Waikato ExpoHaus Hamilton

Project Team

Architecture & Passive House Design eHaus – ehaus.co.nz
Construction Brown Construction – www.brownconstructionltd.co.nz
Certifier Sustainable Engineering Ltd – www.sustainableengineering.co.nz

This Award Winning home is an eHaus Euro Located on a beautiful rural lifestyle block in Taupiri – north of Hamilton, this 4 bedroom, 2 bathroom home has north facing living areas with plenty of indoor outdoor flow, and a double garage. A large covered outdoor living area is assessed from both the living areas. Contemporary exterior finishes of black brick and cedar cladding, with the timber and black detail carrying through into the interior finishing, especially in the beautiful designer kitchen and scullery. This house also showcases extensive interior joinery in living, dining, laundry areas. This home has many energy efficiency features such as the high performance German Engineered window and door joinery, solar PV system, Ventilation system with heat exchanger, Heatpump domestic hot water system, and airtight construction, which enable it to perform to such a high standard. This home was extensively computer modelled using the local climate data prior to construction to ensure thermal performance of every detail.

Passive House Metrics

  • Heating Demand15 kWh/m2/year
  • Heating Load13 W/m2
  • Frequency of Overheating0%
  • TFA187.6 m2
  • Form Factor3.7
  • Air leakage @ 50Pa0.41 ACH/hour
  • PER demand42 kWh/m2/year
  • Renewable Energy Generation21 kWh/m2/year

Passive House Database 5597

Construction Details Average Values

  • U-value External Walls0.22 W/(m2K)
  • Plaster Board
  • U-value Floor0.21 W/(m2K)
  • Reinforced concrete floor slab with 200mm of EPS insulation
  • U-value Roof0.12 W/(m2K)
  • Plaster Board, Fibreglass insulation
  • U-value Glass1.15 W/(m2K)
  • 23ud-Energate - standard double glazing (4:/16/4: Ar)
  • U-Windows1.50 W/(m2K)
  • Energate 963 Wood/Alu opening
  • Ventilation Efficiency81.51%
  • 01ud-Zehnder - ComfoAir Q350 HRV