# set.fan.temp_offset
Sets the target temperature offset for the fan control system, in degrees Celsius. This feature is only available on air-cooled devices.
## Parameters
| param | Number | The temperature offset value. Must be a negative integer or zero. Range: -30 to 0 |
## Examples
### Request
```json
{
"cmd": "set.fan.temp_offset",
"ts": 419304089,
"token": "Y0Ijoro/",
"account": "super",
"param": -10
}
```
### Response
```json
{
"code": 0,
"when": 1692685512,
"msg": "ok",
"desc": "set.fan.temp_offset"
}
```