This high-performance air conditioner can comfortably cool or heat a large living room. The improved electronic air cleaner function employing plasma ions effectively eliminates pollution and particulate matter from the air. In addition to controlling the temperature and humidity, the basic functions of an air conditioner, this product also suppresses the inflow of particulate matter that can adversely impact health, an issue of increasing concern worldwide. The exterior design features a shape and color intended to be as unobtrusive as possible within the architectural space, and to provide a tidy appearance.