It's important to get the right air conditioner for the job! The LG LW1216ER is ideal for cooling medium rooms up to 550 sq. ft. This ENERGY STAR? the certified unit has 3 cooling and fan speeds and a 24-hour timer to create a cooling schedule. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying, or just circulating air. If there is a power outage, the auto-restart feature will automatically turn your unit back on when power is restored. Other features include an easy window installation kit, removable, washable filter, and a check filter alert.