1923
We'll never run out of air
We are strong, solid and we have been in business for more than 100 years. Trust in our expertise!
98%
You can count on it
Our efficient logistics service delivers 98 % of all series products from stock.
1
Premium quality from the Black Forest
We produce ventilation systems which are unique on the market at our head office in Villingen-Schwenningen.
100%
We are 100% committed to sustainable, future-proof ventilation technology
For example, through the use of energy-saving EC technology and highly efficient heat exchangers for cost-effective, energy-efficient ventilation with heat recovery.
100%
We are 100% committed to sustainable, future-proof ventilation technology
For example, through the use of energy-saving EC technology and highly efficient heat exchangers for cost-effective, energy-efficient ventilation with heat recovery.
100000
Those who produce need space
Our premises cover over 100,000 m2 – with 50,000 m2 of pure production space.
25
We have won numerous awards
We have received more than 25 prestigious awards for our system technology and design in the last 10 years alone.
60
Fresh air for more than 60 countries worldwide
In recent years, we have developed further markets and we now export to more than 60 countries – and more are added every year.
3
We are family!
We are a traditional company, run by the fourth generation of owners. Shown here: managing owners Jürgen and Gunther Müller with managing director Axel Diepolder (from right).
3
We are family!
We are a traditional company, run by the fourth generation of owners. Shown here: managing owners Jürgen and Gunther Müller with managing director Axel Diepolder (from right).