Waikato - Whatawhata - eHaus | ArchiPro

Waikato - Whatawhata

eHaus Euro - Passive House Classic - Non-Certified

This ehaus fits snugly on its rural Waikato site. The north-facing, open plan living area has many picture windows and indoor-outdoor flow to large timber decks, designed to enjoy the views overlooking the Waipa River. The owners can also retreat to a central media room away from the hustle and bustle of the rest of the house, or to their Master suite, cleverly separated at one end of the home, away from the other two bedrooms. The light and airy interior spaces feature timber right throughout the house, mainly through the use of beautiful European Spruce timber window frames, nicely contrasting with other black and white fixtures and fittings in the kitchen and bathrooms.. The natural finishes of Abodo timber and dark brick on the exterior cladding mean that this home blends into its hillside location, an important factor to its ecologically minded owners.

Design Components

FLOOR Fully insulated concrete pad with a U-value of 0.182 W/(m²K)

WALL 140mm timber frame with service cavity U-value = 0.223 W/(m²K)

ROOF Double layer of fibreglass insulation U-value of 0.131 W/(m²K)

WINDOW JOINERY FRAME Dopfner Premium IV78 - wood-alu - Uf value: 1.1 W/(m²K)

GLAZING Triple glazed Argon U g-value = 0.60 W/(m²K) g-value = 41%

VENTILATION Zehnder Comfo Air Q350 MHRV 

HOT WATER Bosch Compress 3000 - 270L capacity hot water heat pump

Performance Specs

Total Floor Area: 192.12m²

Heating Demand: 9.9kWh/m²/annum

Heating Load: 10.6W/m²

Frequency of Overheating: 5.6% year over 25C

TFA: 172.4 m²

Form Factor: 3.77Air Leakage@50Pa: 0.49 ACH

PER Demand: 31kWh/m²/yr

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