Kanuka House Dunedin

    House Profile

Project Team

Architecture & Passive House Design Architype Ltd. -  architype.co.nz
Builder WD Homes - wdhomes.co.nz

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand14.5 kWh/m2/year
  • Heating Load10.0 W/m2 
  • TFA124.6m2
  • Form Factor3.3
  • Air leakage @ 50Pa0.2 ACH/hour
  • PER demand53.1kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls0.22 W/(m2K)(R4.53)
  • 140mm insulated timber framed wall with a 90mm insulated service cavity
  • U-value Floor0.16W/(m2K)(R6.42)
  • 100mm Concrete slab with 220mm continuous VH grade EPS
  • U-value Roof 0.11W/(m2K)(R9.22)
  • Truss roof with 320mm of glassfibre insulation
  • U-value Glass0.52 W/(m2K)(R1.9)
  • Thermadura Climaguard (4:/20/4/20/:4)
  • U-Windows0.8 W/(m2K)(R1.3)
  • DesignLine90 Passive
  • Ventilation Efficiency 87%
  • ComfoAir Q350 - Standard Heat Exchanger