The NewAir AC-12100E portable AC cools up to 425 sq. ft. of space. This large capacity air conditioner uses auto-evaporative technology for increased energy efficiency. It's easy to set up and fully mobile, so you can take it wherever you need extra cooling. With adjustable louvers for targeted airflow, 3 fan speeds for custom comfort, and a convenient remote control, this unit is effective and perfect for medium size rooms.