Active solar water heater with 1.5mm galvanized steel frame and non-pressurized water tank

System has excellent high absorption properties and low emittance rate. Output of a solar water heater will depend on the amount of solar energy that is available. On a good sunny day with 6 to 7 hours of sunlight, the solar vacuum tubes will collect enough solar energy to heat water up to *5°C/**9°F. The highest temperature of water can reach up to *5°C/**3°F.  In such a way that you can see steam coming from the vent.

Solar water heaters perform very well during rainy days and overcast conditions with low temperature. With the solar vacuum tube technology, reliability of the system increases, since the temperature inside the vacuum tubes is independent of the surround