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The home’s two sections are staggered, making room for sheltered porches on the east and west sides.


 


Illinois is in tornado alley. The team noted in its brochure the increased tornado frequency and severity—2011 had chalked up 1,718 tornadoes between January and September. Public utilities often fail during calamity, so 30 PV panels (7.2 kW) power the home. Six of these PV panels are bifacial and serve double duty, providing both electricity and serving as a canopy that shades the south side. The home ships with the roof PV in place. Installers tilt them to the best solar angle at the job site. Re_home was among the seven successful net-zero-home entrants.


Factory construction uses standard 2” x 4” framing. The floor and roof are spray foam super-insulated to R-60. White roofing cuts heat loading. Walls are similarly foam-filled to R-45. Windows are triple-pane, argon-filled, with low-E coating. Everything is tight, tight, tight; the heat-pump HVAC system includes energy recovery ventilation( ERV) to keep energy costs low but indoor air comfortable and healthy.


The two home module sections are staggered, creating areas for porches on both the east and west sides. Recycled-steel canopies not only shade walls, windows and doors—slashing solar gain by 50%— but also make the home appear larger.


Built of local reclaimed decking, generous-sized decks and planter boxes encourage residents to plant and grow their own food. Grey water is collected and recycled to irrigate plants.


Inside is bright and light with punches of color. Things will remain nasty outside for a while but inside is cheerful. Floors are easy-to-clean Marmoleum in the main living area and comfortable cork in the bedroom. The kitchen and much of the storage is off -the-shelf from IKEA. Bright colors and lots of storage take away from the feeling disaster victims often have of camping out. Re_home had an open floor plan; its bathroom is also ADA-compliant.


The LED lighting can be controlled from an iPad, if desired. GB


 


GREEN FEATURES
> Modular Design. Two manufactured modules can be delivered to a disaster site and assembled in a day.
> PV Panels. 30 photovoltaic panels, six of which are bifacial, supply solar energy. The bifacial panels shade the south side.
> Recycled Steel Canopies. The canopies shade east and west sides.
> Super Insulation. Sprayed foam gives the floor and roof R-60 and walls R-45.


23 www.greenbuildermag.com 01.2012

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