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  Material/System House #1, Block House #2, AAC House #3, Frame
Conventional Construction Exterior Wall System Concrete Block Autoclaved Aerated Concrete Blocks (AAC) 2 X 4 Wood Frame
Wall Insulation (Overall R-value) R-4.2 Foam Board (6.1) None (11.5) R-11 Fiberglass Batts
Caonditioned Area 1,228 square feet
Orientation (front door) North
Foundation Slab on Grade
Ceiling Insulation R-30
Energy Star Enhancements Air Conditioning Equipment High Efficiency Heat Pump, SEER = 12, HSPF = 7.5
Duct System R-6 Insulated Ducts Sealed with Mesh and Mastic in Attic
Air Handler Location Conditioned Space
Infiltration Reduction Penetrations in Thermal Envelope Sealed
Special Features Reduced VOC Materials None Low Emission -Carpet (100% Nylon) -Carpet Pad -Cabinets None
Window Type Single Pane Clear Double Pane Clear Double Pane LowE (Shading Coefficient = 0.41)
Ventilation System None Fresh Air System -Outside Air Duct -RanRecycler Control -Transfer Ducts -1" Pleated Filter None
Additional Attic Features None None  -Enhanced Attic Ventilation -Radiant Barrier

Figure 1. Entry Level Housing Demonstration Project - House Characteristics

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