home-assistant.io/source/_integrations/water_heater.markdown
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Co-authored-by: Joakim Sørensen <joasoe@gmail.com>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
2023-11-19 14:43:27 +01:00

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---
title: Water heater
description: Instructions on how to setup water heater devices within Home Assistant.
ha_release: 0.81
ha_domain: water_heater
ha_quality_scale: internal
ha_category: []
ha_codeowners:
- '@home-assistant/core'
ha_integration_type: entity
---
The **Water heater** {% term integration %} is built for the controlling and monitoring of hot water heaters.
To enable this {% term integration %}, pick one of the platforms, and add it to your `configuration.yaml`:
```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`
<div class='note'>
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**.
</div>
### 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 {% term integration %} documentation.
#### Automation example
```yaml
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
```yaml
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
```yaml
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
```