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Ventilation systems

Wherever air needs to be moved, diverse ventilation solutions are used. Through the continuous development of technologies, materials, and design concepts—including biomimetic approaches—ZIEHL-ABEGG develops fans for a wide range of application areas.
As an internationally operating fan manufacturer, ZIEHL-ABEGG offers axial and centrifugal fans in various frame sizes and configurations. Combined with drive and control technology, components can be selected according to specific application requirements and integrated into different system concepts.

Ventilation technology from ZIEHL-ABEGG – for demand-based air movement

ZIEHL-ABEGG plans, develops, and implements ventilation system solutions for applications worldwide. The demand for high-performance and energy-efficient fan systems is steadily increasing, as controlled air movement is essential across numerous sectors: in heating, refrigeration, and air conditioning technology for residential and commercial buildings, in industrial and automated manufacturing processes, during the production, processing, and storage of food, as well as for cooling and ventilating machinery and installations, such as in power plants, data centres, cleanrooms, and production facilities.

With more than a century of experience in ventilation systems, we provide ZIEHL-ABEGG customers with a comprehensive product portfolio, enabling us to deliver tailored solutions for numerous use cases or develop customer-specific designs. Even for highly specialised or sensitive applications, we develop application-oriented ventilation system concepts and supply perfectly matched fans, motors, and control modules from a single source—ensuring high efficiency levels and reliable operation. Customer focus and service excellence are central to our approach. Backed by a global sales network across numerous countries, we support customers worldwide from initial consulting and project planning to installation, retrofitting, and beyond.

Quality Made by ZIEHL-ABEGG

All products from ZIEHL-ABEGG meet exacting quality standards. Fans, motors, and control technology are manufactured in the company's own production facilities, tested using advanced measurement and testing methods in accordance with defined quality criteria, and certified by independent testing institutes. This ensures that customers receive thoroughly tested and certified products.

In ventilation systems, fans and fan motors are among the primary energy consumers due to their continuous operation.

Energy and cost savings can therefore frequently be achieved with energy-efficient fan systems—either during the planning stage of a (new) ventilation system or retrospectively through retrofitting, such as by replacing older components and/or modernising the ventilation systems through the integration of smart control technology.

axial fan with biomimetic blade design

Innovations in ventilation technology

In developing its biomimetic fan concept, ZIEHL-ABEGG draws on structures and functional principles found in nature. For example, owl wings served as a source of inspiration for the development of the FE2owlet, FE3owlet, FFowlet, and MAXventowlet product ranges. Further biomimetic design approaches can be found in products such as ZAbluefin. These biomimetic blade geometries are an integral part of the respective product designs and are tailored to the specific requirements of each application. Products are developed in accordance with applicable requirements, standards, and directives. Information regarding the regulatory requirements relevant to each product can be found in the corresponding product documentation.

ZIEHL-ABEGG fans – high-quality ventilation technology

Axial and centrifugal fans from ZIEHL-ABEGG are available in various frame sizes and configurations. The product portfolio includes solutions for diverse application areas, installation configurations, and requirements—such as corrosion protection, chemical resistance, insulation, housing design, or explosion-proof configurations. Various material options are available for selected product ranges, including stainless steel and the ZAmid composite material developed by ZIEHL-ABEGG. The appropriate material is selected based on the specific application requirements.

With the FANselect fan selection program, you can view the complete ZIEHL-ABEGG fan portfolio in detail and determine the appropriate fans, drives, and control modules for your application. You can conveniently select suitable components on screen and configure your required system.

Axial fans and centrifugal fans from ZIEHL-ABEGG

The "small owls" from ZIEHL-ABEGG: FE2owlet, FE3owlet, FFowlet, MAXventowlet

These biomimetic axial fans are modelled on the wings of the barn owl, operate efficiently with low maintenance requirements, and achieve excellent acoustic performance. FE2owlet and FE3owlet are versatile and are used in applications such as data centres, chillers, and cooling towers. Their low-noise fan blades are 100% speed-controllable, providing demand-based airflow at all times.

In the FE3owlet, the biomimetically optimised blade features an additional serrated leading edge, enabling variable adjustment of the blade pitch angle. Consequently, this model series can be flexibly deployed in energy and environmental technology, building air conditioning, vehicle engineering, as well as mechanical and plant engineering.

With the FE2owlet, a low-noise, compact axial fan is available in the product range. Optimised for vehicle, mechanical, and plant engineering, this fan with EC motor can be used in numerous terminal devices and is engineered for high efficiency during low-noise operation.

The FFowlet is optimised for agricultural applications. It is designed for low-pressure-loss applications, such as ventilation and climate control in barns, greenhouses, silos, and storage facilities. It complies with protection class IP55 and provides resistance against chemical exposure.

The MAXventowlet is a modular medium-pressure axial fan with adjustable blades that can be flexibly adapted to diverse requirements. The fans are available with short or long casings in accordance with Eurovent and comply with ATEX Categories 2 and 3.

ZAplus – the fan system for FE2owlet and FE3owlet

ZAplus is a versatile fan system consisting of a biomimetic fan, an optimised full nozzle with guide vanes, motor suspension, and a short diffuser. As a system providing 100% speed-controllable airflow, ZAplus can improve efficiency, reduce energy consumption, and deliver high static pressure levels during low-noise operation. The axial fans used can be operated with either AC or EC technology (ECblue).

Centrifugal fans from ZIEHL-ABEGG: For long airways and branched systems

The biomimetic centrifugal fans ZAbluefin, Cpro, ZAvblue, and ZApilot are suitable for HVAC systems as well as central air handling units (AHUs) and air conditioning systems. They deliver the required pressure and airflow even in extensive, complex installations. The impellers can be manufactured from steel or ZAmid. To achieve high energy efficiency, controllable ECblue drives or adjustable AC motors combined with frequency converters can be used.

Due to its compact dimensions, ZAvblue enables installation in numerous configurations, supporting retrofit projects with reduced modification requirements. The structural design of the fan can reduce aerodynamic losses, redirection losses, and power dissipation, contributing to energy-efficient operation. ZAvblue and ZApilot are also suitable for data centres as well as Rack and InRow cooling architectures.

With the ZAcube fan system, custom fan arrays can be assembled in just a few steps—up to five levels in height and width. All necessary components are supplied, providing an optimal solution for retrofits and energetic refurbishment projects.