Whanganui – Riverton 

By eHaus

Profile
Whanganui – Riverton  banner
Project by
Location
Otamatea, Manawatu-Wanganui
Year of completion
2010
Project cost
$0.5m - $1m

eHaus Euro - PHI Low Energy - Non Certified

The first eHaus developed in 2010 as a prototype to test the theory of Passive House and the newly developed New Zealand climate data. When completed it was the most air tight house that had been built in New Zealand (0.6AC n50) and was tested by Thomas Van Ramsdonk from Proclima who had one of the few blower doors in NZ at that time. Following construction the house was monitored in 2011 – 2012.   The performance of the home met all the expectations and confirmed the decision for eHaus to focus on the Passive House Standard. A conventional external style was chosen in keeping with the subdivision but the inside is very modern. A large open plan dining, living kitchen area with en-suite that is an integral part of the master bedroom separated by a floating wall. The house was constructed using ecoBlock which proved to be an excellent option for this and many future projects.

 

Design Components

Floor: Insulated concrete pad with a U-value of 0.598 W/(m²K)

Wall: ecoBlock ICF wall  U-value = 0.267 W/(m²K)

Roof: 300mm of wool insulation U-value of 0.142 W/(m²K)

Window Joinery Frame: Thermally Broken Aluminium windows – Uf: 3.8 W/(m²K) 

Glazing: Double Glazed 4-16-4 Low E Argon U g-value = 1.3 W/(m²K)  g -value = 64 %

Ventilation: Zehnder Comfo Air 350 MHRV

Hot Water: Flat Panel Solar Hot water systems (5.4m²),  with 300 litre internal storage

Heating/Cooling: Pellet fire , 600W  Heated towel rail

Ecological features: 10,000 litres of potable water storage

 

Performance Specifications

Heating demand: 19.0 kWh/m²/yr

Heating Load: 12.0 W/m²

Frequency of Overheating: 0% year over 25°C

TFA: 188 m²

Air Leakage@50Pa: 0.6 ACH

About the
Professional

At eHaus, we live like efficiency is our point, and intelligent construction our norm. We live like our environment is a privilege and protecting it our responsibility. We live like New Zealanders are our passion, and ingenuity is our response.

eHaus was established in 2010 by Jon Iliffe and Baden & Glenda Brown with the dream of creating a New Zealand owned and operated specialist design and construction company using PassivHaus build and design principles.

Jon, a Mechanical Production Engineer from Rolls Royce Motors, arrived in New Zealand and looking to build a family home went seeking out alternative options and found the PassivHaus way.

Baden, a master builder of 20 years, disillusioned with the poor performance of the high-end homes he was building for clients, also was seeking other options, and discovered PassivHaus. Together, with Jon and Glenda - Financial director, eHaus was formed.

Our eHaus team is made up of some of the country's best Passive House builders, architects and designers who are redefining the way kiwis live, one home at a time. Our team of professionals work together to see your dreams come to reality.

Today eHaus is recognised as award winning and New Zealand leaders in PassivHaus design and construction. Find out more about eHaus and our teams here: https://ehaus.co.nz/

Our locations include:

  • Northland
  • Waikato
  • Taupo
  • Gisborne
  • Hawkes Bay
  • Taranaki
  • Whanganui
  • Manawatu
  • Kapiti
  • Wairarapa
  • Wellington/Hutt Valley
  • Blenheim
  • Waitake/Waimate
  • Christchurch
  • Central Lakes
  • Southland