Cherokee Investment Partners Energy Features:
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Foundation:
R-22 Insulating Concrete Form basement
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Exterior Wall Construction:
2x4 @16" o.c. with 2x2 cross-wise
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Wall Insulation:
R-20 soy-based spray foam
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Rim Joist Insulation:
R-20 soy-based spray foam
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Roof Construction:
Raised-heel trusses @ 24" o.c.
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Ceiling Insulation:
R-30 soy-based spray foam at roofline
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Windows:
Low-e, argon-filled vinyl; U-0.29 to 0.31; SHGC 0.22 to 0.30
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HVAC:
78% efficient wood fireplace system; 17.5 SEER, 8.4 HSPF air source heat pump;
energy recovery ventilator
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Ducts:
All ducts in conditioned space and sealed with mastic and foil tape
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Water Heating:
40 s.f. flat plate solar collector with electric tank auxiliary and PV-powered
pump
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Lighting:
100% fluorescent (43% dedicated fluorescent fixtures)
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Appliances:
ENERGY STAR refrigerator, dishwasher, chest freezer, and washer
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Duct Leakage Test:
0 CFM to exterior at 25 Pa; 0 CFM total at 25 pa
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Blower Door Test:
1.17 ACH50
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HERS Index:
38 (with photovoltaic)
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Innovative Features: 3.1 kW photovoltaic system;
radiant barrier roof decking; tubular skylights; programmable thermostat;
advanced framing techniques including 2-stud corners, ladder blocking, and
cross bracing; passive solar design