Vacuum Tube Solar Water Heating System In Brazil

- Mar 19, 2020-

Vacuum tube solar water heating system, we also called vacuum tube solar collector. It is an innovative system for heating water. It can heat water at temperatures up to more than 90 degrees. The efficiency of the system is 90% of the incident solar energy. In this system, losses are reduced due to the vacuum insulation between the glass tubes.

Vacuum tube solar water heating system

Vacuum tube solar water heating system is the most flexible on the market. One of its greatest advantages is that it can be suitable to meet any capacity of water.


The heat exchange occurs by natural convection inside the glass tubes. Therefore, there are no motors for water circulation, avoiding the consumption of electric energy and expenses with maintenance of the electric motor.


Faster water heating for vacuum tube solar water heating system when compared to the plate system.


The solar radiation absorption rate of vacuum tubes is between 94% and 96%, while traditional systems absorb only about 60%.

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