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No. 1156 Project Karpiak Mulhall Passive House Status Certified
Lead CPHC Richard Pedranti
Builder Ciervo and Sons Renovations, Inc Location Scranton, PA
QA/QC Rater Peter Vargo Architecture Planning Richard Pedranti Architect, PC Mechanical Systems Designer Richard Pedranti Architect, PC
Constr. Type Timber Bldg. Function Single Family Floor Area 1773
Project Type New Construction HERS Index 28 LEED Rating
Energy Star Rating 3.0 Heating Degree Days 6311 Cooling Degree Days 539
Units 1 Certification Type PHIUS+    
Exterior Wall Load bearing OVE 2x4 interior walls insulated with rock wool and sheathed with 1/2" OSB caulked and taped as air barrier. 11 7/8 TJI screwed to structural 2x4 walls with dense packed cellulose to 3.5 pcf and sheathed with celotex fiberboard, Tyvek, and vented wood cladding. U=0.0162 BTU/hr.ft2F
Floor 6" reinforced concrete slab over 8" of perlite with 12" type IX EPS sub slab insulation. U=0.0132 BTU/hr.ft2F
Roof 30" raised heel engineered roof truss with interior 1/2" OSB caulked and taped as air seal. 24" of blown cellulose. U=0.0117 BTU/hr.ft2F
Window Frame Intus Eforte U=0.17 BTU/hr.ft2F
Window Glazing Intus standard glazing U=0.09 BTU/hr.ft2F SHGC=0.529
Entrance Door Intus Entry Doors U=0.27 BTU/hr.ft2F
Ventilation RenewAire EV200 84% efficient 0.83 W/cfm
Heating System Mitsubishi Inverter MSZ-FE09NA & MUZ-FE09NA
Submitter Richard Pedranti
Air-tightness 0.47ACH@50Pa
Cooling System Same as heating
Construction Year
Additional Consultants Pete Vargo, PHIUS+ rater
Additional Notes The site is an urban infill lot in downtown Scranton, PA.

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