DESC: This unit is one of the quietest Air Conditioners in the market with only 51 dBA Noise level. Also this unit features digital controls, full function remote control, 4 way air deflection, and 12 Hour on/off timer. The LG LWHD1200HR Features 12000 BTU cooling capacity and 11200 BTU Heating Capacity and is good fro rooms up to 400 Square Ft. This unit is good for window or wall installation(Sleeve included).