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A video guide to our house
An overview of our house that I have done for Sustainable House Day 2026.
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Electrically opening ceiling hatches for ventilation flow
One of the two excellent ideas I gained from Derek Wrigley’s much underestimated book ‘Making Your…
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Four questions that Passivhaus proponents in Australia refuse to address.
Here are four simple questions that you’d think would be easy for Passivhaus proponents in Australia…
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With the right design, energy efficient homes in many climates don’t need to be tightly sealed.
One of the interesting things about the different approaches to energy efficient homes is that those…
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Effectively cooling thermal mass in summer in a passive solar home
Thermal mass in a passive solar home absorbs interior heat during a hot summer’s day, keeping…
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2025/2026 summer performance of the house
So how did our passive solar house perform over the whole of the 2025-2026 Australian summer…
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Why radiant heat transfer matters for comfort
We’re very familiar with being heated by radiation – sunshine. If we stand outside in a…
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Nothing innovative, nothing complex, nothing expensive.
People often say of our house design, “It’s so innovative!” But no, it’s not – in…
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All day without power… and it’s 36 deg C outside
So what do you do if it’s a 36 deg C day and the power is…
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Books to read
In an earlier post I showed the classic energy-efficient home design books from my library. Now…
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Passive solar home cooling in summer
Passive solar home design uses four elements: In summer, performance is most heavily governed by shading,…
