1, intergrative design 2,super -silent airflow system 3,louver position memory function 4,DC inverter Central air condition solution The first brand •R134a gas environmental friendly•Water output tempreture :38°c-70 °c •Multi modes : E-heater,economic , hybird.•Close refrigerant circuit ,easy for plumber installation •CE approval •Multi protection:PT valve ,double high water tem protection ...