INDcool Greeno Air Conditioner is a perfect Air Conditioner that can even sustain low voltage operation and remain stable. With the Turbo Cooling feature of the Greeno: IDCACS18K3F , you can quickly bring the temperature of your room to desired levels in a very short span of time! It protects your family from PM 2.5, PM 0.3, dust, pollen and Volatile Organic Compounds & live healthy. The Energy saver function shuts off the fan motor, when the compressor is off. Sleep mode increases temperature as you sleep without affecting your comfort levels & the rotary compressor cools faster while saving energy! It maintains desired temperature with less fluctuation using Digital Inverter technology, thus reducing energy usage!