DencoHappel (formerly GEA Air Treatment) is one of the leading technology innovators in the field of air treatment, air conditioning, and filter technology as well as cooling process air. 

With its premium brands CAIRplus®, DENCO®, MultiMAXX®; Multi Flair®, 
DencoHappel COM4®, Flex-Geko®, FireTex®, SepTex® and Sahara® as well as the DELBAG® products, DencoHappel has repeatedly set technological standards through innovation capability for over a century, and can satisfy nearly every conceivable customer wish.

DencoHappel with their headquarters are based in Herne, Germany. Production sites in Germany, Great Britain, Czech Republic, Turkey, China and India as well as own sales organizations and distributors in more than 50 countries guarantee customer proximity, high flexibility and efficiency. 

We are a € 300 million business with over 1,700 employees. Together with its shareholder Triton Partners, the company invests in innovation and growth in all relevant markets and regions.