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Green Smart Magazine : 2009_new
demonstrating how a functional 215 square- metre home can reduce energy as well as ongoing running costs. The house won the 2008 HIA GreenSmart Project Home of the Year Award. At just 8.98m wide, the three-bedroom house sits on a frontage of 11m and presents a contemporary façade with a skillion roof, stacked stone cladding to the front portico, parapet portico feature and mixed materials on the façade. The two living areas downstairs have access to outdoor spaces, and offer sliding doors and louvres for cross-ventilation. Upstairs, a two- storey void creates an instant 'wow' factor, while all three bedrooms are located here as well as a study. Designed by Robin Bradley Design architects, the house's many substantive and positive ecologically sustainable development (ESD) features are just as impressive as its aesthetic. Mike is proud of the passive design used in the house. He and his team worked hard to promote cross-ventilation and airflow to improve natural cooling of the house, thus avoiding the need for airconditioners. This is achieved by strategically placed openable windows and louvres throughout to promote good horizontal airflow, while the core two-storey void mentioned earlier draws hot air through the home vertically and releases it through a bank of louvres in the raised ceiling area on the second floor. The core also provides abundant natural lighting. A further example of the house's passive design is that it can be oriented in multiple ways to suit the northern light. Unlike rigid display homes that are required to face the street, the Aquarius can be used for multiple orientations to achieve maximum passive solar gain. Thermal comfort is increased by introducing Cavity Brickwork to the ground floor, along with insulation, low-e clear glazing, a shading sail to the rear, and pergola to the side. Mike and his team worked particularly hard to far exceed the minimum requirements of BASIX, and the Aquarius achieves this easily. The team was also assessed under the more stringent and comprehensive AccuRate and achieved 4.8 stars. It would have achieved five stars had it used three square metres less glass. Mike points out that some of the steps are expensive, but many are not, and highlights that it doesn't cost heavily to make a house sustainable. The estate is connected to Sydney Water's Rouse Hill recycled water scheme. 'This has allowed the connection and reticulation of recycled water to external garden taps and indoor toilets within the smart essentials • passive design • recycled water for garden use and in toilets • hot water recirculation system • fluorescent lighting • native, drought-tolerant vegetation • affordable and liveable. greensmart 2009 53 THE AQUARIUS CAN BE USED FOR MULTIPLE ORIENTATIONS TO ACHIEVE MAXIMUM PASSIVE SOLAR GAIN > BELOW: The Aquarius home is functional and affordable, without compromising on style