Homeassistant Blueprint - Sets a climate entity to a specifc temperatures at a set time everyday. If climate entity is off, it is normally not accepting temperature updated. This blueprints checks if climate entity is off and the temperature update will be set when thermostat is going back in heating mode.

set_climate_on_different_times.yaml

blueprint:
  name: Set thermostat temperature at specific times a day
  description: Sets a climate entity to a specifc temperatures at a set time everyday. If climate entity is off, it is normally not accepting temperature updated. This blueprints checks if climate entity is off and the temperature update will be set when thermostat is going back in heating mode.
  domain: automation
  source_url: https://gist.github.com/dirkk1980/70097f1a1e3cea543c3b0fa029754725
  input:
    time_to_set_morning:
      name: Time for morning
      description: When should the temperature be set
      selector:
        time:
    temp_to_set_morning:
      name: Temperature
      description: Temperature to set for morning
      default: 19.5
      selector:
        number:
          min: 10
          max: 30
          unit_of_measurement: degrees
          step: 0.5
    time_to_set_afternoon:
      name: Time for afternoon
      description: When should the temperature be set
      selector:
        time:
    temp_to_set_afternoon:
      name: Temperature
      description: Temperature to set for afternoon
      default: 19.5
      selector:
        number:
          min: 10
          max: 30
          unit_of_measurement: degrees
          step: 0.5
    time_to_set_evening:
      name: Time for evening
      description: When should the temperature be set
      selector:
        time:
    temp_to_set_evening:
      name: Temperature
      description: Temperature to set for evening
      default: 19.5
      selector:
        number:
          min: 10
          max: 30
          unit_of_measurement: degrees
          step: 0.5
    time_to_set_night:
      name: Time for night
      description: When should the temperature be set
      selector:
        time:
    temp_to_set_night:
      name: Temperature
      description: Temperature to set for night
      default: 19.5
      selector:
        number:
          min: 10
          max: 30
          unit_of_measurement: degrees
          step: 0.5
    climate_entity:
      name: Thermostat
      description: Climate entity which will get the temperature update
      selector:
        entity:
          domain: climate

trigger:
  - platform: time
    at:
      - !input time_to_set_morning
      - !input time_to_set_afternoon
      - !input time_to_set_evening
      - !input time_to_set_night

mode: single

action:
  - choose:
      - conditions:
          - condition: state
            entity_id: !input climate_entity
            state: "heat"
        sequence:
          - choose:
              - conditions:
                  - condition: time
                    after: !input time_to_set_morning
                    before: !input time_to_set_afternoon
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_morning
              - conditions:
                  - condition: time
                    after: !input time_to_set_afternoon
                    before: !input time_to_set_evening
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_afternoon
              - conditions:
                  - condition: time
                    after: !input time_to_set_evening
                    before: !input time_to_set_night
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_evening
              - conditions:
                  - condition: time
                    after: !input time_to_set_night
                    before: !input time_to_set_morning
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_night
      - conditions:
          - condition: state
            entity_id: !input climate_entity
            state: "off"
        sequence:
          - wait_for_trigger:
              platform: state
              entity_id: !input climate_entity
              from: "off"
              to: "heat"
            #delay is necessary to prevents an override by other functions like window/doors sensor control which are restoring the prevoius temperature
          - delay: 10
          - choose:
              - conditions:
                  - condition: time
                    after: !input time_to_set_morning
                    before: !input time_to_set_afternoon
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_morning
              - conditions:
                  - condition: time
                    after: !input time_to_set_afternoon
                    before: !input time_to_set_evening
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_afternoon
              - conditions:
                  - condition: time
                    after: !input time_to_set_evening
                    before: !input time_to_set_night
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_evening
              - conditions:
                  - condition: time
                    after: !input time_to_set_night
                    before: !input time_to_set_morning
                sequence:
                  - service: climate.set_temperature
                    entity_id: !input climate_entity
                    data:
                      temperature: !input temp_to_set_night