What it exposes
| Feature | Property | Values | Control |
|---|---|---|---|
| Climate | current_heating_setpoint, local_temperature, local_temperature_calibration, system_mode, running_state, preset | heating setpoint, room temperature, local_temperature_calibration, mode, running state, preset | settable |
| Humidity | humidity | % | read only |
| Battery | battery | % · 0…100 | read only |
| Child lock | child_lock | — | settable |
| Backlight | backlight | — | settable |
| Window state | window_state | close, open | read only |
| Open window detection | window_detection | — | settable |
| Frost protection | frost_protection | — | settable |
| Comfort temperature | comfort_temperature | °C · 5…35 | settable |
| Eco temperature | eco_temperature | °C · 5…35 | settable |
| Window open detection time | window_open_detection_time | min · 0…1440 | settable |
| Window open detection temperature | window_open_detection_temperature | °C · 0…35 | settable |
| Window open delay time | window_open_delay_time | min · 0…1440 | settable |
| Boost time | boost_time | min · 0…1440 | settable |
| Valve init opening | valve_init_opening | % · 0…100 | settable |
| Valve opening | valve_opening | % | read only |
| Pid p | pid_p | 0…100 | settable |
| Pid i | pid_i | 0…100 | settable |
| Trv count | trv_count | — | read only |
| Quick pair | quick_pair | — | settable |
| Display reversed | display_reversed | — | settable |
| Humidity control | humidity_control | — | settable |
| Humidity setpoint | humidity_setpoint | % · 0…100 | settable |
| Heat times today | heat_times_today | — | read only |
| Heat times month | heat_times_month | — | read only |
| Heat times total | heat_times_total | — | read only |
MQTT: state and commands
Zigbee2MQTT publishes the device state to zigbee2mqtt/my_device (my_device is the name you give the device). An example message:
{
"current_heating_setpoint": 21,
"local_temperature": 20.5,
"system_mode": "heat",
"humidity": 46.2,
"battery": 87,
"child_lock": false,
"backlight": false,
"window_state": "close",
"window_detection": false,
"frost_protection": false,
"comfort_temperature": 20,
"eco_temperature": 20,
"window_open_detection_time": 720,
"window_open_detection_temperature": 18,
"linkquality": 120
}
Send commands to zigbee2mqtt/my_device/set:
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"current_heating_setpoint":21.5}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"system_mode":"heat"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"child_lock":true}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"backlight":true}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"window_detection":true}'
Watch the topics live from the browser: MQTT client.
Home Assistant automation example
Zigbee2MQTT creates Home Assistant entities from the device name. If it is called my_device, an automation in automations.yaml can look like this:
- alias: "Cooler at night"
mode: single
triggers:
- trigger: time
at: "23:00:00"
actions:
- action: climate.set_temperature
target:
entity_id: climate.my_device
data:
temperature: 18
Check the YAML: YAML checker.
How to pair it
- In Zigbee2MQTT click Permit join.
- Put the device in pairing mode: usually a long press of the reset button (5–10 s) until the LED blinks; bulbs: switch the power off and on 5–6 times.
- Keep the device close to the coordinator or a router while pairing.
- Give it a clear name: MQTT topics and Home Assistant entities are built from it.
Exact procedure and model notes: the device page in the Zigbee2MQTT docs. No coordinator yet: coordinator picker.