Smart Thermostat for Windows v2

smart_thermostat_v2.yaml

blueprint:
  name: Smart Thermostat for Windows
  description: 'Based on your window sensor this automation turns the thermostat on
    or off. You can also specify the time that is needed to switch the state. '
  domain: automation
  input:
    window_sensor:
      name: Window / Door Sensor
      selector:
        entity:
          domain: binary_sensor
    window_delay:
      name: Window / Door Sensor Delay
      description: Time the sensor needs to stay the same after change to trigger
        the automation. This is done to avoid retriggering. (Default = 5s)
      default: 30
      selector:
        number:
          mode: box
          min: 0.0
          max: 3600.0
          unit_of_measurement: seconds
          step: 1.0
    thermostat:
      name: Thermostat
      selector:
        entity:
          domain: climate
    thermostat_helper:
      name: Thermostat Helper to store last State
      selector:
        entity:
          domain: input_text
variables:
  thermostat_entity: !input thermostat
  thermostat_helper_entity: !input thermostat_helper
trigger:
- platform: state
  entity_id: !input 'window_sensor'
  to: 'off'
  from: 'on'
  for: !input 'window_delay'
- platform: state
  entity_id: !input 'window_sensor'
  to: 'on'
  from: 'off'
  for: !input 'window_delay'
action:
- choose:
  - conditions:
    - condition: and
      conditions:
      - condition: state
        entity_id: !input 'window_sensor'
        state: 'off'
    sequence:
    - service: climate.set_hvac_mode
      data:
        hvac_mode: "{{ states(thermostat_helper_entity) }}"
      target:
        entity_id: !input 'thermostat'
  - conditions:
    - condition: or
      conditions:
      - condition: state
        entity_id: !input 'window_sensor'
        state: 'on'
    sequence:
    - service: input_text.set_value
      data:
        value: "{{ states(thermostat_entity) }}"
      target:
        entity_id: !input 'thermostat_helper'
    - service: climate.set_hvac_mode
      data:
        hvac_mode: 'off'
      target:
        entity_id: !input 'thermostat'
  default: []