PHnw Building Directory

CoreHaus PDX

Building Use: Detached single-family residence

Project Type: New passive house building

New single-family residence.

00dsc-0384
State:Washington
Dwelling Units:1
PH Calculation Protocol(s):PHI
PH Modeling Software(s):PHPP
PH Certification(s):PHI
Year Of Construction:2010

Project Size

Floor Area:1,175.4 ft2TFA109.2 m2TFA

Performance

Heating Degree Days:22 °F•day/yr12.2 °C•day/yr
Cooling Degree Days:41 °F•day/yr22.8 °C•day/yr
Annual heat demand:4.35 kBtu/yr•ft2TFA13.7 kWh/yr•m2TFA
Heat load:3.82 Btu/hr•ft2TFA12.1 W/m2TFA
Primary energy demand:36.30 kBtu/yr•ft2TFA114.5 kWh/yr•m2TFA
Airtightness:0.31 ACH50

Envelope

Construction Type:wood
Floor Assembly:Slab on grade over 8" EPS
Wall Assembly:2x8 with BIB, 3" exterior polyiso
Roof Assembly:16" TJI with BIB, 4" exterior polyiso
Windows:Serious Windows 925
Entry Doors:ThermaTru fiberglass with multipoint locking

Systems

Ventilation system:Zehnder ComfoAir 350
Heating/Cooling system:Electric resistance
Domestic hot water system:Tankless gas

Team

Passive House Consultant:Dylan Lamar
Passive House Consultant Certification:PHI
Architect:Robert Hawthorne
Structural Engineer:Jerome Madden
Mechanical Engineer:Barry Stephens
Contractor:PDX Living, LLC

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