Huia House Dunedin

    House Profile

Project Team

Architecture & Passive House Design Architype -

Engineering Services The Engineering Company Ltd (“Engco”) -

Builder WD Homes -

Certifier Sustainable Engineering Ltd –

Passive House Metrics

  • Heating Demand19.8 kWh/m2/year
  • Heating Load9.4 W/m
  • TFA146.9m2
  • Form Factor3.7
  • Air leakage @ 50Pa0.2 ACH/hour
  • PER demand42.1kWh/m2/year

Passive House Database - TBD

Construction Details Average Values

  • U-value External Walls 0.18 W/(m2K)(R5.44)
  • 140mm timber framed walls with Pink Batts R4.0 batts, Intello air control layer, 90mm service cavity Pink Batts R2.8 batts
  • U-value Floor0.16W/(m2K)(R6.3)
  • Suspended timber floor with two layers of Pink Batts R2.8 batts and 60mm Expol black.
  • U-value Roof 0.13W/(m2K)(R7.74)
  • Timber truss and skillion roofs with three layers of R2.8 Pink Batts
  • U-value Glass0.55 W/(m2K)(R1.82)
  • PlaniTherm XN (4:/18/4/18/:4 90% Ar)
  • U-Windows 0.9 W/(m2K)(R1.1)
  • Gealan S9000 UPVC windows
  • Ventilation Efficiency 88%
  • Zehnder Group Nederland B.V. - ComfoAir Q350 HRV, Comfort Vent Q350 HRV