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No. 1236 Project Madrona Passive House Status Certified
Lead CPHC Dan Whitmore
Builder Hammer and Hand Location Seattle, WA
QA/QC Rater Skylar Swinford Architecture Planning SHED Architects Mechanical Systems Designer Dan Whitmore, Washington State University and Petra Heating
Constr. Type Timber Bldg. Function Single Family Floor Area 3778
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days 4720 Cooling Degree Days 174
Units 1 Certification Type PHIUS+2015 Certification Date September 13, 2016
Exterior Wall 5/8' GWB, 2x6 with Blown-In Dense Fiberglass, 7/16" Zip Sheathing, 4" Fiberglass-faced Poly-Isocyanurate Insulation, WRB Membrane, 1x4 Douglas Fir Furring, T&G Cedar
Floor 2 1/2" Polished Concrete, 5.5" Extruded Polystyrene (EPS), Drainage Matt, 10-Mil Poly, 6" Reinforced Concrete
Roof 5/8' GWB, 11 7/8" I-Joist with Blown-In Dense Fiberglass, 5/8" Plywood, 5+" sloped EPS Insulation, 1/2" Protection Board, TPO Roofing
Window Frame Zola ThermoClad Plus
Window Glazing SHGC: 0.53 Ucog: 0.095 BTU/hr.ft2.F
Entrance Door Zola
Ventilation Zehnder Comfoair 550
Heating System Sanden Heat Pump Water Heater
Submitter Dan Whitmore
Air-tightness 0.34
Cooling System Exterior Shading/Blinds, night-flushing
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