The Cohousing Company Energy Features:
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Foundation:
Unconditioned crawlspace with R-22 interior insulation
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Wall Construction:
2x6, 2x8, and 2x10 @ 24" o.c.
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Wall Insulation:
R-22, R-28, R-34 wall spray cellulose
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Rim Joist Insulation:
R-22 spray cellulose
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Roof Construction:
Raised-heel truss
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Ceiling Insulation:
R-38 blown cellulose
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Windows:
Low-e vinyl windows; U-0.35; SHGC 0.27
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HVAC:
98 AFUE boiler, whole-house fan
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Ducts:
No ductwork
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Water Heating:
40 s.f. solar water heating preplumbed; 98 AFUE boiler auxiliary
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Lighting:
100% fluorescent lighting (66% dedicated fluorescent fixtures)
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Appliances:
ENERGY STAR refrigerator, dishwasher, washer and dryer
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Duct Leakage Test:
No ductwork
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Innovative Features: 1.32 kW photovoltaic system;
radiant barrier; programmable thermostat; PEX plumbing manifold; advanced
framing, passive solar design