# tado° Smart Thermostat V3+

*tado°*

> The Smart Thermostat V3+ is a wired add-on room thermostat that runs on three AAA batteries. It connects through the Internet Bridge of a V3+ Starter Kit. It suits HomeKit users, with native support through the maker's hub. Google Home, Alexa and Home Assistant users reach it through an integration (the maker's hub).

- Canonical page: https://smarthomecanon.com/devices/tado-smart-thermostat-v3
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [tado°](https://smarthomecanon.com/brands/tado) |
| Category | Thermostat |
| Status | Current[^1] |
| Type | Wired room thermostat[^1][^2] |
| Released | unknown |
| Connection | Through the Internet Bridge[^1] |
| Power | 3 AAA batteries[^1] |
| Needs | Internet Bridge from a Starter Kit[^1] |
| Size | 104 x 104 x 18 mm[^1] |
| Works with | HomeKit, Alexa and Google[^2][^3] |
| Display | LED matrix with two touch buttons and one mechanical button[^1] |

## Integration paths

**How the tado° Smart Thermostat V3+ connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Proprietary + hub](https://smarthomecanon.com/protocols/proprietary-gateway) | Internet Bridge, Router connection[^1] | withheld | unknown |

**Platform support for the tado° Smart Thermostat V3+**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Proprietary + hub | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^3][^2] |  |
| Proprietary + hub | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^2] |  |
| Proprietary + hub | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^2] |  |
| Proprietary + hub | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | Tado (cloud) |
| Proprietary + hub | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.tado2 |

## Related pages

- [tado° smart heating](https://smarthomecanon.com/lines/tado-smart-heating) (line)
- [tado°](https://smarthomecanon.com/brands/tado) (brand)
- [Proprietary radio with a hub](https://smarthomecanon.com/protocols/proprietary-gateway) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: tado shop: Add-on Smart Thermostat (wired). https://shop.tado.com/en/products/smart-thermostat (manufacturer, checked 2026-10-17)
[^2]: tado: V3+ compatibility page (Smart Radiator Thermostat V3+, Smart Thermostat V3+, Smart AC Control, voice assistants). https://www.tado.com/en/products/compatibility-v3 (manufacturer, checked 2026-10-17)
[^3]: tado Help Center: Are my tado products compatible with Apple Home? (HomeKit and Matter). https://help.tado.com/en/articles/9090627-are-my-tado-products-compatible-with-apple-home (manufacturer, checked 2026-10-17)