Since October 2010, the ETS4 software have been used successfully by professionals as well as by private users. 9 years later, with the evolution of the technology, the ETS4 software will reach the end of its life cycle and will be discontinued. That’s why KNX Association offers 40% on all updates from ETS4 to ETS5 Professional in January 2020. This is the only time when such a rebate will be offered, so do not miss this unique opportunity!


  • update from ETS4 to ETS5 Professional
  • This offer can not be combined with other actions or voucher
  • Reduction only valid on the regular price

Your voucher code: JAN2020ETS4ETS5NHE8GCBSNE

What to do : copy this code and follow the instructions indicated in the menu "MY ACCOUNT / VOUCHERS"

After entering this code you can then order and use your voucher during the ordering process.