Home' Scoop Homes and Art : Scoop Homes and Art 35 Contents 78 HOMES & ART SUMMER 2012
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SOLAR WATER HEATING
Cold showers are the old way of being green.
Get your hot water at a low cost – to you and
the enviro n ment – co ur tesy of the su n’s rays.
Depending on the climate, solar water heating can
provide up to 90 per cent of your hot-water needs.
The upfront cost of buying and installing a solar
water heater is higher than electric or gas heaters,
but they heat water at zero cost... and heating
accounts for 25 per cent of the average home’s
energy use. This Western A ustralian home has
a 5kW ro of-mo un ted solar photovoltaic a rray
that provides all the ho me’s en ergy. S olar-heated
water is provided via evacu ated tube techn ology,
w hich captures more su n light that flat pa nel/plate
s ystems due to a greater ex posed su rface area. The
Federal Govern men t’s Ren ewa ble Energy Bo n us
Scheme for so lar hot water closed in Jun e 2012, but
households a re still eligible fo r fi n ancial in centives
thro ugh the S mall-scale Renewable Energy
C House by Chinda rsi Architects, chinda rsi.co m.
Wate r restrictio ns an d low water levels in Perth da ms mean risi ng water bills. Rainwater tan k s are an easy way to save o n
these costs. The average residential roof in Perth can collect up to 50,000 litres a year, w hich fulfils up to 28 per cent of
annual hot water usage, drinking, bathing, gardening, toilet flushing and clothes washing. Luckily rainwater tanks have
co me a lo ng way sin ce the archetypical ru sty farm tan k , with optio ns like fiberglass, con crete or plastic tan k s that can
fit underneath a deck or house, or sit flush with a wall. This extensive roof takes advantage of New South Wales’ rainfall
w ith large capacity rainwater sto rage a nd reticulatio n . M udgee Residence by BHI Architects, bhia .com.au .
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