Comparer 2 températures

En intégrant toutes les réponses que vous m’avez fournies, voici le nouveau code. Il est en test, je surveille pour voir comment ça se comporte.

alias: VMC Studio
description: ""
trigger:
  - platform: numeric_state
    entity_id: sensor.humidite_sdb_studio_humidity
    below: 65
    id: Sec
  - platform: numeric_state
    entity_id: sensor.humidite_sdb_studio_humidity
    id: Intérieur < Extérieur
    below: sensor.temperature_pool_house_humidity
  - platform: template
    value_template: >-
      {% if (states('sensor.humidite_sdb_studio_humidity')|float(0)) -
      (states('sensor.temperature_pool_house_humidity')|float(0)) >=10
      %}true{%endif%}
    id: Extérieur < Intérieur+10
  - platform: numeric_state
    entity_id: sensor.humidite_sdb_studio_humidity
    id: Humide
    above: 77
condition: []
action:
  - choose:
      - conditions:
          - condition: trigger
            id:
              - Sec
              - Intérieur < Extérieur
          - condition: state
            entity_id: timer.vmc_studio
            state: idle
        sequence:
          - service: switch.turn_off
            data: {}
            target:
              entity_id: switch.vmc_studio
          - delay:
              hours: 0
              minutes: 0
              seconds: 10
              milliseconds: 0
          - service: switch.turn_off
            data: {}
            target:
              entity_id: switch.vmc_studio
      - conditions:
          - condition: trigger
            id:
              - Extérieur < Intérieur+10
              - Humide
        sequence:
          - service: switch.turn_on
            data: {}
            target:
              entity_id: switch.vmc_studio
          - delay:
              hours: 0
              minutes: 0
              seconds: 10
              milliseconds: 0
          - service: switch.turn_on
            data: {}
            target:
              entity_id: switch.vmc_studio
          - if:
              - condition: trigger
                id:
                  - Humide
            then:
              - service: timer.start
                data: {}
                target:
                  entity_id: timer.vmc_studio
mode: single

Merci beaucoup pour votre aide.