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Housing : March 2009
Insulation Feature still being built today without the right levels of insulation, but clients are becoming more informed and more aware of the impact their home has on the environment and are increasingly demanding higher standards’. Glass, and the size of windows, is also obviously an important consideration when it comes to energy efficiency and the transfer of heat and cold. Bruce Tosello, national marketing manager for Stegbar, one of Australia’s leading window manufacturers, says windows are a major source of heat transfer – letting unwanted heat in during summer and warmth out during Right from the start – in 3D Ensuring all your energy efficiency needs are included in the design right from the start will save on retrofitting costs down the track. SoftPlan V14 – with its detailed 3D sun studies and shading animations – displays where and when shade will be provided by the structure. Using this information the designer can make the most use of winter sun and summer shade. Also, external walls in SoftPlan’s extensive library are insulated as can be the floor, ceiling and roof, providing an accurate material list of insulation and other components. The ability to alter the direction of the building on the site lets users analyze other possibilities with regards getting the best orientation for shading and comfort. The homeowner can also view the designer’s concepts with the free SoftPlan reView markup and viewing tool, which allows 3D models to be rotated and viewed from any angle, making the owner confident of the final design. Above: Correct orientation will maximise a home’s energy efficiency. winter. The type of glass used in a window is a vital component in the combat against heat gain and heat loss. As glass technology advances – and the fact that windows represent a major opening in a building envelope – choosing the right type of glass is vital in achieving an energy efficient environment. ‘It’s important to consider the effects and understand the insulating properties Image courtesy Cadbuild