Taranaki - Oakura by eHaus

Taranaki - Oakura

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eHaus Euro - PHI Low Energy Standard - Non Certified This single level home nestles into the rolling hills in Oakura and presents the owners with a lifetime of stunning sea views, naturally beautiful surrounds of lush native planting and an extraordinary back drop of the Kaitake Ranges. Designed and built to provide a combination of a family home with an accommodation wing that caters for returning family and guests. A feature that demonstrates the flexibility of material choices when working with eHaus is the beautiful river stone wall that greats you on arrival. Design Components Floor: Fully insulated concrete pad with a U-value of 0.183 W/(m²K) Wall: 140mm timber frame with service cavity U-value of 0.220 W/(m²K) Roof: Double layer of fibreglass insulation U-value of 0.132 W/(m²K) Window Joinery Frame: Thermally Broken Aluminium NZ Uw value 3.8 W/(m²K) Glazing: Double Glazed Low E Argon Ug value 1.12 W/(m²K) G value 61% Ventilation: Zehnder comfo 450 MHRV Hot Water: Econergy Heat Pump 300 litre internal storage Heating/Cooling: Wood burner & Zehnder comfo cool unit Performance Specifications Heating demand: 16.4 kWh/m²/yr Heating load: 13.5 W/m² Frequency of Overheating: 1.2% year over 25°C TFA: 224.1 m² Form Factor: 3.96 Air leakage@50Pa: 1.28 ACH PER demand: 74 kWh/m²/yr

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energy efficient single level warm and healthy sustainable high performance

Project team

eHaus

Classic single-level home in Oakura, completed in 2015, featuring stunning sea views, a flexible accommodation wing, and energy-efficient design with high-performance insulation and ventilation systems.

eHaus Euro - PHI Low Energy Standard - Non Certified

This single level home nestles into the rolling hills in Oakura and presents the owners with a lifetime of stunning sea views, naturally beautiful surrounds of lush native planting and an extraordinary back drop of the Kaitake Ranges. Designed and built to provide a combination of a family home with an accommodation wing that caters for returning family and guests. A feature that demonstrates the flexibility of material choices when working with eHaus is the beautiful river stone wall that greats you on arrival.

Design Components

Floor: Fully insulated concrete pad with a U-value of 0.183 W/(m²K)

Wall: 140mm timber frame with service cavity U-value of 0.220 W/(m²K)

Roof: Double layer of fibreglass insulation U-value of 0.132 W/(m²K)

Window Joinery Frame: Thermally Broken Aluminium NZ Uw value 3.8 W/(m²K)

Glazing: Double Glazed Low E Argon Ug value 1.12 W/(m²K) G value 61%

Ventilation: Zehnder comfo 450 MHRV

Hot Water: Econergy Heat Pump 300 litre internal storage

Heating/Cooling: Wood burner & Zehnder comfo cool unit

Performance Specifications

Heating demand: 16.4 kWh/m²/yr

Heating load: 13.5 W/m²

Frequency of Overheating: 1.2% year over 25°C

TFA: 224.1 m²

Form Factor: 3.96

Air leakage@50Pa: 1.28 ACH

PER demand: 74 kWh/m²/yr

Completed: 2015
Price range: $0.5m - $1m
Building style: Classic

9720h 50m

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Professional Reviews

1 / 7

“You get a house with a healthy environment — there’s no condensation, no mould and no heating costs. It made sense to build this way. I like that you can control the humidity levels and the little things you notice, like the bedding is always dry. Hofmans Builders created a beautiful, high standard home, Steve and Susie and their team were great to work with and we would not hesitate in recommending them to future e-Haus clients.”

Ian & Annie