Mans Nilsson wrote:
> most such turn-key control systems exist not to provide
> the home owner with a stable control system, but instead
> tie the customer into relying on the provider not going bust,

Which is why a bunch of clever people conceived of openHAB as an open
source project. That's why I'm surprised at its tending to rely on
commercial components.

> Several options exist for connecting to the Pi

Connecting the sensors is not my problem, although I've not yet looked
into the details yet. Thermostatic control, especially for a slow
delayed system with floor heating, is a non trivial problem and there
are several additional constraints. Not even my simple mechanical ones
with large hystreresis and internal feedback are that easy to emulate in
software. Intelligent room thermostats have their price for a reason.
It's just that runnung openHAB centrally I do not want or need a
computer, display and interface in every room. It's certainly doable,
but nor something everyone can hack together for himself in a few
minutes - i.e. exactly the kind of thing you'd expect to find modules
for.

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