Efficiently heat and cool rooms up to 450 square feet with this compact ductless mini split system delivering 9,000 BTU of both cooling and heating capacity. Equipped with a 19 SEER2-rated inverter compressor and environmentally friendly R32 refrigerant, this energy-saving split AC unit provides consistent comfort while lowering electricity bills. The 4-in-1 functionality covers cooling, heating, fan, and dehumidification modes, all managed through a single remote control featuring ECO, Sleep, and Turbo settings. With noise levels as low as 28 dB and a display-off function, nighttime comfort is guaranteed without disturbance. The golden-fin anti-corrosion coating ensures reliable operation in temperatures ranging from 5 to 127 degrees Fahrenheit, and the built-in 135-degree self-cleaning system with a removable washable filter makes routine maintenance simple and quick.