Red Hook Passive House
Walls and Roof
Interior rigid insulation at existing walls and first floor slab-on-grade. Exterior rigid insulation at roof. Combination of interior and exterior fluid-applied air barriers to existing masonry.
Subslab assembly |
Existing approx. 6" concrete slab, 1.5" type-9 EPS, poured concrete finish floor. |
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Subslab R-value | 7.5 |
Slab edge assembly |
existing |
Foundation wall assembly |
none |
Above grade wall assembly |
acrylic stucco w/ fluid-applied integral air barrier, existing 8" CMU, 2 layers 2.75" salvaged polyisocyanurate insulation, metal furring, 5/8" GWB. |
Above grade wall R-value | 33.0 |
Roof Assembly |
existing horizontal wood joists with wood overframing and plywood decking. 11" salvaged polyisocyanurate insulation, cement board and fluid-applied roofing system. |
Roof R-value | 66.0 |
Windows and Doors
Window Assembly:
Shuco aluminum Passive House exterior windows with triple glazing.
Door Assembly:
Shuco aluminum Passive House exterior windows with triple glazing or insulated opaque panel.
Mechanical Systems
Space cooling - Manufacturer & Model | Misubishi air-source heat pump |
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Space heating - Manufacturer & Model | Misubishi air-source heat pump |
Domestic hot water - Manufacturer & Model | Rheem electric hot water tank MR50245 |
Domestic hot water - capacity | 50 gal |
Ventilation - Manufacturer & Model | Zhender Comfoair 350 |
Lighting Manufacturer and Model | Phillips LED |
Lighting Efficiency |
Envelope
Air Changes per hour, ACH50 | 1.00 ACH50 |
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Air Changes per hour, CFM50 |