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Rudolf-EttlFor every application!

A damp basement, new airtight windows, musty rooms...a solar ventilation system brings fresh air and warmth automatically indoors.

And above all: a solar ventilation is not expensive! You can order our TWINSOLAR compact already for 1.350 € including accessories and everything what you need for an installation.


Lina Öner
International Sales

German Quality...subsidised by the state

Our SolarAir collectors are being developt already for 30 years in our own factory in Amberg under the highest demands on quality. They are very robust and can be used during decades.


SolarAir collectors by Grammer Solar are subsidised in Germany.


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