LG LT1036CER 9800 BTU 230V Through-the-Wall Air Conditioner with Remote Control 2016 energy star: 10.6 energy efficiency Ratio (EER) 9800 BTUs cools a room up to 450 sq. Ft Special 230V electrical outlet required (unit will not work with a standard 115V outlet) Through-the-wall installation (not suitable for window installation) 3 cooling speeds/3 fan speeds for more cooling flexibility.Air Flow (CFM) 250