Ziehl-Abegg

Ziehl-Abegg is a German industrial technology manufacturer headquartered in Künzelsau, in the Hohenlohe district of Baden-Württemberg. Its principal businesses are ventilation technology, electric motors, fan systems, drive technology, and control systems. The company supplies equipment for applications including heating, ventilation and air conditioning, refrigeration, cleanrooms, agriculture, elevators, medical equipment, and commercial vehicles. Its product portfolio combines motors with axial or radial fans, electronic controls, and complete fan systems designed for efficient and comparatively quiet operation. The company traces its technical origins to Emil Ziehl, who developed an external-rotor motor in 1897. Ziehl and Swiss engineer Eduard Abegg founded the Ziehl-Abegg Electricity Company in Berlin in early 1910. The partnership did not develop as originally intended: Abegg failed to provide the anticipated financing, and a patent connected with wind motors proved unsuitable. Abegg left the enterprise in the same year, although his name remained part of the company identity and its early logo. The Berlin works were dismantled and transferred to the Soviet Union after the end of the Second World War. In 1947, Günther and Heinz Ziehl re-established the business in West Germany at the castle mill in Künzelsau. A significant product turning point came in 1960, when Ziehl-Abegg began producing external-rotor motors for fan applications. The company subsequently expanded internationally, establishing subsidiaries and sales operations across Europe, Asia, North America, South America, Africa, and Australia. In 2001 it became a family-owned joint-stock company. The legal name was changed from Ziehl-Abegg AG to Ziehl-Abegg SE in 2013. Ventilation is the group's largest division. It produces axial and radial fans, with products historically covering diameters from approximately 190 millimetres to 1,400 millimetres. The company also develops motors and control technology for elevators, medical equipment such as computer tomography systems, and buses. Its engineering emphasis includes energy efficiency, airflow performance, acoustic reduction, electronic commutation, and integration of motor, fan, and control components. Ziehl-Abegg has claimed an early role in the commercial use of electronically commutated motors in ventilation technology, introducing EC motor technology for that field in the late 1980s. During the 1990s, the company introduced sickle-shaped rotor blades, and in 2006 it applied a bionic blade profile intended to reduce noise emissions. In 2013 it developed a Bio-Fan using a biopolymer based on castor oil. These developments illustrate the brand's positioning around technically sophisticated, energy-conscious, and application-specific industrial products. The group operates through Ziehl-Abegg SE, its automotive subsidiary, and international subsidiaries. Its principal German facilities include the headquarters in Künzelsau, a nearby plant, and additional production locations in Schöntal-Bieringen and Kupferzell. Its international manufacturing and operating footprint has included France, Hungary, and the United States. A large airflow and acoustic testing facility was built at the Künzelsau production site in 2008. The company also places emphasis on vocational education and dual training; apprentices and trainees represent a substantial share of its workforce, and its training programs have received German and regional recognition.

