an “aging in place” multiple unit housing project with sustainability front and center.

This urban project in downtown Santa Barbara, CA, takes to heart architect Ed Mazria’s 2030 Challenge goal of carbon neutrality. Built in two phases, and certified LEED-H Platinum, it began with the teardown of an 1887 Victorian house, and its replacement with a state-of-the-art 2,520-sq. ft. home. The new structure captures some of the essence of the original home, but is extremely airtight and well built. The combination of spray foam and external Tyvek ThermaWrap reduces air infiltration (ACH 50) to .96 (better than the most stringent LEED standards).

The second phase called for construction of a 5,100-sq. ft. three-unit condominium, designed in a Spanish style. This condo was built using the same framing and insulation materials as the single-family home, and it also achieves super energy efficiency. The team had intended to build both structures with SIPs, but seismic concerns resulted in a change to 2”x6” framing with spray foam and thermal wrap.

The addition of parking lifts not only allowed for more vehicles—it conserved valuable square footage for living, so that the architect was able to squeeze an additional living unit out of the plan. Less driveway also made possible communal gardens in between the buildings. Read More

Topics: Green Landscaping, LEED, housewrap, spray foam insulation, edible gardens

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