Best Smart Home Systems for Whole House Control (Excluding Satel, EBS, Paradox)

Yanchynsky wrote:

... the "KOHER" system. This is a Polish manufacturer that has already been here for 20 years, but I really found very little information about it on the internet. ...

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This is because these are not systems for the 'hero of their home' and are systems for trained installers. Users of such systems are not 'heroes of the home' and often 'know' nothing more about them than that they 'flick a switch and it becomes light' - so not much to write about.

This is not the Fibaro or HomeMatic class, because these are for "heroes of the house" and you will find information about them on the Internet.

Finally - I am not familiar with the "KOHER" system, but usually such systems are quite a lot more expensive than those for "heroes of the house".