trv_booster.yaml

blueprint:
  name: TRV Booster
  description: Some valves don't open fully when the difference is small
  domain: automation
  input:
    themperature:
      name: Themperature sensor
      selector:
        entity:
          domain: sensor
          device_class: temperature
    themperature_min:
      name: Minimal themperature to trig the automation
      selector:
        number:
          min: 0
          max: 100
          step: 0.1
    boost:
      name: Boost number
      selector:
        entity:
          domain: number

mode: restart

variables:
  themperature: !input themperature
  themperature_state: '{{ states(themperature) | float(0) }}'

  themperature_min: !input themperature_min

  boost: !input boost
  boost_max: '{{ state_attr(boost, "max") | float(0) }}'

trigger:
  - platform: time_pattern
    minutes: /5
 
condition:
  - condition: template
    value_template: '{{ themperature_state >= themperature_min }}'

action:
  - service: number.set_value
    target:
      entity_id: !input boost
    data:
      value: '{{ boost_max }}'