Introducing the first-ever U-shaped Inverter Window Air Conditioner that allows you to open or close your window while the unit is installed. The innovative design makes installation very easy, and the ability to close the window isolates the noise outside making it ultra-quiet. Ultra Quiet – The U-shaped design blocks the noise coming from the compressor outside. Quick & Easy Installation – Includes a quick-snap bracket. Long-distance Airflow up to 20 feet – The strong airflow allows you to feel the cold air up to 20 feet away. *Please note: Depending on the climate in your area, as well as room size, you may need to purchase a larger unit for best effect.