Innovative extraction solutions for clean air in industry

Smoke inside the production plant? Dusty, oily machines? The situation need not remain that way. Manufacturers who operate extraction systems from Keller Lufttechnik benefit from clean air inside the workplace. They invest in the occupational health of their employees, the longevity of their buildings and plants, as well as in the quality of their products. This investment proves worthwhile.

We develop individual extraction solutions for each process. We combine the optimum collection of air pollutants with the most suitable separation and filtration technology. The end results are conclusive.

As a prominent manufacturer, Keller Lufttechnik sets the standard for clean air worldwide.


History and tradition: From building plumbing contractor to a global leader in air filtration technolgy

The company was founded by Albert Keller in Stuttgart-Uhlbach in 1903. Following the complete destruction of the factory in World War II, his son Otto Keller opened a factory for air pollution control and thermal process technology in Kirchheim unter Teck, in the foothills of the Swabian Jura.

In 1952 - then in its third generation - Heinz-Dieter Keller assumed the reins of the company and established Keller Lufttechnik's current range of poducts. In 1992, the next generation took over. The tradition of the family-owned company is now carried on by Horst and Frank Keller.

Today, Keller Lufttechnik is a global filtration technology company specializing in the capture and separation of a variety of air pollutants, as well as in the reduction of emissions in industrial applications.

Facts and figures: Keller Lufttechnik at a glance

Divisions plant engineering machine construction
Managing Directors Horst Keller, Frank Keller
Turnover approx. 65,5 million Euros (worldwide approx. 72 million Euros) in 2018
Number of employees in Germany 360 (as of 2023)
Subsidiaries United States of America, China, Switzerland
Representative offices worldwide in 17 countries
Trade register Keller Lufttechnik GmbH + Co. KG
excerpt 230710, local court of Stuttgart
Industry number: 29230
VAT identification number: DE 145 913 063
D-U-N-S number: 31-614-5945
Quallity certificates ISO 9001:2015, approved welders in accordance with DIN EN ISO 9606-1
Environmental certificates ISO 14001:2015 and ISO 50001:2011
Further Cartifications Approved welder according to DVS directive 1171
Certified welding specialist operating with seal of approval (GSI SLV) in accordance with DIN EN 1090-2, EXC2
Specialised company according to § 19 I WHG
Association membership VDI, VDMA, bdguss, Südwestmetall, LVI, IHK, BDS, BME, DIN, DVS. GARP, GTS, Hochschulbund Nürtingen, IND EX, KKE-BW, UKOM-BW
Founding year 1903 by Albert Keller in Stuttgart-Uhlbach