Guangzhou Deron Heat Source Facilities Co., Ltd provides Air Source Domestic Heat Pump Water Heater as follows: 1, Koln Xunguang Suite Type (Color coat model) Mode: DE-80LW, DE-100LW, DE-150LW,DE-200LW, DE-300LW, DE-400LW, DE-500LW 2,Hamburg Xingyue Type(Stainless steel model) Mode: DE-80LW, DE-100LW, DE-150LW,DE-200LW, DE-300LW, DE-400LW, DE-500LW 3,Berlin-suite Villa Type(Metal paint model) Mode: DE-80LW, DE-100LW, DE-150LW,DE-200LW, DE-300LW, DE-400LW, DE-500LW We provide central heat water systems for domestic use, By applying the integration of heat pump technology from Germany Deron and air energy utilization system ,energy saving efficiency is reached as high as 75 percent. Technical parameters as follows: Compressor: Hitachi/Highly Expansion Valve: Emerson ALCO original Fan: Joint Venture Fan Heat exchanger: Shell and Tube Highly Efficiency UAR Copper Pipe: Thickening of Copper Pipe Heat Preservation: Polyurethane foam green Shell: Color coat / Metal paint /Stainless steel shell 304# Both Inside and Outside Heating power(kw): 3.4-10.8 Energy saving efficiency: 75% Ambient temperature(C): -10-45