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No. 1126 Project Wood Residence Status Certified
Lead CPHC Graham Irwin
Builder PassivWorks Location Sonoma, CA
QA/QC Rater Joseph LoConte Architecture Planning Signum Architecture Mechanical Systems Designer Accel Heating and Air
Constr. Type Timber Bldg. Function Single Family Floor Area 3153
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days 2796 Cooling Degree Days 597
Units 1 Certification Type PHIUS+ Certification Date June 17, 2014
Exterior Wall 10" OVE double stud wall, CertainTeed Optima BIBS fiberglass insulation
Floor Raised floor above "clean" crawl space (1/1500 vent ratio.) 7.25" Optima fiberglass insulation
Roof Custom scissor trusses, unvented roof, 16" Optima fiberglass in cavity, 1" EPS above sheathing, metal roofing
Window Frame Optiwin Alu2wood
Window Glazing Optiwin triple pane, U 0.5 W/m2K, g-value 0.52
Entrance Door Optiwin Alu2wood
Ventilation Zehnder ComfoAir 550
Heating System Ducted heat pump: Mitsubishi MXZ2B20NA with SEZKD09NA4, HSPF=8.5, SEER=15.5
Submitter Graham Irwin
Air-tightness 0.31 ACH50
Cooling System Ducted heat pump: Mitsubishi MXZ2B20NA with SEZKD09NA4, HSPF=8.5, SEER=15.5
Additional Consultants Madcon, Inc. (solar thermal system), Rick Milburn CPHC, Jarrod Denton CPHC
Additional Notes

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