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Meeting all requirements

Medical practices, hospitals or nursing homes for the elderly place special demands on the areas of accessibility, hygiene and energy efficiency. aquatherm develops solutions together with you, which meet all requirements of a safe and efficient pipe performance system. With our aquatherm black system, for example, the energy- and therefore cost-saving heating and cooling of buildings is possible. But also in the field of drinking water or pipe installations for special applications like the use of brine aquatherm has been a strong partner for many years.



A climate to feel good in

Hospital AZ Delta
Surface cooling


aquatherm black system


Roeselare, Belgium



To ensure that patients, visitors and staff feel comfortable in the new hospital building, an energy-saving, easy-to-install and sustainable form of air conditioning was sought.


aquatherm black system met all requirements and was used on more than 24,000 square meters in a metal cassette ceiling.


  • easy and clean installation, especially compared to copper or aluminium tubes
  • flexible recesses in the piping system – for example for ceiling lamps – can be individually considered
  • very good cold distribution due to connection with a metal cassette ceiling

At the AZ Delta Hospital, Rumbeke Campus, the focus should be on the individual. The new building, which was constructed in Roeselare-Rumbeke, Belgium, some 100 kilometres from Brussels, has been designed with this premise in mind in all areas. This starts with the orientation of the patient rooms, which allow a view of the unspoilt nature of West Flanders, and ends with the division of the hospital areas into clusters for different clinical pictures. To ensure that patients, visitors and staff feel comfortable, a special air-conditioning system is used in the building.

More than 24,000 square metres and thus three and a half football fields – this is the size of the area covered with aquatherm black system in the new hospital building. The black polypropylene registers provide pleasant cooling in the warm months – and without annoying draughts or dust turbulence. The corrosion-resistant piping system from aquatherm was installed in a metal cassette ceiling in all of the 450 patient rooms; it also provides pleasant cooling in the nurses’ rooms.

“We have been working with the system for many years,” explains Nico Van Opstaele, climate ceiling consultant at Beddeleem. The company specialises in fixed and movable partition walls, suspended ceilings and office building finishing, among other things, and was responsible for the design and installation of -aquatherm black system at the AZ Delta hospital.


Nico Van Opstaele: “Especially the easy and clean installation, especially compared to copper or aluminium pipes, inspires us again and again.” In order to ensure a quick installation and thus the adherence to schedules on site, the corrosion-resistant aquatherm black system registers were already produced object-specifically in the main factory of the aquatherm group of companies in Attendorn, so that they only had to be inserted into the metal cassette ceilings in the object.

“For the installation, the flexibility of aquatherm black system is another advantage,” says Nico Van Opstaele. “Recesses in the piping system – for example of ceiling lamps – can be individually taken into account and implemented without any problems. In addition, the ecological aspect convinces us.” The material polypropylene is not only characterized by a long service life, but also by an inherently very good environmental compatibility and recyclability.


In the hospital AZ Delta six chillers with 1000 KW capacity each are used and in combination with heat exchangers ensure that the water runs at a temperature of 15 degrees Celsius through the aquatherm black system registers and cools the patients’ and nurses’ rooms effectively. A ventilation system regulates the humidity. The relatively high temperature compared to other cooling systems enables a particularly energy-saving operation. In combination with a metal cassette ceiling, the registers ensure very good cold distribution.

Thus aquatherm black system fits exactly into the sustainability concept of the new hospital, which is designed to make all activities as energy efficient as possible. Among other things, the hospital’s green roofs serve as thermal insulation in winter and heat shields in summer, a rainwater recovery system conserves the valuable resource of water, and LEDs provide energy-saving lighting. Two combined heat and power plants generate not only energy but also heat for heating and hot water, thus reducing energy consumption and carbon dioxide emissions.

Especially the easy and clean installation, especially compared to copper or aluminium pipes, always inspires us.”

– N
ico Van Opstaele, climate ceiling consultant at Beddeleem

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