Convince yourself of our first-class service

Learn more about what makes our decentralised allrounder special.

Discover the upgrade for decentralised ventilation with KWL EC 70.

At the top: Our roof fans

An icon among ventilation units with heat recovery: KWL 170 W

Compact ventilation units at a great price

A matter of honor

European Ventilation Industry Association

Fachverband Gebäude-Klima e.V

Verband Deutscher Maschinen- und Anlagenbau (German Engineering Association)

Forschungsvereinigung für Luft- und Trocknungstechnik e.V.

Komfortlüftungssysteme Austria

Certified according to ISO 9001/2015

Certified according to ISO 14001/2015