Interview: LiFe Powered by the Sun

Carolyn and Kyle Cave, both university professors in Hadley, Massachusetts, built this super-insulated home to minimize energy consumption.  Then they dropped a 20kW solar PV array on the roof and now use energy from the sun to generate a surplus that also powers this tiny little Wheego LiFe electric vehicle.  I was able to ask Carolyn Cave a few questions about their solar-powered situation, and this is a portion of that response:

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By |October 7th, 2011|Conservation, Solar|3 Comments

Jaga Expands in the US Radiator Market

Jaga Climate Systems, a manufacturer of energy-efficient and designer radiator systems, announced at Greenbuild the expanded availability of products in the US.  Jaga has built up a US distributor network, so architects, designers, and contractors can access products through representatives in California, Colorado, Illinois, Iowa, Maryland, Michigan, North Carolina, New Jersey, New Mexico, New York, Massachusetts, Minnesota, Pennsylvania, Utah, and Washington.

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By |October 6th, 2011|Energy Efficiency, Technology|0 Comments

Creatherm: A Simple, Flexible Radiant Slab

Radiant flooring is a popular method for heating a space. Typicaly, installing a radiant slab on grade has required the time- and labor-intensive process of laying down wire mesh and then tying the tubing to the grid of the mesh to provide an even layout. But using the Creatherm radiant floor panel makes it faster and easier to install radiant tubing, as well as providing an insulation layer beneath the floor.
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By |September 30th, 2011|Energy Efficiency, Technology|6 Comments

zHomes Use Zero Net Energy in Issaquah

zHome is a contemporary, new, townhome development in Issaquah, Washington.  The homes go on sale this month and have received national attention, such as in the video embedded below with the Wall Street Journal.  Homes in this community will use zero net energy — after considering all energy used and produced during a year — and zHome may just be the first townhome project in the country to achieve such a feat.

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By |September 27th, 2011|Energy Efficiency, Townhouse|2 Comments

KB Home Unveils Efficient ZeroHouse 2.0

KB Home, a publicly-traded home builder with its headquarters in Los Angeles, this month announced the nationwide roll out of net-zero energy home designs called ZeroHouse 2.0.  The standard KB Home with Energy Star certification is built to save homeowners about $1,000 in average annual energy costs, while a ZeroHouse 2.0 design is expected to eliminate monthly electricity charges.

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By |September 26th, 2011|Energy Efficiency, Solar|2 Comments

Efficient Upcycled Duplex in Portland

Hammer & Hand, a design-build firm based in Portland, is getting well-deserved attention for transforming this circa 1905, dilapidated eyesore into an energy-efficient duplex that uses less than $100 per month in energy.  With the help of Scott Edwards Architecture, the team expanded tiny spaces and transformed the lower level to facilitate aging in place.

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By |September 23rd, 2011|Multifamily, Renovation|1 Comment