# Aqara smart radiator termostat and external sensor

**URL:** <https://community.homey.app/t/aqara-smart-radiator-termostat-and-external-sensor/145260>\
**Category:** Devices\
**Created:** [November 12, 2025, 1:23pm UTC](https://community.homey.app/t/aqara-smart-radiator-termostat-and-external-sensor/145260 "2025-11-12T13:23:56Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [November 18, 2025, 11:22am UTC](https://community.homey.app/t/aqara-smart-radiator-termostat-and-external-sensor/145260/11 "2025-11-18T11:22:03Z")

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I already explained that you should search the forum. This functionality hasn’t worked (well) for a long time:

- [Aqara Heizkörperthermostat E1 übernimmt nicht den Wert über externen Sensor](https://community.homey.app/t/aqara-heizkorperthermostat-e1-ubernimmt-nicht-den-wert-uber-externen-sensor/144007)
- [Aqara E1 Thermostat + Aqara Temperature Sensor - #23 by Hans\_Wurst](https://community.homey.app/t/aqara-e1-thermostat-aqara-temperature-sensor/113135/23)
- [Aqara E1 Thermostat + Aqara Temperature Sensor - #30 by Cedric\_Gijsen](https://community.homey.app/t/aqara-e1-thermostat-aqara-temperature-sensor/113135/30)

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