Speed up and slow down ceiling fans, as it get's hotter and colder.

fan-temperature.yaml

blueprint:
  name: Fan Temperature
  description: |
    Speed up and slow down ceiling fans, as it gets hotter and colder.
  domain: automation
  source_url: https://gist.github.com/manix84/c16a8e46d10423e4354b5e862facc907
  author: Manix84
  input:
    fan_entity_ids:
      name: Fans
      description: The fans you wish to control
      selector:
        entity:
          multiple: true
          domain: fan
    temperature_sensor_entity_id:
      name: Temperature Sensor
      description: The temperature sensor to use
      selector:
        entity:
          device_class: temperature
    temperature_low:
      name: Low Temperature
      description: The temperature at which the fans should be set to the lowest speed
      default: 20
      selector:
        number:
          min: 0
          max: 100
          unit_of_measurement: "°C"
    temperature_medium:
      name: Medium Temperature
      description: The temperature at which the fans should be set to the medium speed
      default: 25
      selector:
        number:
          min: 0
          max: 100
          unit_of_measurement: "°C"
    temperature_high:
      name: High Temperature
      description: The temperature at which the fans should be set to the highest speed
      default: 30
      selector:
        number:
          min: 0
          max: 100
          unit_of_measurement: "°C"

trigger:
  platform: state
  entity_id: !input temperature_sensor_entity_id

condition: []

action:
  - choose:
      - conditions:
          - condition: numeric_state
            entity_id: !input temperature_sensor_entity_id
            above: !input temperature_high
        sequence:
          - condition: not
            conditions:
              - condition: state
                entity_id: !input fan_entity_ids
                attribute: preset_mode
                state: "high"
          - service: fan.set_preset_mode
            target:
              entity_id: !input fan_entity_ids
            data:
              preset_mode: "high"
      - conditions:
          - condition: numeric_state
            entity_id: !input temperature_sensor_entity_id
            below: !input temperature_high
            above: !input temperature_medium
        sequence:
          - condition: not
            conditions:
              - condition: state
                entity_id: !input fan_entity_ids
                attribute: preset_mode
                state: "medium"
          - service: fan.set_preset_mode
            target:
              entity_id: !input fan_entity_ids
            data:
              preset_mode: "medium"
      - conditions:
          - condition: numeric_state
            entity_id: !input temperature_sensor_entity_id
            below: !input temperature_medium
            above: !input temperature_low
        sequence:
          - condition: not
            conditions:
              - condition: state
                entity_id: !input fan_entity_ids
                attribute: preset_mode
                state: "low"
          - service: fan.set_preset_mode
            target:
              entity_id: !input fan_entity_ids
            data:
              preset_mode: "low"
    default:
      - condition: not
        conditions:
          - condition: or
            conditions:
              - condition: state
                entity_id: !input fan_entity_ids
                attribute: preset_mode
                state: off
              - condition: state
                entity_id: !input fan_entity_ids
                state: "off"
      - service: fan.set_preset_mode
        target:
          entity_id: !input fan_entity_ids
        data:
          preset_mode: "off"
      - service: fan.turn_off
        target:
          entity_id: !input fan_entity_ids

mode: restart