The Green House Auckland

Project Team

Architecture & Passive House Design Respond Architects - respondarchitects.co.nz

Builder Linmar Homes - linmarhomes.co.nz

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand13.3 kWh/m2/year
  • Heating Load9.5 W/m2 
  • TFA217.1m2
  • Form Factor2.7
  • Air leakage @ 50Pa0.3 ACH/hour
  • PER demand37.2kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls0.31 W/(m2K)(R3.28)
  • 115mm Formance SIPS with a 45mm service cavity insulated with Knauf R1.3 batts
  • U-value Floor0.44W/(m2K)(R2.26)
  • 220 waffle pod slab on 50mm continuous EPS insulation
  • U-value Roof 0.19W/(m2K)(R5.27)
  • 215mm Formance SIPS with a 45mm service cavity insulated with Knauf R1.3 batts
  • U-value Glass1.33 W/(m2K)(R0.75)
  • Lightbridge high performance triple glazing
  • U-Windows1.4 W/(m2K)(R0.7)
  • Starke 70 uPVC windows and Optimal timber front door
  • Ventilation Efficiency84%
  • Zehnder ComfoAir Q450 HRV