Community Housing Partners Energy Features:
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Foundation:
Slab-on-grade; R-7.5 slab edge and under slab insulation
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Exterior Wall Construction:
2x6 @ 24" o.c.
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Wall Insulation:
R-21 cellulose cavity insulation; R-8 insulated headers
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Rim Joist Insulation:
R-5.5 polyurethane foam plus R-19 fiberglass batt
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Roof Construction:
Raised-heel roof trusses @ 24" o.c.
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Ceiling Insulation:
R-38 blown cellulose
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Windows:
Low-e, argon-filled vinyl-clad wood; U-0.32 to 0.34; SHGC 0.20 to 0.33
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HVAC:
15 SEER, 8.1 HSPF air source heat pump
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Ducts:
All ducts in conditioned space and mastic sealed
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Water Heating:
50 gallon, 0.91 EF electric water heater
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Lighting:
78% fluorescent lighting (43% dedicated fluorescent fixtures)
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Appliances:
ENERGY STAR refrigerator, washer, and dishwasher
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Duct Leakage Test:
40 CFM to exterior at 25 pa; total duct leakage not reported
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Blower Door Test:
5.67 ACH50
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HERS Index:
73
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Innovative Features: Advanced framing techniques
including two-stud corners, in-line framing, right-sized headers, and design on
2-foot modules; lighting controls; dual flush toilets; 65 gallon rain barrels
for rainwater harvesting