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Energy efficient homes There are 3 million homes in New South Wales that use around 18,500 gigawatt hours of electricity a year, or 27 per c

Another key aspect is the insulation. Generally speaking ceiling insulation followed by wall insulation are the key factors for improving en

Shading. Awnings, eaves, louvers, blinds are all types of shading applied to walls and windows. Eaves play a significant role in the passive