How to be green – Ceiling Fan versus Airconditioning

I got asked recently whether running ceiling fans all night consumed more energy than running an airconditioning unit at night. So here are the calculations. Lets take a three bedroom house, assume that all three bedrooms will either have the ceiling fans or airconditioning on all night.

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The most efficient air conditioning system is one that’s turned off

A big thanks to one of my first bosses for telling me this keeper – “yes, heat exchangers make air conditioning more efficient but the most efficient air conditioning is one that’s turned off” – priceless and spot on. And so in that vein we have soldiered through our hot Sydney summer avoiding the use […]

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Making sure we are comfortable without the need for air conditioning

Computer processing power, open source design and some blimin clever people now mean we can predict and proactively design for thermal comfort in indoor, outdoor and semi-outdoor environments in about a third of the time it took us in 2005. This means that we can now provide analysis, feedback and alternative designs within the design […]

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