SPT SF-610 Portable Evaporative Air Cooler with Ionizer Versatile lightweight air cooler can also be used as a fan or humidifier Uses much less energy than an air conditioner 120 volts; 60 watts Remote control included 12 x 9.45 x 28.4 inches; 17 pounds; limited 1-year warranty For spot cooling only. Works best in very hot and dry climates, where humidity levels are &lt;40%. Does not provide the same cooling as an A/C unit.They are only meant to work in certain climates, specifically very dry and hot climates. They make the room humid unless the customer has an open door or window to release the humidity.