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Revolutions

January 16, 2026



Wind Revolutions

ZF Wind Power and Sirris Launch Mobile Climate Chamber

Innovation allows testing of difficult-to-move machinery in the most extreme conditions

ZF Wind Power is using a new mobile climate chamber developed in Belgium. This innovation, created by Sirris — the Belgian innovation center for the technological industry — together with the Belgian government (FPS Economy) and local industry partners, represents a world first. The consortium invested €1.5 million in the construction of the mobile chamber, which allows manufacturers to test large, heavy, or confidential machines and products at extreme temperatures ranging from -40°C to +60°C without transporting them. Measuring 20 meters long, 9 meters high, and 7 meters wide, the chamber can be shipped as a kit and assembled wherever the manufacturer requires it.

"With this mobile climate chamber, Belgium confirms its role as a frontrunner in the energy transition. Thanks to the support of the federal Energy Transition Fund (ETF), we are strengthening Belgium’s testing and innovation capacity and providing companies with the possibilities to validate their technologies under the most extreme conditions. This is crucial to increasing the reliability of wind energy, anchoring industrial innovation at home, and keeping our companies competitive at international level,” explains Mathieu Bihet, Belgian Federal Minister for Energy.

Construction kit in five shipping containers

In a climate chamber, manufacturers can subject their products and systems to extreme weather conditions similar to those their products will experience anywhere in the world. This allows them to test prototypes under the most extreme climatic conditions in a controlled environment. This in turn enables companies to build sustainable products and installations that meet the most extreme specifications of their customers. This is easy for small products, but when it comes to energy transition, we are talking about very large machines, such as wind turbine drivetrains, which are challenging to move from the production site to a test environment. Sirris, together with engineers from ZF Wind Power and the help of Limburg-based Vos Technics, which specializes in industrial cooling techniques, spent a year and a half developing a mobile climate chamber.

“Until now, companies had to transport their products or equipment to our climate chamber in Antwerp to test them under extreme conditions. In certain cases – particularly for components weighing over 150 tons – this was an expensive operation and sometimes even impossible due to their size and weight. From now on, we can bring the climate chamber to these manufacturers. It fits into a large construction kit consisting of five shipping containers and can be assembled within a week. That’s ideal for testing large infrastructures for five to six weeks or longer. It allows manufacturers such as ZF Wind Power to test not only certain components, but also the entire drivetrain. And there is demand. Not only in Belgium, but also internationally, and for various sectors. Think of the robotics sector, for example,” says Pieter Jan Jordaens, energy transition specialist at Sirris.

Validation as the foundation for innovation

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Sirris developed the climate chamber in collaboration with ZF Wind Power. The company, which manufactures drive systems for wind turbines, is the first to use the mobile chamber. A new product prototype is already being tested under extreme conditions at the ZF Wind Power site in Lommel. Validation is crucial in the wind industry. Extensive testing enables ZF Wind Power to manage the risks inherent in the industry. It is essential to obtain approval from customers, insurers and certification bodies in order to launch new designs. Every component must be reliable to keep turbines running continuously worldwide. Thanks to this innovative Belgian climate chamber, which can test at temperatures as low as -40°C, ZF Wind Power is consolidating its position as market leader in the wind industry.

“As a ‘Factory of the Future’ and a pioneer in onshore and offshore wind energy, we have a vested interest in continuously strengthening our position, as well as the confidence of our customers worldwide. In our own Test and Prototype Center we simulate real-life conditions, including functional load and robustness tests. This allows us to evaluate the dynamic behavior of the gearbox, similar to the situation at the top of the turbine. With a cold chamber, we test the behavior of the components under extreme temperatures. Thanks to this new mobile climate chamber, we can now also test our largest products in a safe, efficient and high-quality manner at our own location. In this way, we guarantee that our products perform at their best not only today, but also in the long term and in all conditions, so that turbines continue to run and the energy transition is assured," explains Bert Verdyck, CTO ZF Wind Power.

zfwindpower.com