House Profile

Project Team

Architecture & Passive House Design Design & Make Architects(Elizabeth Guthrey) – www.designmake.co.nz
Builder – Everett Norris

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand14.3kWh/m2/year
  • Heating Load10.0 W/m2 
  • TFA156.8m2
  • Form Factor2.9
  • Air leakage @ 50Pa0.6 ACH/hour
  • PER demand29.4kWh/m2/year

Passive House Database – 8114

Construction Details Average Values

  • U-value External Walls0.15 W/(m2K)(R6.77)
  • Strawbale with internal and external clay plasters
  • U-value Floor0.19W/(m2K)(R5.36)
  • Earth floor on substrate on 290mm floor joists with Terra Lana insulation
  • U-value Roof 0.15W/(m2K)(R6.87)
  • 290mm rafters with Terra Lana insulation. 35mm services cavity with Terra Lana insulation
  • U-value Glass0.56 W/(m2K)(R1.79)
  • Bayerwald 4/18/4/18/4
  • U-Windows1.1 W/(m2K)(R0.9)
  • Bayerwald H90
  • Ventilation Efficiency88%
  • Brink Climate Systems B.V. – Brink Flair 325