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 Demand21.7 kWh/m2/year
  • Heating Load10.3 W/m2 
  • TFA109 m2
  • Form Factor3.7
  • Air leakage @ 50Pa0.2 ACH/hour
  • PER demand42.0 kWh/m2/year

Passive House Database – TBA

Construction Details Average Values

  • U-value External Walls0.18 W/(m2K)(R5.55)
  •  142/172mm Kingspan SIP WALL + 45mm Services Cavity
  • U-value Floor0.12W/(m2K)(R8.33)
  •  Concrete slab with 300mm EPS polystyrene / 290mm joists with R4.1 +R2.8 batts
  • U-value Roof 0.13W/(m2K)(R7.94)
  •  290mm rafters with R4.1 +R2.8 batts
  • U-value Glass0.55 W/(m2K)(R1.82)
  • triple glazing
  • U-Windows0.8 W/(m2K)(R1.2)
  •  Aluplast Energeto 8000
  • Ventilation Efficiency86%
  • Zehnder  ComfoAir200