Multi-function filters---catches most small dust particles, bacteria, house mites, pet fur and pollen to keep the indoor room air clean and fresh all time through.
Large Diameter cross fan---reduces noise greatly for indoor units without decreasing the flow volume and offer cool environment fast.
Super inner-grooved copper tube--- makes refrigerant flow much faster in the copper tube and enhances heat exchange efficiency up to 30-50% compared with the traditional smooth copper tube.
Strong dehumidification---in dehumidifying mode, the room can achieve comfortable humidity level without reducing room temperature. It is usually used in rainy days and damp area.
Sleep mode--- in sleep mode, the setting temperature increases (cooling) 1 centi-degree or decreases(heating) 2centi-degree  per hour atomatically in first two hours after running in sleep mode, which can helps to achieve the most comfortable environment and save energy as well.
LED display--- helps to monitor and operate the unit clearly and easily
Rotary compressor---compared with traditional compressor, it is low tremor and low noise in operation.
Time set--- helps the user set on/off time schedule flexibly.