Holmes Hill Estate Oamaru PH Oamaru

    House Profile

Project Team

Architecture eHaus  Petra Hajnal - ehaus.co.nz
Passive House Design eHaus  Maria Rei - ehaus.co.nz
eHaus  McBrimar Homes - ehaus.co.nz
Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand20.9kWh/m2/year
  • Heating Load10.0 W/m
  • TFA118.5m2
  • Form Factor3.7
  • Air leakage @ 50Pa0.6 ACH/hour
  • PER demand53.0kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls 0.22 W/(m2K)(R4.50)
  • Timber frame 140mm wall with R4.1 insulation and a 45mm service cavity
  • U-value Floor0.17W/(m2K)(R5.9)
  • 100mm Concrete Slab with 200mm VH grade continuous EPS underneath
  • U-value Roof 0.13W/(m2K)(R7.75)
  • Truss roof with 315mm batt insulation
  • U-value Glass0.52 W/(m2K)(R1.91)
  • Eco PVC 83
  • U-Windows0.9 W/(m2K)(R1.1)
  • Guardian Sunguard Triple Glazing
  • Ventilation Efficiency86%
  • Zehnder - ComfoAir Q350 HRV