How to Build a DIY Swamp Cooler and Beat the Heat

A swamp cooler blows air over water or ice to reduce temperatures by as much as 15°F. Also known as an evaporative cooler, this DIY air conditioner is an easy build that can be completed in an hour or two and costs about $30 to $60. This swamp cooler will provide quick spot-cooling while you're working or relaxing.

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