Brick House Wānaka

   House Profile

Project Team

Architecture & Passive House Design Rafe Maclean Architects - rafemaclean.co.nz
Mechanical Design Fantech (NZ) Ltd - mvhr.co.nz
Builder Dunlop Builders Ltd - dunlopbuilders.co.nz
Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand15.4kWh/m2/year
  • Heating Load12.1W/m2 
  • Cooling Demand3.7%
  • Cooling Load7.6%
  • TFA207.1m2
  • Form Factor3.7
  • Air leakage @ 50Pa0.5 ACH/hour
  • PER demand28.3kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls 0.15 W/(m2K)(R6.9)
  • 165mm NZ SIP panels with a 45mm service cavity insulated with Terra Lana batts
  • U-value Floor0.17W/(m2K)(R5.9)
  • 240mm deep timber floor on piles with R6.2 Terra Lana batts and ply beneath
  • U-value Roof 0.12W/(m2K)(R8.1)
  • 290mm timber framed roof with R7.2 Terra Lana batts, Intello air control layer and 45m insulated service cavity
  • U-value Glass0.55 W/(m2K)(R1.8)
  • Silverstar EN2plus and Isophon Glas EN2plus
  • U-Windows0.9 W/(m2K)(R1.2)
  •  Thermadura Designline 90 Larch
  • Ventilation Efficiency 83%
  • ComfoAir Q350