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Ventilation systems

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

Ventilation technology from ZIEHL-ABEGG – for intelligent air movement in all areas of life and work

ZIEHL-ABEGG plans, develops and implements ventilation solutions for applications around the world. The demand for high-performance and energy-efficient fan systems continues to grow, as controlled airflow is used in numerous sectors, including heating, refrigeration and air-conditioning technology for residential and commercial buildings, industrial and automated manufacturing processes, food production, processing and storage, as well as the cooling and ventilation of machinery and equipment, for example in power stations, data centres, clean rooms and production facilities.

We have over a century of experience in ventilation technology and offer our customers a comprehensive product portfolio with which we can supply the optimum solution for every application or develop one specifically for individual customers. Even when it comes to very special or highly sensitive applications, we find the best ventilation concept and can supply the right fans, drives and control modules from a single source – perfectly coordinated for maximum efficiency with minimal electricity and operating costs. We traditionally attach great importance to customer orientation and service, and with our worldwide sales network we are not only contactable everywhere and on site quickly, but are also able to reliably support customers all over the world from initial consultation and project planning to installation, conversion and beyond.

Top-class ventilation technology: certified quality made by ZIEHL-ABEGG

All ZIEHL-ABEGG products meet the highest quality standards. Fans, motors and control technology are manufactured in our own production facilities, tested for high quality using state-of-the-art measurement and testing methods, and evaluated and certified by independent testing institutes. This means that our customers know for certain that they will only receive products that have been awarded the “top class” rating. 

Fans and fan motors are the largest source of  energy consumption in ventilation systems due to their continuous movement.

Therefore, the greatest energy and cost savings can be achieved with optimally energy-efficient, intelligent fan systems – either as early as during planning of the (new) ventilation system or subsequently during retrofitting, for example by replacing the old components and/or modernising the ventilation technology by integrating smart control technology.

axial fan with biomimetic blade design

Innovations in ventilation technology benefit the whole of humanity

When developing its biomimetic fan concept, ZIEHL-ABEGG draws on structures and functional principles found in nature. For instance, 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. The biomimetic blade geometries are an integral part of the respective product designs and are tailored to the requirements of the specific application. Information on product-specific properties and performance data is gladly made available upon request. The products are developed taking into account applicable requirements, standards and directives. Information on the regulatory requirements relevant to each product can be found in the corresponding product documentation.

ZIEHL-ABEGG fans – top-class ventilation technology at a glance

The axial and centrifugal fans from ZIEHL-ABEGG are available in various sizes and designs. The product portfolio includes solutions for diverse areas of application, installation situations and requirements—such as corrosion protection, chemical resistance, insulation, housing designs or explosion-protected models. For selected product lines, various material options are available, including stainless steel as well as ZAmid, the high-performance composite material developed by ZIEHL-ABEGG. The appropriate material is selected in accordance with the specific requirements of the respective application.

With our virtual FANselect fan selection program, you can view the entire ZIEHL-ABEGG fan range in detail and display suitable fans, drives and control modules for your application. You can conveniently select suitable components on the screen, put together your desired system and see how the outstanding quality of our ventilation technology is expressed in hard numbers.

Here are some of our best in classic applications, starting with the axial fans:

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

These biomimetic axial fans are modelled on the wings of a barn owl, work particularly efficiently, are maintenance-free and score points with excellent acoustic values. FE2owlet and FE3owlet are very versatile and are used in data centres, chillers and cooling towers, among other locations. Its low-noise fan blades can be 100% speed-controlled for demand-based volume flow at any time.

In the FE3owlet, the biomimetically optimised blade is equipped with an additional wavy blade leading edge, so that the blade angle can be variably adjusted. This series can also be used very flexibly in energy and environmental technology, building air conditioning, vehicle, machine and system technology.

With the FE2owlet, we have a particularly quiet small axial fan in our range. Optimized for vehicle, machinery and plant engineering, the small economical EC motor can be used in numerous end devices and impresses with its high efficiency and almost noiseless operation.

The FFowlet is optimised for agriculture. It is perfectly designed for applications with low pressure loss, such as ventilation and air conditioning of stables, greenhouses, silos and storage rooms. It meets protection class IP55 and is particularly resistant to chemical stress.


The MAXventowlet is a modular medium pressure axial fan with adjustable blades that can be flexibly adapted to a variety of requirements. The fans are available with short or long housing 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 vane wheel, motor support and short diffuser. The system enables 100% speed-controllable airflow and supports high efficiency and energy-efficient operation. It is also suitable for applications with higher pressure requirements and low noise emissions. The axial fans used can be operated with either AC or EC technology (ECblue).

Centrifugal fans from ZIEHL-ABEGG are ideal for long airways and branched systems

Our biomimetic high-performance centrifugal fans ZAbluefin, Cpro, ZAvblue and ZApilot are ideal for HVAC systems as well as central AHUs and air conditioning systems because they provide the required pressures and air volumes everywhere, even in large, complex systems. The impellers can be made of steel or ZAmid. Controllable ECblue drives or controllable AC motors with frequency inverters ensure maximum energy efficiency.

The ZAvblue is a real all-rounder because its compact dimensions means that it fits anywhere with the same or better performance and therefore enables retrofitting without complex conversion measures. This means that there are hardly any air, deflection and performance losses, which leads to significant energy cost savings. ZAvblue and ZApilot are also ideally suited for data centres as well as rack and in-row cooling.

With our innovative ZAcube fan system, individual fan formations can be set up in just a few simple steps – up to five levels in height and width. Everything necessary for this is supplied – it is also an ideal solution for retrofitting or for energy-efficient renovations.