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Master Cool Evaporative Window Cooler

Earth-Friendly TechTraditional air conditioners brutalize Ma Nature by hogging power and using toxic refrigerant chemicals, which can damage the ozone layer. Evaporative coolers, like this $600 model made by Master Cool, are kind not only to the environment, but also to your bottom line, slashing cooling costs by as much as 75 percent over standard air conditioners. The coolers work by sucking warm air through a water-soaked pad, which ices down the air before it's shot out the other side.



Tags: climate, energy, environment, friendly, green

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