Automating an alarm using climate state attributes

Configuration
1

Hi there,

I wonder if anyone can help me with an irritating issue i’m having with my automation.

I have a fridge that i use to keep beer kegs cold, it is controlled by an Inkbird, showing as a climate entity in HA.

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Yesterday, I left the door ajar, and the fridge overheated and iced up. I would like to send a notification to my phone when the temp of the fridge is 3c greater than the setpoint.

So i can set up a keg alarm entity using this value template

{{state_attr("climate.01885101dc4f227adf84","current_temperature") > state_attr("climate.01885101dc4f227adf84","temperature") + 3 }}

An then could use that in the automation, but I fear that because i don’t use lots of value templates, they will get lost, when i have to debug the automation.

What i really wanted to do was this:

- id: "12"
  alias: "Keg Fridge warning"
  # the current temp is 3C grater than the set tempp
  trigger: 
    platform: template
    value_template: "{{ state_attr("climate.01885101dc4f227adf84","current_temperature") > (state_attr("climate.01885101dc4f227adf84","temperature") + 3) }}"

  action:
    - service: notify.mobile_app_pixel_2
      data:
        message: 'Keg fridge over temp'

But i think this fails because the trigger is a limited template and can’t use state_attr.

Does anyone have any cunning plans, or should I just set up the keg_alarm entity using a value template?

Mat

2

Create a sensor using template platform and use that as trigger input?

3

The problem is the way you are using quotes. Use double quotes outside the template and single quotes inside, otherwise this is all Home Assistant sees:

value_template: "{{ state_attr("

e.g.

value_template: "{{ state_attr('climate.01885101dc4f227adf84','current_temperature') > (state_attr('climate.01885101dc4f227adf84','temperature') + 3) }}"

Your attributes appear to be numbers so converting them from strings to floating point numbers like this should not be required:

value_template: "{{ state_attr('climate.01885101dc4f227adf84','current_temperature')|float > (state_attr('climate.01885101dc4f227adf84','temperature')|float + 3) }}"
4

I think that has sorted it, obvious i guess. Thank you so much

I think i got tripped up as this page https://www.home-assistant.io/docs/configuration/templating/#limited-templates suggests that states aren’t supported in limited templates.

I am misunderstanding the documentation?

5

The template trigger is not a limited template, https://www.home-assistant.io/docs/automation/trigger/#template-trigger

6

Ah. I can see that now.

This was the section that i think caught me out:

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7

Yeah the first time I read that made me :eyes: too. Reading the trigger descriptions explicitly state if they use limited templates, e.g. the Event or MQTT triggers https://www.home-assistant.io/docs/automation/trigger/#event-trigger

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