Template Sensor Helper not available as Generic Thermostat Entity

Hello good People! so, the case is: Solar Station battery, where BMS reports 4 Temp sensors, and I need average of those to trigger external Battery Heating switch, but I don’t see it as an option when I try to configure it as a Thermostat… Help, I need somebody (C) )))

Open your Home Assistant instance and show your helper entities.
Then with the 3 dots, select combine.

Did you set the Device Class of the Template Sensor to temperature and give it an appropriate unit_of_measurement?

It will work if you create the generic thermostat in a climate.yaml file instead of using the gui.

Yes, this did the trick. I thought that mean value sensor is from ‘template’ platform, but it appeared to be ‘min-max’, where no device class/unit of measurement allowed, so I had to create a template sensor on top of it, where I’ve set those two explicitly, and it appeared as thermostat option then. Not that elegant, but works ))

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