DESC: The Amcor PLM-16000E portable Air Conditioner is designed to condition an average-sized rooms up to 500 sq. ft. The Amcor PLM-16000E Portable Air Conditioner features Patented Evaporative Booster Technology - During the cooling process, water is extracted from the air as it passes through the unit. Most of this water is used to cool the unit and make it run more efficiently.