MQTT HVAC: Temperature step size?

[123 (Taras)]

Yes, I received assistance to create an appropriate template in this thread:

Need help with value_template for MQTT HVAC

I need a template to convert the incoming values (integer) into something meaningful for MQTT HVAC (string). It seems so simple yet I’m not succeeding. The HVAC system’s operating mode is published as an integer value: 0=auto 1=heat 2=cool 4=off FanMode is also published as an integer value: 0=auto 2=on Both topics are published with retain=true so Home Assistant is assured of acquiring it upon startup. Nevertheless, it always reports the system is Off and the fan mode has no value. The…

Ultimately, I created a custom component for MQTT HVAC that also supports a command_template so it can publish the correct messages to control my physical thermostat.