The Callens Group was founded by Willy Callens in 1966. The group develops heating and ventilation systems for industry and provides its customers with the total package: from engineering and installation to a flawless after-sales service. The Callens Group is market leader in the sector.
The group consists of four businesses spread across: Belgium, the Netherlands and France. With 13 branches, we are very much locally embedded.
Thermal installations for industry
The Callens Group supplies industrial environments with reliable temperature. Our thermal systems ensure stability and perform under high pressure, while minimizing CO2 and NOx emissions. We do so with our:
Industrial steam, thermal oil and hot water boilers
Industrial heat pumps,
Industrial HVAC systems that take care of ventilation, heating and cooling
We handle the entire process from engineering, installation to service to provide you with the best possible advice and maximize reliability. As EPCS contractor, we take care of everything, from start to finish.
Engineering
We engineer each design with a strong vision: the right technology that matches performance with business goals and sustainability.
Procurement
Thanks to a strong network of reliable suppliers and a sharp focus on quality and cost efficiency, your project remains on schedule and within budget.
Construction
The Callens Group coordinates all the parties involved and monitors progress, so that you end up with an installation that is safe and built according to plan. What’s more, we even provide you with the necessary support during commissioning.
Service
Even after your system is up and running, we are at your disposal 24/7. We monitor your system’s performance, take care of periodic maintenance and are quickly on site in the event of issues affecting continuity.
Dedicated teams for each phase
Each phase comes with a dedicated team with its own specific know-how and experience. The Family of Fire – as we call our 430-strong staff – are professionals who work with dedication and according to the highest standards.
The Callens Group’s innovations are led by the Department of Technology. This particular team focuses on the integration of new technologies, such as e-boilers and MVR.
Family roots and pioneer in the energy transition
Our family roots and pioneering spirit put the Callens Group in a unique position. We are a partner for the long term and are very much personally involved every step of the way, guaranteeing you short decision lines. We turn the energy transition into an opportunity for everyone.
Meanwhile, the second generation of the Callens family are at the helm of the group: Annick Callens and Windy Moerman. As Co-CEOs, they have been building on a strategic future since 2003. Over the years, they completed several acquisitions that put us in a strong position to face the many challenges in the sector.
Active in Europe, with branches in Belgium, the Netherlands and France
Head office in Waregem (Belgium) + 2 branches in Belgium + 4 branches in the Netherlands + 4 branches in France
150 turnkey heating and air technology projects carried out under our own management a year
Ambitious team of 430 people, 120 of whom specialized in service and maintenanc
A consolidated turnover of €120 million
The Callens Group for combined forces
Businesses opt for the Callens Group because of the combined forces that provide extra know-how and flexibility. We help industrial firms progress thanks to:
Our family values that allow is to offer a personal service and short decision lines
Our 60 years’ experience in thermal installations and a continuous pursuit of improvement
A fully integrated approach: engineering, installation and maintenance
Own service teams in every country to be on the spot swiftly
