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Professional and dedicated customer service

For any questions regarding Ventsys air vents or natural ventilation, please contact our customer service department. We will be happy to assist you!

Our Vision

By ensuring controlled, filtered fresh air flow through closed windows, we are able to reduce CO2 levels in living spaces, thus improving human health and well-being

Frische Luft

Mehr frische Luft


Weniger CO2

Freundliches Mikroklima

Gesundes Mikroklima in Wohnräumen


Ventsys Strategic Partners

Why Choose Ventsys?

Ventsys trickle vents fits practically all windows, including those that are already installed. They are equipped with filters, so no dust or other harmful substances get inside your living rooms. There is no milling or drilling involved so your window frames are not damaged.

300 +

Realisierte Projekte

50 K

Zufriedene Kunden