home-assistant.io/source/_integrations/water_heater.markdown

title, description, ha_release, ha_domain, ha_iot_class

title	description	ha_release	ha_domain	ha_iot_class
Water Heater	Instructions on how to setup water heater devices within Home Assistant.	0.81	water_heater	~

The water_heater integration is built for the controlling and monitoring of hot water heaters.

To enable this component, 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 entity_id's 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.

Automation example

automation:
  trigger:
    platform: time
    at: "07:15:00"
  action:
    - service: water_heater.set_temperature
      data:
        entity_id: water_heater.demo
        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 entity_id's of water heater devices to control. Use entity_id: all to target all.
operation_mode	no	New value of operation mode

Automation example

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