This Portable AC boasts a 7000 BTU cooling capacity, so you can quickly enjoy energy-efficient, cost-effective cool air. 3-in-1 AC Unit as Air Conditioner, Dehumidifier, or Fan. A large or small natural wind blows away the stuffiness and refreshes you. Sometimes dehumidify the indoor air and remove excess moisture to control the relative humidity. In the new Inventor series of portable air conditioners, the internal structure has been optimized to reduce the noise level. With a low sound pressure level of 65dB at maximum power, the Chilly portable air conditioner is an excellent choice for maintaining the ideal temperature while ensuring a low noise level for your environment.