Heat Storm AirWave Portable Evaporative Cooler NOTE - This is an evaporative cooler, not an AC unit. This unit cools the air through evaporation of water. This unit works best in areas with low humidity (60% or less). Not suitable for humid environments EFFICIENT - The North Storm Air Cooler uses less energy than a traditional air conditioner(only 200 watts) due to the lack of power hungry components such as a compressor. Save money on your power bill! Efficiently cool 300+ sq feet from a unit that only takes up 2 sq feet! Built in LED display and timer allow for easy operation PORTABLE - At only 30 lbs empty with easy to roll locking casters, you can cool any room in your house with ease. Included remote makes adjusting it a breeze ECO-FRIENDLY - The North Storm AirWave does not use any harmful chemicals or refrigerants, instead it uses clean water or ice, which is ideal for you and your family. WARRANTY - North Storm is proud to offer a 1 Year Limited Warranty on this unit. Please consult owner's manual for more information. Buy with confidence!