Radiant Ceiling Systems

The radiant cooling and heating ceilings are designed to offer outstanding comfort in the room with tremendous architectural freedom of design at the same time.

Optimal indoor comfort for your premises

Barcol-Air by Swegon is our lates addition to the Swegon family, expanding our offering in Radiant Ceiling.

Modern buildings require indoor climate solutions that are efficient, effective and sustainable. As an experienced partner, we will assist you with your climate ceiling projects by providing support from the conceptual design phase through to commissioning. Our specialists are passionate professionals who designs climate ceiling solutions to meet a vast range of individual requirements. Click on the button below to find out more information or to contact Barcol-Air by Swegon.

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Holistic range of services for commercial buildings

Zent-Frenger GmbH is much more than a supplier of technology for ceiling cooling systems and component activation. Our strength lies in particular in project business for owners of commercial buildings. The Company offers you building-specific, complete energy solutions from a single source - from feasibility studies and selection of the most suitable systems through planning, project management, manufacture and installation, to the commissioning and maintenance of complete heating and cooling systems. Zent-Frenger offers you a complete service that you can rely on.


Since its foundation in 1954, the then Zent-Frenger Gesellschaft für Gebäudetechnik GmbH has been able to to place numerous technological innovations on the market. Especially in the field of chilled ceiling technology, it is considered to be a pioneer. For many years, Zent-Frenger GmbH has also been involved in pioneering technology for the use of near-surface geothermal energy for economic temperature control in commercial buildings.

In-house Planning, Production and Execution

The technical execution planning of customer-specific projects is carried out directly in our branches in Hamburg, Heppenheim and Leonberg. We have been manufacturing our own ceiling cooling series for sheet steel, aluminum and plasterboard ceilings at our headquarters in Heppenheim since 1990.

We offer comprehensive services

We advise our partners in all phases of the construction process - from the initial design to use of the building. In the design phase of your project, we provide you with documentation on sustainable building design, recommendations for low energy systems and cost estimates for the various solutions. When working on your building concept, we support you in defining the indoor climate and comfort criteria that result from user requirements for heating and cooling.

Contact us

Sales Hotline:

+49 (0)7152 93993-0

Head office:

+49 (0)6252 7907-0 

Whilst we have made every effort to ensure information on this website is up to date and accurate, the technical specification and availability of products/services listed on this website may vary market to market and are subject to change without notice. Please contact your regional representative or visit your local website for further details.