This 'Arctic Air' Pure Chill machine is trying to sell itself as an air conditioner, but it's actually a cleverly disguised evaporative humidifier, like you'd use in an old house in wintertime. Ridiculous. Here's a bit of testing and science fundamentals to help you avoid rebranding and other marketing tricks in your home. For the testing, I used the temperature/humidity datalogger HOBO MX1101.
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