# Tado Smart Radiator Thermostat X

Smart Radiator Thermostat X is the Tado radiator valve to buy when you want the newer direct Matter over Thread path instead of the older V3+ system. It is strongest in homes that already have Thread coverage and compatible radiator valves.

Canonical page: https://matterhome.io/devices/tado-smart-radiator-thermostat-x
Markdown page: https://matterhome.io/devices/tado-smart-radiator-thermostat-x.md
Author: Matterhome Editorial Team
Author profile: https://matterhome.io/authors/matterhome-editorial-team
Edited and fact-checked by: JC Martinez
Editor profile: https://matterhome.io/authors/jc-martinez

## Device Facts

- Brand: Tado
- Model: Smart Radiator Thermostat X
- Product type: Smart Radiator Thermostat
- Category: Thermostats
- Connection: Matter over Thread
- Matter status: Tado lists Smart Radiator Thermostat X as part of the Tado X line, with support for Matter and Thread.
- Launch date: 2024
- Thread border router required: Yes
- Brand hub required: No
- Typical price range: EUR55-EUR100
- Markets: Europe, United Kingdom
- Review status: Compatibility guide
- Product image: https://matterhome.io/content-assets/devices/tado-smart-radiator-thermostat-x/product.webp
- Product image alt text: Tado Smart Radiator Thermostat X
- Product image source: https://cdn.shopify.com/s/files/1/0552/4992/8391/files/smart_radiator_thermostat_x_product_h_1x1_0867_20_1.png?v=1748605692

## Ecosystem Support

- Apple Home: Supported
- Google Home: Supported
- Alexa: Supported
- SmartThings: Supported
- Home Assistant: Supported

## Best For

- European radiator homes moving to Tado X
- Rooms that need individual radiator schedules
- Matter homes with a Thread border router already in place

## Skip If

- Your radiators do not use compatible valves
- You want to extend an existing Tado V3+ setup
- You do not have a Thread border router and do not want to add Bridge X

## Setup Notes

- Add Bridge X only if the home does not already have a compatible Thread border router.
- Check valve compatibility and adapters before buying several radiator thermostats.
- Use the Tado app for firmware, schedules, room setup, and Tado-specific services.

## Known Limitations

- Matter covers the common thermostat path, not every Tado app feature or subscription service.
- It is not compatible with Tado V3+ systems.
- Battery devices do not strengthen the Thread mesh for other accessories.

## Pros

- Direct Matter over Thread radiator control
- Rechargeable removable battery pack
- Works with Tado room schedules and multi-room heating
- Can use Bridge X or another compatible Thread border router

## Cons

- Made for compatible European-style radiator valves
- Needs Thread coverage near each radiator
- Tado app services and AI Assist features are not the same as Matter controls

## Sources

- https://www.tado.com/en/products/radiators
- https://shop.tado.com/en/products/smart-radiator-thermostat-x
- https://shop.tado.com/en/products/bridge-x
- https://cdn.shopify.com/s/files/1/0552/4992/8391/files/smart_radiator_thermostat_x_product_h_1x1_0867_20_1.png?v=1748605692

## The Tado X radiator path

Smart Radiator Thermostat X is the direct Matter version of Tado's radiator valve. It belongs on a radiator, replaces the manual thermostatic head, and lets the room call for heat through the Tado X setup rather than only following a whole-home thermostat.

The main upgrade is the network path. Tado says the X line runs on Matter and Thread, so the valve can live in a Matter-over-Thread home with Bridge X or another compatible Thread border router.

## Hardware to check first

Start with the radiator valve, not the app logo. If the valve body or adapter fit is wrong, Matter will not save the installation. This is also a European and UK heating product, so North American HVAC buyers should look elsewhere.

Thread coverage matters too. A radiator valve is usually tucked low, near metal and water. If the closest Thread router is across the house, add infrastructure before installing several valves.

## What stays in Tado

Matter should make basic thermostat control available in Apple Home, Google Home, Alexa, SmartThings, or Home Assistant. Tado's app still matters for setup, updates, room behavior, schedules, and Tado services such as AI Assist.

That split is normal for climate products. Use Matter for ecosystem control and automations, but do not assume every Tado feature becomes a portable Matter feature.

## Should you buy it?

Buy it when you are building a Tado X radiator setup and already have a Thread plan. Skip it if you own Tado V3+ hardware and want a simple add-on, or if your radiator valve compatibility is uncertain.