Trends New Zealand NZ New Home Trends Vol. 30/7 | Page 74

Above: The site was chosen in part
for its panoramic outlooks, but
passive control over the elements
was also an important part of the
eco-friendly design. Sensor-operated
louvres screen out the hot summer
sun, while admitting the winter sun
on a lower trajectory. All interior
fit-out items are non-toxic with low
VOC and formaldehyde credentials.
Carpets manufactured from natural,
renewably sourced polymers are
another feature in the home.

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The self-sufficient house also avoids undue
drain on the mains water supply. Instead the
home utilises hybrid rainwater harvesting.
“The house uses rainwater when available,
but during the dryer months the system automatically switches over to the main water
supply,” Harrington says. “The system includes
a 25,000L tank with a first flush and filtration
system that prevents the rain washing roof contaminants into the water supply.”
A grey-water sump recycles water from the
showers, bathrooms and laundry to minimise
waste going into the town sewage.

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These eco-friendly systems are augmented
by energy-efficient appliances and lighting,
along with water-efficient tapware and fixtures.
A healthy indoor environment and minimal
carbon footprint were also an integral part of
the show home’s comprehensive green agenda,
says Harrington.
“The exterior is finished in a planet-friendly
combination of aerated concrete, which includes
a recycled steel manufacturing by-product, and
carbon-negative timber cladding.
“Non-toxic paints, glues and resins were
specified throughout, and we chose as many