Mangawara Residence New Plymouth

   House Profile

Project Team

Architecture & Passive House Design eHaus -
Mechanical Design eHaus -
Certifier Sustainable Engineering Ltd –

Passive House Metrics

  • Heating Demand15.3kWh/m2/year
  • Heating Load10.6W/m2
  • Frequency of Overheating0.1%
  • TFA138.4m2
  • Form Factor3.6
  • Air leakage @ 50Pa0.5 ACH/hour
  • PER demand49.8kWh/m2/year

Passive House Database - TBD

Construction Details Average Values

  • U-value External Walls 0.21 W/(m2K)(R4.7)
  • 140mm insulated timber wall with insulated 45mm service cavity
  • U-value Floor0.18 W/(m2K)(R5.5)
  • Concrete slab with 200mm continuous EPS
  • U-value Roof 0.12 W/(m2K)(R8.4)
  • 3 layers of 240mm R4 ceiling blanket in truss roof
  • U-value Glass1.10 W/(m2K)(R0.9)
  • Energate double (4/18/:4 90% Ar)
  • U-Windows1.4 W/(m2K)(R0.7)
  • Energate 763 uPVC
  • Ventilation Efficiency 88%
  • Zehnder  - ComfoAir Q350 HRV

   The Builders

Steve and Susie have been the eHaus Taranaki Licensee since 2014. Steve is a certified PassiveHaus Tradesperson with several eHaus builds to-date and has over 20 years’ building experience in both Taranaki and abroad. He is an executive member of the Taranaki Masters Builders Association, with several ‘House of the Year’ awards in excellence for workmanship, creativity and innovation. The Hofmans brand is both creditable and trusted. Anyone meeting Steve, Susie and their team will be impressed by their passion and professionalism for eHaus and building the PassivHaus way.

Hofmans Builders have a reputation for building high quality homes for their clients. Steve’s personal approach to all projects is a key part of the way he works. He is a certified PassivHaus tradesperson, Registered Master Builder and a Licensed Building Practitioner. Susie has a diploma in Interior Design and is always on hand to offer advice.

They employ people who have the same drive and expectations as they do. All are focused on the same outcome and strive to produce award winning work. Hofmans Builders are proud to be the Licensee for eHaus Taranaki. Building beautiful homes is one thing, but building beautiful homes that are guaranteed to perform and provide all year-round comfort is another. An eHaus built the PassivHaus way is redefining the way we live. Call Steve and Susie today and experience an eHaus first hand.