【Efficient Cooling and Heating】 The 9000BTU mini split air conditioner comes equipped with a high-power compressor and 0.75 ton built-in heat pump, allowing for quick and efficient cooling and heating. 【Multiple Operating Modes】 This AC unit includes cooling and heating functions, dehumidifying mode, fan mode, turbo function, ifeel function, ECO energy saving mode, sleep mode, iclean mode, power off memory function and auto defrost function. 【Adjustable Design】 The air conditioner has 4 adjustable fan speeds (low/medium/high/auto) and can distribute air in various directions. And the temperature adjustment range is 60℉- 90℉, providing you with a more comfortable experience. 【Innovative DC Inverter】Innovative inverter technology allows this air conditioner adjust the compressor speed without frequent compressor switching, reducing noise during operation (less than 42 dB) and extending the service life of the equipment. 【Self Cleaning & Auto Defrost】: This conditioner can automatically clean its inside and keep the air fresh with the design of washable filter and self-cleaning function. Besides, the outside unit has an auto-defrost mechanism to prevent damage.