I quoted “thermostat” because what I really need is a battery powered unit (using zigbee or similar) where I can:
read room temperature,
set the target temp displayed on the unit, and
read what the user has set the target temp to, if they choose to overide the programmed target.
I don’t need the device to actually control anything as I will do that inside HA.
The environment is that each room as a Z-Wave rad valve to do the actual temp control. I also have a Shelly controlling the boiler.
What I want to do is to:
use Schedy to set a baseline temperature profile for each room (already done),
allow the user to overide this using a room-based control (to do),
but then use the actual room temp to decide whether the boiler needs to run or not - based on whether or not the actual temp is lower than the target (to do).
Thanks for that. I saw the Xiaomi units, but they only provide the sensor and not the control bit. I can do the temperature/humidity monitoring with the emonTH sensors that form part of my OpenEnergyMonitor system. It’s the user control I’m struggling with (at least without paying through the nose for a Z-Wave thermostat)