Standard type(Heating capacity:5.6~25kw)Anti-UV ABS plastic shell, anti-corrosionRipple fin titanium air exchanger 5~8% more efficient than standard heat exchangers No welding points reduce gas leakage risk by 30% Blue tec coated hydrolic evaporatorClock & Timing on/off functionWater proof display and keyboard for operation Dual fan speed-low noise and horizontal air out Automatic heat/cool transferWide ambient working temperature -5â~53â CE approval