Solar Water Heater Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. By installing a Solar water heating system, a typical household can meet 50 to 80 percent of their hot water needs. In southern climates, a SWH unit can meet nearly 100 percent of a household's hot water needs. The solar water heater described here is based on a design developed some years ago in China. Since then, it has been built and used in many countries. It can heat water to eighty degrees Celsius in the summer and fifty degrees Celsius in the winter on a clear day.Today's Solar hot water technologies can be operated efficiently and affordably in any climate. Systems are specifically designed for various climatic and geographical areas of the country. There are four parts to the common solar water heater. solar water tank,evacuated vacuum tube or solar collectors, bracket and Accessories(Solar Controller,work station etc.). About Us Changzhou Kleber New Energy Technology Co., Ltd. is a high-tech company in the solar field. Employing professional staff who are experienced in the design, manufacture, installation, debugging and maintenance of solar projects, these personnel excel at helping clients save money. Supplying quality products with world leading technology, we now have several sales branches in China. Moreover, our products are also exported to many countries, such as America, Mexico, Spain, Chile, South Africa, Romania and Bulgaria.