Want to Use Less Air Conditioning? Just Turn on a Fan
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Earlier this year, the UK attempted to go coal-free. But an increased need for air conditioning forced the usually temperate country to reverse itself and restart an old coal-fired power plant — after only 46 days.This is a cycle that's likely to get more vicious as hotter weather leads to more air conditioning, which exacerbates both global warming and urban heat islands. But maybe we don't need nearly as much AC as we think. The answer isn't to suffer in pools of sweat but to use scientific knowledge about human physiology to stay just as cool with a lot less AC. Scientists say we can use about 70% less air conditioning and achieve the same comfort level by increasing air flow with ordinary electric fans. This makes intuitive sense, as most of us feel uncomfortable in a stuffy ...
