Energy recovery systems

Looking for a custom-built energy recovery system? A system that efficiently recovers waste heat and allows you to keep your energy costs under control? Give Callens a call!

Contact us

A custom-built solution

As energy specialists, we examine which energy recovery system that meets the technological and environmental standards will give you the highest possible output.

To do so, we even hired a certified energy expert who can advise you on the energy recovery system that is best for you at any time.

Our product range

  • Economisers
  • Condensers
  • Thermal degassing units
  • Heat exchangers
  • Waste heat recovery boilers
  • HRSGs
  • Deodorisation
  • ...


To give you an idea of the extent of our expertise in energy recovery systems, we thought it might be nice to offer you a selection of our most impressive projects. Hot off the press!