Your partner for innovative ventilation and air conditioning systems

VENTAFLEX® has been specialising in the development and production of complete ventilation and air-conditioning systems for industrial complexes and large buildings for 30 years. 

The VENTAFLEX® product range offers you an unbeatably broad palette of possible combinations, meaning that you are completely flexible in planning. 

We are happy to support you in this

  • With consultancy and service
  • Support during planning
  • Support in the field of complex construction site logistics
  • Manufacture of individual products for your special requirements
  • Own development department
  • Own tool making
  • Own internal certified measurement and test bed
  • Low-noise and energy-saving, precisely tailored to your applications Leading-edge air flow solutions

Systems, in which heating and cooling are distributed as required in an economical and environmentally friendly manner, are manufactured in this way on a tailored basis for operations right across Europe.  


We have moved! Since April 7th you will find us at our new location in Siemensstraße 46 in 48341 Altenberge. New shores, new areas of operations – exciting times!

... read more

Allow yourself to be inspired: We regularly present to you practical reports from completed construction projects. And because every construction project encompasses new challenges, no two are the same. An ideal premise under which to clearly present to you the diversity and application spectrum of our system.

... read more

A look behind the scenes at VENTAFLEX. The focus is on quality, leading-edge technology and processes, as well as motivation, principles and objectives. Feel free to take a look.

... read more

With VENTAFLEX offers architects and planners an optimum and timely service. The generation of tenders and performance specifications can take place here quickly and with ease. All conventional file types (GAEB, DATANORM, ÖNORM, HTML, TEXT, XML) are available for you to download.

... read more

Wind power plant with heated rotor blades

... read more