The Callens Group, headquartered in Waregem, Belgium, stands at the forefront of industrial heating and ventilation technology. Backed by more than six decades of hands-on expertise, the company partners with industry - particularly in potato processing - to deliver precise, efficient, and reliable temperature across complex production environments.

Engineered for performance under pressure, Callens Group systems are built to ensure operational stability while keeping CO₂ and NOx emissions to a minimum. Rather than relying on off-the-shelf solutions, the group takes a tailored approach: carefully selecting and integrating the most appropriate technologies to craft sustainable, end-to-end systems. Its portfolio includes advanced solutions such as electric steam boilers, high-efficiency heat pumps, thermal oxidizers, and sophisticated HVAC installations designed for applications like humidity control.

As a full-service EPCS (Engineering, Procurement, Construction, and Service) integrator, the Callens Group delivers seamless project execution from concept through commissioning and service. Clients benefit from deep technical expertise and hands-on guidance at every stage, ensuring both performance and peace of mind.

Today, the Callens Group operates through four specialized companies across Belgium, the Netherlands, and France. With a network of 13 locations, the organization combines international reach with a strong local presence, allowing it to respond quickly and provide highly personalized support to every customer.