Electrical engineering

Our electrical engineering expertise is, in many respects, the best choice for our units:

HANSA DDCs for optimum control

We develop control strategies for our systems while taking the unit type, the specific application, the installed components and on-site conditions into consideration. Only in our factory does all the information relevant for cost-effective, ecological and reliable control come together.​​​​​​​

Customer-oriented solutions

In addition to our own HEC-DDC (HANSA Energy Control), which covers many standard applications at a reasonable price, other control unit brands (e.g. Saia-Burgess or Siemens) can be utilised according to necessity and agreements.​​​​​​​

Legal certainty – units with the CE marking

Only controlled units can be awarded a CE marking. Since the required conformity assessment procedure must also be implemented for incomplete machines (AHUs without a control system), unnecessary additional costs are incurred here when consulting a third party for certification.​​​​​​​

Simplified service handling


With a HANSA DDC, the operator has a single point of contact for all service inquiries.

Through our DDC management systems, we link the control systems of our air conditioning units to a higher-level building management system or the Internet, thus enabling remote accessing of our units for the purpose of operation, fault management, changing parameters and similar.


Web server management systems offer considerable advantages:

  • No additional software required
  • Operation of the equipment from any PC/laptop connected to the Internet (the web browser is the access software)
  • Interactive control scheme for easy operation
  • High security, thanks to multiple password protection
  • Optimum, cost-effective remote management facility (remote service and remote analysis)
  • Our freely programmable control systems are fully Modbus and BACnet compatible.