LG LW1816ER 18,000 BTU 230V Window-Mounted Air Conditioner, White 2016 energy star: 11.9 energy efficiency Ratio (EER) Special 230V electrical outlet required (Unit will not work with a standard 115V outlet) 18,000 BTUs Cools a room up to 1000 sq. Ft Dehumidification up to 4.9 pints per hour 3 cooling speeds/3 fan speeds for cooling flexibility