Ziehl-Abegg's history combines an early Berlin electrical engineering enterprise with the later development of a family-owned industrial manufacturer in southern Germany. The technical foundation dates to 1897, when Emil Ziehl developed an external-rotor motor. This motor architecture later became important to the company's fan technology, because placing the rotor around the stator can support compact motor-and-fan constructions suitable for ventilation equipment. In early 1910, Emil Ziehl and Swiss engineer Eduard Abegg established the Ziehl-Abegg Electricity Company in Berlin-Weißensee, an area now within Berlin's Pankow district. The company was initially associated with ambitions in wind-motor and wind-turbine development. Abegg, whose name had already been incorporated into the company's public identity and logo, was expected to provide financing and technical contributions. The anticipated funding did not materialize, and a patent introduced for wind motors was found to be unsuitable. Abegg departed during the same year, but the Ziehl-Abegg name survived. The original Berlin plant was dismantled after Germany's surrender in 1945 and transferred to the Soviet Union under the Soviet Military Administration in Germany. In 1947, brothers Günther and Heinz Ziehl rebuilt the company in West Germany. They established the business at the castle mill in Künzelsau, creating the foundation for the company's later headquarters and its long-term association with the Hohenlohe region. A major industrial transition occurred in 1960, when Ziehl-Abegg began manufacturing external-rotor motors as drives for fans. This linked the company's historic motor expertise to the growing requirements of ventilation and air-conditioning equipment. Over subsequent decades, the company expanded from motors into complete ventilation systems, including axial fans, radial fans, electronic controls, and application-specific assemblies. Its customer applications came to include heating and cooling systems, refrigeration, cleanrooms, agriculture, and industrial air movement. Internationalization began in 1973. Ziehl-Abegg subsequently developed subsidiaries, sales organizations, and production operations in numerous countries, including Poland, China, Russia, the United States, the Czech Republic, Sweden, the United Kingdom, Denmark, Finland, France, Italy, Australia, Singapore, Switzerland, Austria, Ukraine, Spain, the Benelux region, South Africa, Japan, Turkey, India, and Brazil. The company also developed manufacturing sites in France and Hungary, while its North American operations expanded from distribution and fulfillment into local production. Technology development has remained central to the company's identity. In the late 1980s, Ziehl-Abegg became an early commercial adopter of electronically commutated motors for ventilation. In the 1990s it introduced sickle-shaped rotor blades, and in 2006 it applied a bionic blade profile intended to reduce acoustic emissions. In 2013 the company developed a Bio-Fan using a castor-oil-based biopolymer, presenting an alternative materials approach for fan construction. The business became a family-owned joint-stock company in 2001 and changed its legal designation from Ziehl-Abegg AG to Ziehl-Abegg SE in 2013. The group includes Ziehl-Abegg SE in Künzelsau, Ziehl-Abegg Automotive GmbH & Co. KG, and international subsidiaries. Its German facilities include the Künzelsau headquarters, a nearby Würzburger Straße plant, a site in Schöntal-Bieringen, and a facility in Kupferzell's Hohenlohe industrial area. In 2008, the Künzelsau production site added a large airflow and acoustic testing complex for fan development. The company has also maintained a strong vocational-training orientation. Apprentices and trainees account for a notable proportion of its workforce. Its training and international employee programs have received recognition in Germany, and the Hungarian operation has supported cooperative study and dual-training models. In the United States, the company has used an apprenticeship program associated with Guilford Apprentice Partners. The 2024 opening of a new Winston-Salem facility marked a further expansion of the group's manufacturing presence in North America.

1. 2024North American manufacturing expansion

   Ziehl-Abegg USA inaugurated a new production facility in Winston-Salem, North Carolina.

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2. 2013Legal name changed to Ziehl-Abegg SE

   The company changed its legal designation from Ziehl-Abegg AG to Ziehl-Abegg SE and developed a Bio-Fan using a castor-oil-based biopolymer.

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3. 2008Large airflow and acoustic testing facility built

   A major airflow and noise-testing complex was built at the main Künzelsau production site.

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4. 2001Conversion to a family-owned joint-stock company

   Ziehl-Abegg became a family-owned joint-stock company.

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5. 1973Internationalization begins

   The company began a sustained international expansion of its subsidiaries and sales operations.

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6. 1960External-rotor motors adopted for fan drives

   Ziehl-Abegg began producing external-rotor motors as drives for fans, strengthening its focus on ventilation technology.

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7. 1947Company re-established in Künzelsau

   Günther and Heinz Ziehl re-established the company in West Germany at the castle mill in Künzelsau after the dismantling of the Berlin plant.

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8. 1910Ziehl-Abegg Electricity Company founded in Berlin

   Emil Ziehl and Eduard Abegg founded the Ziehl-Abegg Electricity Company in Berlin-Weißensee.

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9. 1897Development of an external-rotor motor

   Emil Ziehl developed an external-rotor motor, establishing an early technical foundation for the company's later fan-drive products.

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Ziehl-Abegg positions itself as a high-technology industrial supplier focused on efficient ventilation, motor, fan, drive, and control solutions. Its differentiation is associated with vertical integration, application engineering, electronic motor technology, airflow performance, and noise reduction rather than consumer-facing brand visibility.

