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Confessions of a NatHERS assessor

In addition to being an architect and consultant that specialises in eco-effective building design, I am also a NatHERS accredited assessor. NatHERS refers to the Nationwide House Energy Rating Scheme, which is used throughout Australia to rate the thermal performance of residential buildings. NatHERS software is used to calculate the heating

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Q+A: Design Advice for an Outdoor Living Area?

We’re looking to build a new outdoor entertaining area applying passive solar techniques. We want to make sure that it doesn’t get too hot in summer – would a whirlybird in the roof help? We also like lots of winter sun for warmth, but also want the area to be

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Taking a performance-based approach to Deemed to Satisfy

There are two pathways for demonstrating a residential building meets the energy efficiency requirements of the National Construction Code: Performance Solutions and Deemed to Satisfy. Many of you will already be familiar with the Deemed to Satisfy provisions for energy efficiency. It consists of a prescriptive “how to” list of acceptable construction practices that have to

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