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Green Smart Magazine : 2009_new
available from the site. 'It also gives the home optimal solar orientation,' Peter says. Entry to the house is via a timber deck. The four bedrooms are arranged along the south side facing the ocean and are accessed via the entry hall. An internal staircase leads to the upper floor, where open plan living areas and a central kitchen open out to a north-facing entertainment deck positioned over the garage. With its integrated provision for Tom's surfboards in the garage, there's also a bathroom with rinsing and drying facilities for wetsuits. The ability to open the home to the outside elements is also key, and the house features a range of decks and outdoor spaces. The north-facing deck is ideal during the cooler months as it is sheltered from the winds and receives full sun, while a further large southern deck has views to the ocean and is sheltered from the winds by clear glass louvres. A polycarbonate roof, clad on the underside with timber battens to create a shaded area, encloses this deck. Some of the home's winning features, the judges said, were that 'the design incorporates cross-ventilation throughout the house, special glazing on the windows, sunshades to those windows that require them and thermal mass through the ground-floor slab.' Alongside the slab, the house gains passive solar features through double-glazed windows and low-e glass on selected north- facing windows. All north-facing windows are shaded by flat steel awnings or deep eaves, which shade the glass in summer but allow for low angle sun to penetrate the room during winter. Every space within the house has openable windows, while a central north- facing pop-up roof and high-level windows over the kitchen act as a thermal chimney, drawing the hot air up and out of the building. This minimises the need for occupants to use mechanical heating and cooling, Peter explains. Another feature of the holiday house is the BP Solar Energizer 1500 system. As the house is not occupied permanently, the electricity system acts as a solar farm, which generates credit against the owner's electricity bill. The system is grid-connected with a two-way meter to allow the excess electricity generated to flow into the grid. There's also a 300-litre solar hot water system fixed on the roof for hot water supplies. AS THE HOUSE IS NOT OCCUPIED PERMANENTLY, THE ELECTRICITY SYSTEM ACTS AS A SOLAR FARM, WHICH GENERATES CREDIT AGAINST THE OWNER'S ELECTRICITY BILL > smart essentials • concrete slab foundation • a rainwater collection and re-use system • solar power generation • solar hot water system • native plants and shrubs. ENTRY HALL ENTRY DECK BED 1 BED 2 BED 3 BED 4 SOUTH DECK NORTH DECK BENCH SEAT BBQ BENCH FIREPLACE AWNING OVER AWNING OVER LIVING DINING STORAGE KITCHEN ENTRY DECK STORE ENSUITE BATH ROOM LAUNDRY GARAGE © Architect: Jackson Clements Burrows FIRST FLOOR GROUND FLOOR greensmart 2009 27 LEFT & ABOVE: Orientation is a key factor in maximising energy efficiency