sarah/config/packages/modules/climate/windows.yaml

group:
  all_windows:
    name: All windows
    entities:
      - binary_sensor.living_room_right_window
      - binary_sensor.bedroom_left_window
      - binary_sensor.bedroom_right_window
      - binary_sensor.kitchen_window

  bedroom_windows:
    name: Bedroom windows
    entities:
      - binary_sensor.bedroom_left_window
      - binary_sensor.bedroom_right_window

binary_sensor:
  - platform: mqtt
    name: "Living room right window"
    state_topic: "z2m_deconz/living_room_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    payload_on: false
    payload_off: true
    value_template: "{{ value_json.contact }}"
    device_class: "window"

  - platform: mqtt
    name: "Bedroom left window"
    state_topic: "z2m_deconz/bedroom_left_window"
    availability_topic: "z2m_deconz/bridge/state"
    payload_on: false
    payload_off: true
    value_template: "{{ value_json.contact }}"
    device_class: "window"

  - platform: mqtt
    name: "Bedroom right window"
    state_topic: "z2m_deconz/bedroom_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    payload_on: false
    payload_off: true
    value_template: "{{ value_json.contact }}"
    device_class: "window"

  - platform: mqtt
    name: "Kitchen window"
    state_topic: "z2m_deconz/kitchen_window"
    availability_topic: "z2m_deconz/bridge/state"
    payload_on: false
    payload_off: true
    value_template: "{{ value_json.contact }}"
    device_class: "window"

sensor:
  - platform: mqtt
    name: "Living room right window battery"
    state_topic: "z2m_deconz/living_room_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    unit_of_measurement: "%"
    device_class: "battery"
    value_template: "{{ value_json.battery }}"

  - platform: mqtt
    name: "Living room right window LQI"
    state_topic: "z2m_deconz/living_room_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    icon: "mdi:signal"
    unit_of_measurement: "lqi"
    value_template: "{{ value_json.linkquality }}"

  - platform: mqtt
    name: "Bedroom left window battery"
    state_topic: "z2m_deconz/bedroom_left_window"
    availability_topic: "z2m_deconz/bridge/state"
    unit_of_measurement: "%"
    device_class: "battery"
    value_template: "{{ value_json.battery }}"

  - platform: mqtt
    name: "Bedroom left window LQI"
    state_topic: "z2m_deconz/bedroom_left_window"
    availability_topic: "z2m_deconz/bridge/state"
    icon: "mdi:signal"
    unit_of_measurement: "lqi"
    value_template: "{{ value_json.linkquality }}"

  - platform: mqtt
    name: "Bedroom right window battery"
    state_topic: "z2m_deconz/bedroom_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    unit_of_measurement: "%"
    device_class: "battery"
    value_template: "{{ value_json.battery }}"

  - platform: mqtt
    name: "Bedroom right window LQI"
    state_topic: "z2m_deconz/bedroom_right_window"
    availability_topic: "z2m_deconz/bridge/state"
    icon: "mdi:signal"
    unit_of_measurement: "lqi"
    value_template: "{{ value_json.linkquality }}"

  - platform: mqtt
    name: "Kitchen window battery"
    state_topic: "z2m_deconz/kitchen_window"
    availability_topic: "z2m_deconz/bridge/state"
    unit_of_measurement: "%"
    device_class: "battery"
    value_template: "{{ value_json.battery }}"

  - platform: mqtt
    name: "Kitchen window LQI"
    state_topic: "z2m_deconz/kitchen_window"
    availability_topic: "z2m_deconz/bridge/state"
    icon: "mdi:signal"
    unit_of_measurement: "lqi"
    value_template: "{{ value_json.linkquality }}"

  - platform: template
    sensors:
      open_window_count:
        entity_id:
          - binary_sensor.living_room_right_window
          - binary_sensor.bedroom_left_window
          - binary_sensor.bedroom_right_window
          - binary_sensor.kitchen_window
        friendly_name: Open window count
        value_template: >-
          {% set entityStates = states | selectattr('entity_id', 'in', state_attr('group.all_windows', 'entity_id')) %}
          {{ entityStates | selectattr('state', 'eq', 'on') | list | count | int }}