Home Assistant

Water heater

The Water heater integrationIntegrations connect and integrate Home Assistant with your devices, services, and more.
[Learn more] is built for the controlling and monitoring of hot water heaters.

To enable this integrationIntegrations connect and integrate Home Assistant with your devices, services, and more.
[Learn more], pick one of the platforms, and add it to your configuration.yaml:

# Example configuration.yaml entry
water_heater:
  platform: demo

Services

Water heater control services

Available services: water_heater.set_temperature, water_heater.turn_away_mode_on, water_heater.turn_away_mode_off, water_heater.set_operation_mode

Not all water heater services may be available for your platform. Be sure to check the available services Home Assistant has enabled by checking Developer Tools -> Services.

Service water_heater.set_temperature

Sets target temperature of water heater device.

Service data attribute Optional Description
entity_id yes String or list of strings that point at the entity_id of water heater devices to control. Use entity_id: all to target all.
temperature no New target temperature for water heater
operation_mode yes Operation mode to set the temperature to. This defaults to current_operation mode if not set, or set incorrectly. For a list of possible modes, refer to the integrationIntegrations connect and integrate Home Assistant with your devices, services, and more.

[Learn more] documentation.

Automation example

automation:
  trigger:
    platform: time
    at: "07:15:00"
  action:
    - service: water_heater.set_temperature
      target:
        entity_id: water_heater.demo
      data:
        temperature: 24
        operation_mode: eco

Service water_heater.set_operation_mode

Set operation mode for water heater device

Service data attribute Optional Description
entity_id yes String or list of strings that point at the entity_id of water heater devices to control. Use entity_id: all to target all.
operation_mode no New value of operation mode. For a list of possible modes, refer to the integration documentation.

Automation example

automation:
  trigger:
    platform: time
    at: "07:15:00"
  action:
    - service: water_heater.set_operation_mode
      target:
        entity_id: water_heater.demo
      data:
        operation_mode: eco

Service water_heater.set_away_mode

Turn away mode on or off for water heater device

Service data attribute Optional Description
entity_id yes String or list of strings that point at the entity_id of water heater devices to control. Use entity_id: all to target all.
away_mode no New value of away mode. ‘on’/‘off’ or True/False

Automation example

automation:
  trigger:
    platform: time
    at: "07:15:00"
  action:
    - service: water_heater.set_away_mode
      target:
        entity_id: water_heater.demo
      data:
        away_mode: true