Being Small House

Project Team

Architecture & Passive House Design Architype Ltd - architype.co.nz
Builder
Willowview Building Ltd
Certifier
Sustainable Engineering Ltd
sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand18.9kWh/m2/year
  • Heating Load10.5 W/m
  • TFA61.5m2
  • Form Factor4.5
  • Air leakage @ 50Pa0.3 ACH/hour
  • PER demand50.1kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls 0.16 W/(m2K)(R6.34)
  • 140mm Timber Framing @600crs/ Plywood bracing and air control / 90mm Service Cavity
  • U-value Floor0.11W/(m2K)(R9.1)
  • Subfloor / 290mm joists @ 600crs with R2.8 batts+R4.3 batts+R1.9EPS Some areas additional R1.8XPS
  • U-value Roof 0.11W/(m2K)(R9.20)
  • 300mm I-joist with R2.8+R2.8+R4.3 PinkBatts Wall Insulation
  • U-value Glass0.56 W/(m2K)(R1.80)
  • Thermadura Climaguard (4:/20/4/20/:4) and Silverstar (6:/18/6/18/:6)
  • U-Windows0.9 W/(m2K)(R1.1)
  • Thermadura Designline
  • Ventilation Efficiency91%
  • Zehnder Group Zwolle B.V. - ComfoAir200. ComfoD250. WHR920