Dennis Lee Bieber wrote:
> Could some of that be due to building/wiring codes and insurance
> liability coverage?

I doubt it. The security issues are with the outputs, where the Pi is
somehow made to control the actuators of the heating system, here
open/close valves driven by 230 V. How its input is derived and desired
output is computed, is not an issue. Sure, it can become far too hot or
too cold, but you can achieve that manually using a standard thermostat
too.

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