eHaus Euro - Passive House Classic - non Certified

This house is designed and built for a Swiss couple that wanted a warm comfortable home like they were used to in Europe.  The home is set in the foothills of Mount Taranaki with clear views of the mountain and the coastline.
“You can hop out of bed at 2 o’clock in the morning, it’s warm, and it’s warm everywhere …. not just in the lounge area … it’s warm in the bathroom, it’s warm everywhere without us doing anything” Rudolf and Verna

Design Components:

Floor – Fully insulated concrete pad with a U-value of 0.24 W/(m²K)

Wall – ecoBlock ICF wall  U-value of 0.267 W/(m²K)

Roof – Double layer of fibreglass insulation U-value of 0.184 W/(m²K)

Window Joinery Frame – Energate 834 German uPVC Uf value 0.72 W/(m²K)

Glazing – Triple Glazed Low E Argon Ug value 0.50 W/(m²K) G Value 52%

Ventilation – Zehnder Comfo Air 350 MHRV

Hot Water – Solar Thermal 30 evacuated Tubes system with internal 300 litre water storage

Heating/Cooling – 3.5kW Heat-pump and an inline direct electric heating element in ventilation system controlled by comfo ease panel.

Ecological features  – 45,000 litre water harvesting system. Natural flow black and grey water treatment system with composting.

Performance Specifications:

Heating Demand 11.1 kWhy/m2/yr

Heating Load: 10.6 W/m2

Frequency of Overheating: 0%

TFA: 203.4 m2

Form Factor 3.35

Air Leakage@50Pa: 0.39 ach

Primary energy requirement: 107 kWh/m2/yr