Product List

Since 1981 we have been developing and producing adjustable external rotor motors, fans and air handling units. Our headquarters in Künzelsau is in the centre of the Heilbronn-Franken innovation area. German Engineering skill is the basis of our development work and drives our innovation. As a worldwide company we are represented where our customers need us. With production sites and sales offices in more than 45 countries we are present worldwide – a strong and reliable partner always within reach of our customers. The continuous exchange of information between customers and employees comes first with us. Consequently, we can permanently optimise products and quality to respond flexibly to all of our customers’ needs.

Established 1981 Employees 350 in Germany approx. 1,400 worldwide

Production sites :  Künzelsau (GER), Glaubitz (GER), Waldmünchen (GER), Hungary, Czech Republic, Italy, France, Slovakia, China

Development centres : Germany, France, (certified laboratory) Hungary and China

Additional members of the Rosenberg Group

ROX Klimatechnik GmbH, ECOFIT, ETRI, Airtècnics