Safe Urban Biking, CLT Construction, Green Roof Insights, + SIPs Technology

Safe urban biking that works.
CLT being used in a new timber project.
SIPs: a building technology for the future?
Building green homes that don’t break the bank.
Building science: seeing red over green roofs.
Solar-powered green home built to […]

By |August 20th, 2011|Categories: Week in Review|0 Comments

How Much Solar Do You Need [Graphic]

One Block Off the Grid took a stab at answering the question: “How big a backyard do you need to live off of the land?”  It turns out, plants like corn, wheat, fruits, grains, and vegetables take a lot of space.  Also, to offset the electricity required to power the average home in the U.S., which consumes about 11,040 kWh per year, one needs about 375 square feet of solar PV, or 25 average efficiency solar panels getting seven hours of sun.  Check out the full infographic:

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By |August 19th, 2011|Categories: Solar|Tags: , |3 Comments

How Are Prefab Homes Built in a Factory?

The prefab industry has changed a lot in the last few years.  Case in point, ZETA Communities, a producer of net-zero energy multifamily housing came on to the scene in the beginning of 2008.  In something like 3-4 years, they’ve built up a lean manufacturing facility with 91,000 square feet in Sacramento that’s just incredible.

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By |August 19th, 2011|Categories: Prefab, video|Tags: , , |7 Comments

Ultra-Green Zero Cottage in California

ZeroCottage is a cutting-edge green home under construction in San Francisco.  The net-zero energy project by David Baker and Partners Architects is pursuing every notable green building certification around, including the Living Building Challenge, LEED Platinum, Green Point Rated, and Passive House.

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Blu Homes Intros New Lofthouse Prefab

Blu Homes just announced a new home style — the Lofthouse — designed by the company’s architects to “appeal to traditionalists and modernists alike.”  The modern version eliminates shutters, expands the windows, and provides an indoor/outdoor living experience.  The traditional version has Colonial-style windows and shutters to fit in an existing or historic neighborhood.

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By |August 18th, 2011|Categories: Prefab|Tags: , |1 Comment

Passivhaus Institut Suspends All Contracts with Passive House US

Update 8/19/2011: PHIUS just published its response [PDF].

Today, tweets exploded on our Passive House list maintained through Twitter.  It started with word this morning that the Passivhaus Institut, founded by Dr. Wolfgang Feist in 1996, had revoked certifier status held by Passive House US (PHIUS), the only Passive House certifier in the United States.  This news was verified by Dr. Feist himself on Twitter, with a link to an open letter issued by the Passivhaus Institut explaining what was going on.  

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By |August 17th, 2011|Categories: News, Passive House|Tags: |4 Comments
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