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"It's been a long, hot summer for most of us and with the run of high temperatures set to continue, air conditioners will keep getting a good workout. But many of us are wasting money through lazy energy consumption and bad habits. Australians have taken to air conditioning in a big way with an estimated 9.2 million units working to keep the summer heat away. Air conditioning is particularly energy hungry with many people wasting money on unnecessarily high electricity bills because they are ignoring a few simple ways to reduce their cooling costs."

"CSIRO has invented a new three in one solar air conditioning system that provides hot water, cooling and heating. It works by using heat from the sun and employs both desiccant and evaporative cooling technologies. See how the technology can work in the home."

Tired of hearing that sustainable construction has to cost more, Josh and his colleagues want to prove that resource efficient homes can be built at comparable cost and timeframes to regular houses. The homes will be thermally comfortable year round, without the need for air conditioning or additional heating. They will generate more electricity than they use, and will harvest and recycle water. In addition to private garden areas, a common productive garden will supply both houses with fresh food. What sets this project apart from many others is that the building designs have achieved a 10 Star energy efficiency rating*, whilst intentionally using conventional building materials and construction methods so they can easily be replicated by industry and the wider community. The project also demonstrates a more sensitive approach to residential subdivision that has considered maximising effective garden area around the homes to allow for natural shading, children's play spaces and local food production - important health and lifestyle benefits that are rapidly disappearing from our suburbs. Construction started in November 2012 and is scheduled for completion by May 2013.