For Humidifier, target % in HomeKit differs from actual target %.

[Snuffy2]

The problem

I believe this is the same as #55173

It makes it hard/impossible to set the desired Humidity in Homekit as the % you choose on the slider is not the actual % that is set.

Would it be possible to ignore the min/max attribute in the slider and allow setting the target humidity from 0-100%. Then if the number selected is < Min or > Max, override the value to the min/max attribute.

That way the slider will accurately reflect the desired target humidity but also respect the min/max.

What version of Home Assistant Core has the issue?

2022.12.8

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Supervised

Integration causing the issue

HomeKit

Link to integration documentation on our website

https://www.home-assistant.io/integrations/homekit/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[home-assistant]

Hey there @bdraco, mind taking a look at this issue as it has been labeled with an integration (homekit) you are listed as a code owner for? Thanks!

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[bdraco]

HomeKit represents the value as the percentage of the available range. It's not expected to match the value in Home Assistant when the range differs. Changing this would be a breaking change

[Snuffy2]

But then how you explain to a family member who uses the Home app how to set the desired humidity? They set the slider to 40% and expect the target humidity to be set to 40%. I can just picture the eye-roll that would come if I explained that: "no, you need to look up the max and min (which my family doesn't actually have any way to look up) and then take 40% of that range and that is what the target humidity will be set to."

[bdraco]

That seems like a question for Apple as that's how it's designed

[Snuffy2]

Ok. Well then I put together a fan template to work around it. I'll use this to reflect the actual target percentages even though it is called speed as it is now a fan.

#fan:
- platform: template
  fans:
    master_bedroom_humidifier:
      friendly_name: "Master Bedroom Humidifier"
      unique_id: master_bedroom_humidifier_fan_template
      value_template: "{{ states('humidifier.master_bedroom_humidifier') }}"
      turn_on:
        - service: humidifier.turn_on
          target:
            entity_id: humidifier.master_bedroom_humidifier
      turn_off:
        - service: humidifier.turn_off
          target:
            entity_id: humidifier.master_bedroom_humidifier
      percentage_template: >
        {{ state_attr('humidifier.master_bedroom_humidifier','humidity') }}
      set_percentage:
        - service: humidifier.set_humidity
          target:
            entity_id: humidifier.master_bedroom_humidifier
          data:
            humidity: >
              {% set percent_bound=percentage|int(default=0) %}
              {% if state_attr('humidifier.master_bedroom_humidifier','min_humidity') is not none and percent_bound < state_attr('humidifier.master_bedroom_humidifier','min_humidity') %}
                {% set percent_bound=state_attr('humidifier.master_bedroom_humidifier','min_humidity')|int(default=0) %}
              {% endif %}
              {% if state_attr('humidifier.master_bedroom_humidifier','max_humidity') is not none and percent_bound > state_attr('humidifier.master_bedroom_humidifier','max_humidity') %}
                {% set percent_bound=state_attr('humidifier.master_bedroom_humidifier','max_humidity')|int(default=0) %}
              {% endif %}
              {{ percent_bound|int(default=0) }}
      preset_modes:
        - "auto"
        - "sleep"
        - "manual low"
        - "manual mid"
        - "manual high"
      preset_mode_template: >
        {{ state_attr('humidifier.master_bedroom_humidifier','mode') }}
      set_preset_mode:
        - service: humidifier.set_mode
          target:
            entity_id: humidifier.master_bedroom_humidifier
          data:
            mode: "{{ preset_mode }}"

[bdraco]

That sounds like a good solution 👍

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