| By using eco refrigerant  R410a, G10 Inverter engine technology of Gree and technology Ecodesign, the Change  DC Inverter air conditioners offer the perfect combination of power, energy efficiency,  to A + + and very quiet operation. 
 The new driver technology G10 Inverter engine, developed exclusively by Gree, allows  the compressor even with frequency 1Hz.
 Thus, the  compressor does not stop, even after reaching the desired temperature, eliminating  start-intensive and thus introducing new standards of comfort and reliability.
 
 In addition, the series Change DC is equipped with unique technology air  purification Cold Plasma of Gree.
 The technology  is based on a capable ionizer, with action neutralizes 90% of the bacteria, but  deodorant properties and charge air with negative ions, to a sensation of  freshness.
 
 Moreover, the new remote control with large LCD display ensures easy access to all  functions (cooling, heating, dehumidification, recycling, auto, sleep and timer),  aiming at the creation of an ideal environment for each user
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