I'm using the Drayton Wiser smart thermostat, it has a good HACS integration that runs fully locally.
I've also seen some generic Zigbee thermostats available which might be an option.
I'm using the Drayton Wiser smart thermostat, it has a good HACS integration that runs fully locally.
I've also seen some generic Zigbee thermostats available which might be an option.