Waikato - Tamahere

eHaus Euro - Passive House Classic

This large 370m² family home located in rural Waikato, has five bedrooms, 3 generous living areas, three bathrooms, and a triple garage. The main hub of the home with kitchen, dining and living areas, opens onto two separate outdoor spaces, one an intimate alfresco dining area and the other having an outlook onto the pool and children's play area.

The exterior is clad in a mixture of Cedar and Schist stonework, and features recessed window installation, resulting in an attractive detailed aesthetic.

European Larch - Aluminium window and door joinery gives beautiful warmth to the interior, while also ensuring ultra high thermal performance and airtightness.

Both shading and glazing on the north facing facade have been cleverly designed to meet solar gains vs heat loss balance, resulting in a home with extensive indoor - outdoor connection with the beautiful landscape.

This home has been fitted with a 9kw solar system designed to meet the properties demands, along with Tesla Powerwall 13.5kwH battery storage.

Design Components

Floor: Fully insulated concrete pad with a U-value of 0.147 W/(m²K)

Wall: 140mm timber frame U-value of 0.222 W/(m²K)

Roof: Double layer of fibreglass insulation with a U-value of 0.129 W/(m²K)

Window Joinery Frame: Dopfner Premium IV68 - Wood Alu - Uf value 1.10 W/(m²K)

Glazing: Double Glazed Argon Ug value 1.12 W/(m²K) G Value 61% and double glazed Low-g Argon Ug value 1.00 W/(m²K) G Value 34%

Ventilation: Zehnder ComfoAir 450 MHRV

Hot Water: Reclaim CO2 Heat Pump Hot WaterSystem

Performance Specs

Heating Demand: 11.8 kWh/m²/yr

Heating Load: 11.4 W/m²

Frequency of Overheating: 0.9% year over 25°C

TFA: 265.1 m²

Form Factor: 3.6

Air Leakage@50Pa: 0.4 ACH

PER Demand: 25 kWh/m²/yr