Recently, our air source all in one heat pump water heater is very popular,especially in the India Market.100L-400L optional,all in one design,save space,easy installation.Interal/External refrigerant coil optional.Max hot water up to 60 ℃.E-heater as backup.With high temperature antisepsis weekly.See the following pictures of our company's all in one heat pump recent production and shipment.Orders are welcomed !!!