Te Mata New Plymouth

   House Profile

Project Team

Architecture & Passive House Design eHaus - ehaus.co.nz
Builder eHaus - ehaus.co.nz
Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand15.4kWh/m2/year
  • Heating Load9.1W/m2
  • Frequency of Overheating1.0%
  • TFA213m2
  • Form Factor3.6
  • Air leakage @ 50Pa0.6 ACH/hour
  • PER demand35.5kWh/m2/year

Passive House Database - TBD

Construction Details Average Values

  • U-value External Walls 0.24 W/(m2K)(R4.1)
  • 140mm Wall with R4.1 Kanuf batts / ply / 45mm Cavity with R1.4 batts / plasterboard
  • U-value Floor0.18 W/(m2K)(R5.5)
  • Slab on grade with 200mm S grade EPS
  • U-value Roof 0.13 W/(m2K)(R7.6)
  • Timber truss roof with R5.2 and R3.2 Knauf batts.
  • U-value Glass1.14 W/(m2K)(R0.9)
  • Metro Climaguard Premium 2 double glazing
  • U-Windows1.4 W/(m2K)(R0.7)
  • Thermadura Natureline 90
  • Ventilation Efficiency 81%
  • Zehnder  - ComfoAir Q350 HRV

   The Builders

Hawkes Bay construction company Welch Builders have been the eHaus Licensees for the region since 2015. Qualified to build PassivHaus with over 40 years’ experience in the industry and a team of 5 qualified carpenters, three of which are site supervisors, Ian and Sharon are trusted experts when it comes to building an eHaus.

Well established in the Bay and known for high end quality builds, Welch Builders numerous award winning homes is testament to the workmanship Ian and his team guarantee. Ian is a qualified PassivHaus tradesperson, registered Master Builder and a licensed building practitioner.

The Welch’s could see immediately the benefits an energy efficient home provided and hopes that one day building eHaus becomes the new standard in New Zealand buildings. Discover the exceptional comfort and performance an eHaus build provides. Contact Ian or Sharon today to talk about building your eHaus in Hawkes Bay.