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An Innovative Net-Zero Prefab in Los Angeles

An Innovative Net-Zero Prefab in Los Angeles | Immobilier | Scoop.it
A net-zero prefab home design is set to reinvigorate a down-at-the-heels Los Angeles neighborhood.

In 2011, Restore Neighborhoods Los Angeles (RNLA), a nonprofit that invests in housing, sent out a request for affordable, sustainable designs for lots in the city’s South Central area. “We very much want to introduce new design ideas and new technologies to low- and moderate-income districts,” explains John Perfitt, executive director. “Good design and new construction methods can, over time, have a very positive influence in restoring neighborhoods.”

After whittling down the field from nine proposals, they selected a net-zero prefab design submitted by Habitat for Humanity and Minarc, a Santa Monica–based architecture firm known for its innovative, energy-efficient kit houses. Thanks to a streamlined, waste-free construction method and affordable materials, like cement board cladding and Cradle to Cradle–certified panels, the firm’s three 1,200-square-foot homes came in at the requisite $150 per square foot—including foundation, trans- portation of the modular components, and rooftop solar panels that offset 95 percent of the structures’ energy demands...


Via Lauren Moss
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Cooling Los Angeles, From the Roof Down

Cooling Los Angeles, From the Roof Down | Immobilier | Scoop.it

What’s the coolest place in Los Angeles? It may be right over your head. Starting in 2014, thanks to an update of the Municipal Building Code, all new or refurbished buildings will be equipped with “cool roofs.”

A cool roof is built of reflective rather than absorptive material. Compared to traditional roofs, cool roofs can be as much as 50 degrees cooler on the roof surface, and can lower interior building temperatures by several degrees. Los Angeles is the first major American city to pass a cool-roof ordinance...


Via Lauren Moss
PIRatE Lab's curator insight, January 5, 2014 12:31 AM

We can even go this one better with green roof designs.  But light is preferable to dark when it comes to surfaces in our hot climate (this is why adobes were white washed).  Our most energy-intensive season is the the hottest period at end of summer/early fall months, with most of that energy going into air conditioning to cool heated buildings.

Norm Miller's curator insight, January 8, 2014 1:48 PM

Great to see LA becoming a leader in requiring cool roofs that cost no more.