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High Performance Home (17" R-60 non-vented roof assembly, 10" R-40 Walls) |
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First home in NE and CT, second in US to be Emerald Certified by NAHB |
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DOE Build America Prototype Home in cooperation with Building Science |
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First Development in NE and CT, 7th in the US to be Certified Green by NAHB |
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Conditioned Area (sq. ft.) |
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2800 |
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2696 |
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Housing Type (single family, multi-family, attached, detached, etc.) |
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SF/Detached |
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SF/Detached |
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Slab Floors |
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R-10 |
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R-10 Rigid Foam Board |
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Foundation Walls |
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R-17 |
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R-19 FG |
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Vaulted Ceiling |
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R-60
Polyiso & Batt |
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N/A |
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Flat Ceiling |
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N/A |
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R-60 Polyiso
& FG |
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Space Heating (primary only) |
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ASHP |
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Hybrid ASHP, 98% propane backup |
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Efficiency (HSPF, COP, etc.) |
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9.4 HSPF |
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9.4 HSPF |
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Efficiency (SEER, EER) |
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18 SEER |
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18 SEER |
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Water Heating |
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Propane - Direct Vent, Instant On |
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Tankless |
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Efficiency (EF) |
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85% AFUE |
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0.82 EF |
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Ventilation |
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TBD |
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Air Cycler (integrated with HVAC) |
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Infiltration Rate |
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820 cfm
1.56 ACH50 |
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1.0 ACH50 |
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Solar Thermal (DHW, space heating, etc.) |
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N/A |
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N/A |
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Other (specify) |
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none |
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none |
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Heating |
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75.1 ($1757) |
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13.9 ($326) |
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Cooling |
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4.9 ($115) |
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2.6 ($62) |
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Water Heating |
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18.8 ($168) |
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14.5 ($129) |
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Lighting & Appliances |
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31.5 ($673) |
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27.1 ($571) |
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Photovoltalics |
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0 ($0) |
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-12.1 (-$283) |
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TOTAL |
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130.3 ($2713) |
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46.1 ($806) |
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