The American Comfort ACW100 1,000 BTU personal air conditioner is only meant to be used as a personal chiller as warm air is blown out of the back of the unit and cold air out of the front. It adds cooling comfort where you need it by spot cooling you and your immediate surrounding space instead of a whole room. The ACW100 personal air conditioner is designed to keep your personal space cool, dry and comfortable. Requires No VentingThe American Comfort ACW100 personal air conditioner can be used at home while sleeping or watching television or brought to offices, boats, campers or motor homes. It requires no venting and features a lightweight, 30 pound design that rolls easily from room-to-room. Dehumidification FunctionThe ACW100 personal chiller can dehumidify up to 30 pints of moisture per day to keep humidity in check. Protects Against OverflowingThis personal air conditioner protects against overflowing with a "bucket full" indicator and an auto-shutoff function.