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Fans vs aircon

Garth Luke, Mullumbimby

If you are thinking of getting air conditioning in your home, shop or office but are concerned by the energy use it might be worth looking at HVLS (high volume low speed) fans instead.

The fans I have are 84 inches (2.1 metres) across and provide a gentle, quiet breeze in all parts of the room.

I have been amazed by how they have transformed our comfort. A two metre HVLS fan will move six to ten times the air of a conventional size ceiling fan, more quietly and without blasting air at you. I have no financial interest in fan sales, or any arrangements with fan suppliers. I just want to share energy efficient methods to cope with the heat.


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One response to “Fans vs aircon”

  1. John says:

    Fans: Fans move hot air out and move other hot air in, so there is no cooling affect.
    The cooling affect comes from yourself. The air movement via the fan is circulating and therefore evaporates more moisture from your skin, and when the sweat evaporates it draws heat out of your body. That is the cooling affect, your own blood. To have the maximum cooling affect therefore you need to be in good health and fit as then your heart circulates the blood to the skin well and dissipates the heat out into the air and that requires you to drink more water. Older people with poor circulation and poor hearts and lungs require air-conditioning.

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