Get peace of mind and enjoy life at home knowing that the Frigidaire 10,000 BTU Window-Mounted Room Air Conditioner is continuously monitoring your room's air with the built in air quality sensor. The innovative U-shape design and ultra quiet inverter technology allows you to keep your room cool and comfortable with optimum circulation, while the compressor noise remains outside. This air conditioner is Energy Star® Certified and guarantees energy efficient performance, without sacrificing cool air.