Withing the whole global energy shortage day by day, using solar energy had beed an trendage. It use the super pipe which no water in the pipe, just an cooper bar in it. We have different type pipe can match the collector. Within the copper of the inner tank, it has high pressure and clean water to drink. Using the one, the solar can heat the hot water in short time, and there is no dehisce pipe problem in Winter at any district, easy to install and operate for everyone, you can take a warm and hot water shower at any time. The solar energy is clear, unpollution, high efficiency and save electric energy.