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Vacuum tubes consist of two glass tubes that are nested and vacuumed in between.
The outer tube is resistant to all weather conditions.
The inner tube is made of a transparent and durable glass with a special composition and is coated with a black selective surface
Thanks to this surface, 93% of the sun’s rays are absorbed and converted into thermal energy.
Due to the vacuum, heat losses in the tubes due to conduction and convection are at a minimum level.
Vacuum tube solar energy systems can produce hot water even at -40ºC temperatures without the need for antifreeze under suitable conditions.
There is no need for an additional power source for the operation of the systems.
The water, which is heated and has a lower density in the vacuum glass tube, moves upwards in the tube towards the hot water tank.

Due to its design that does not require an expansion tank, there is no solar fluid loss.
There is no risk of freezing.
It can be used for a very long time without requiring maintenance.
It has a long life even in water with high hardness levels, thanks to cathodic protection produced in accordance with European quality standards.
Thanks to the 60 mm thick polyurethane insulation, the temperature of the domestic water is maintained for a long time.
It is insulated with environmentally friendly insulation material that does not harm the ozone layer.
All internal surfaces that come into contact with the tap water are covered with Titanium enamel. In this way, tap water is healthy and hygienic.
The water on the titanium enamel coated inner surface is drinkable.

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