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Articles on Insulation

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An infrared image of a home shows the heat loss from windows. Getty Images

On hot days, up to 87% of heat gain in our homes is through windows. On cold days, it’s 40% of heat loss. Here’s how we can fix that

Compared to roughly 80% in the US, UK and NZ, only 11% of Australian homes have high-performance windows. Installing them can transform a household’s comfort, energy use and emissions.
Is it better to cool your house all day, or adjust the A/C setting on your way out the door? Westend61 via Getty Images

Does turning the air conditioning off when you’re not home actually save energy? Three engineers run the numbers

Energy modeling software provides insight into whether letting your A/C relax while you’re gone all day will save you energy – and money.

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