The solar collector acts as an engine of any solar water heater. A solar vacuum tube is the most efficient solar power production system; but was more costly than flat panel system. With the immense popularity of solar energy and modern manufacturing techniques, the solar vacuum tubes cost less while ensuring the greatest return on the investment.


Working principle of SunRain solar vacuum tube collector


The working principle of solar vacuum tube is simple. It works same like a coffee thermos. A

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