• Axial fansVentilation technology

  Ziehl-Abegg's axial fans are designed for moving large volumes of air in ventilation, air-conditioning, refrigeration, agricultural, and industrial applications. The range has historically included fan diameters from about 190 millimetres to 1,400 millimetres. Designs incorporate the company's motor, blade, airflow, and acoustic engineering, with electronically commutated variants available for energy-conscious installations.

• Radial fansVentilation technology

  Radial fans are used where air must be moved against higher system resistance or redirected through ducting and equipment. Ziehl-Abegg supplies radial fan systems for heating, ventilation, air-conditioning, refrigeration, cleanroom, and industrial applications, with product configurations combining impellers, motors, housings, and electronic controls.

• ECblueElectronically commutated motor and fan technology

  ECblue refers to Ziehl-Abegg's electronically commutated motor and fan platform. EC motor technology is intended to provide efficient, controllable operation in ventilation and air-moving equipment. The platform is associated with integrated electronics, variable-speed control, and fan assemblies for applications such as HVAC, refrigeration, cleanrooms, and agricultural buildings.

• ZAplusComplete fan systems

  ZAplus is a complete fan-system offering that integrates the fan, motor, and surrounding aerodynamic components. It is intended to simplify installation and improve system efficiency and acoustic performance in air-handling and refrigeration applications. The product family reflects Ziehl-Abegg's approach of delivering engineered fan assemblies rather than only standalone motors or impellers.

• Elevator drivesDrive technology

  Ziehl-Abegg develops electric motors and drive technology for elevators. These systems form part of the company's broader drive division and are designed for integration with associated control technology. The business serves lift-equipment manufacturers and system integrators rather than selling primarily through a consumer retail channel.

• Motors for medical equipment and busesSpecial-purpose motors

  The drives division also develops electric motors for specialized applications, including medical equipment such as computer tomography systems and commercial vehicles such as buses. These products extend the company's motor engineering beyond ventilation and emphasize application-specific performance, integration, and control requirements.

• Bio-FanSustainable ventilation technology2013

  Introduced in 2013, the Bio-Fan was developed using a biopolymer based on castor oil. It represented Ziehl-Abegg's effort to apply renewable or bio-based materials to fan construction while retaining the functional requirements of ventilation equipment.

• 2024Expand North American production capacityStrategy

  Ziehl-Abegg sought to strengthen its North American manufacturing and fulfillment capabilities for ventilation and related technologies.

  What changed. Ziehl-Abegg USA inaugurated a new production facility in Winston-Salem, North Carolina.

  Aftermath. The facility increased the group's local manufacturing presence and supported its long-term expansion in the United States and Mexico.

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• 2013Launch of the Bio-FanProduct launch

  The company was exploring ways to reduce the environmental impact of fan materials while maintaining technical performance.

  What changed. Ziehl-Abegg developed a Bio-Fan made from a biopolymer based on castor oil.

  Aftermath. The product became an example of the company's work on bio-based materials and sustainability-oriented ventilation engineering.

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• 1973Begin international expansionStrategy

  Demand for ventilation, motor, and drive technologies extended beyond the German market.

  What changed. Ziehl-Abegg began internationalizing its business through subsidiaries and sales operations.

  Aftermath. The group developed an international network spanning Europe, Asia, North America, South America, Africa, and Australia.

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• 1960Move into fan-drive productionStrategy

  The company had an established connection to motor engineering and identified ventilation as an important application for external-rotor motors.

  What changed. Ziehl-Abegg began producing external-rotor motors specifically as fan drives, helping establish ventilation as its largest business division.

  Aftermath. The decision laid the foundation for the later development of complete axial and radial fan systems and associated controls.

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• 2024Ziehl-Abegg inaugurated a new production facility in Winston-Salem

  Ziehl-Abegg USA inaugurated a new manufacturing facility in Winston-Salem, North Carolina, to expand its North American production and fulfillment capabilities for ventilation products and related technologies.

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• 2024Ziehl-Abegg inaugurates new production facility in Winston-Salem, North Carolina

  The company's U.S. organization opened a new manufacturing site in Winston-Salem to expand production and customer fulfillment for the North American market, including fan and motor technologies.

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