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2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

2 Days Only: Tour New Zealand’s Most Energy-Efficient Homes. Register Now: 

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St Clair Dunedin Exterior Side Night

PASSIVE HOUSE CLASSIC

St Clair Dunedin

Carbon Savings

41,660 KG

Heat Savings

94%

This amazing home sits south west over the coastal view.  The architects had to solve the issue of being able to enjoy the vista while enabling some shelter from the prevailing winds. Super insulation was used along with Triple argon filled low-E coated glazing necessary for the climate this far south. European windows by ecoWindows in wood and aluminium also feature. This grid tied photo-voltiaic home is perfect for this progressive family, often generating more energy than it uses.

Design Components

Floor
EPS raft slab 200mm U-value = 0.131 W/(m²K)
Wall
140mm timber frame with service cavity U-value = 0.212 W/(m²K)
Roof
Double layer of fibreglass insulation U-value = 0.119 W/(m²K)
Window Joinery Frame
EcoWindows – Wood Alu HA 78 Premium U f-value = 1.30 W/(m²K)
Glazing
Triple glazing Argon U g-value = 0.60 W/(m²K) g -value = 54%
Ventilation
Zehnder Comfo Air R 350 MHRV
Hot Water
250L Hot water cylinder
Heating/Cooling
Under tile heating mat on ensuite and bath

Performance Specs

Heating Demand
12.04 kWh/(m²yr)
Heating Load
13.7 W/m²
Frequency of Overheating
0% year over 25C
Treated Floor Area
181.9m²
Form Factor
3.04
Air Leakage @ 50Pa
0.50 ACHn50
Per Demand
95 kWh/(m²yr)

Consultant: Team Green Architects

Certifier: Mead Energy and Architectural Design

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