The Haier 12,000 BTU Portable Air Conditioner provides cool air for rooms up to 450 sq. ft. It is user friendly, energy efficient and comes with a quick-install window kit. The directional casters allow for easy movement from one room to another while prominently featuring a full readout digital temperature display. Depending on your comfort level, there are three cool settings and three fan settings so you can adjust the airflow in the room to suit your needs. This portable air conditioner also has a slide-out washable mesh filter for easy and convenient cleaning.