# Somfy TaHoma switch

*Somfy / 1871037*

> The Somfy TaHoma switch is a hub for Somfy Zigbee 3.0 shade motors and RTS motors. It controls up to 60 Zigbee products and 40 RTS channels, Alexa and Google Home voice control covers Zigbee products only, and HomeKit works with select Zigbee motors. It suits HomeKit, Google Home and Alexa users, with native support through the maker's hub. SmartThings and Home Assistant users reach it through an integration (the maker's hub).

- Canonical page: https://smarthomecanon.com/devices/somfy-tahoma-switch
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Somfy](https://smarthomecanon.com/brands/somfy) |
| Category | Hub |
| Model numbers | 1871037 |
| Status | Current[^1] |
| Type | Hub[^1] |
| Radios | Zigbee 3.0 and RTS[^1] |
| Capacity | 60 Zigbee products and 40 RTS channels[^1] |
| App | TaHoma 3.0 app[^1] |

## Integration paths

**How the Somfy TaHoma switch connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Proprietary + hub](https://smarthomecanon.com/protocols/proprietary-gateway) | Wi-Fi or the optional Ethernet adaptor, and the TaHoma 3.0 app[^1] | unknown | unknown |

**Platform support for the Somfy TaHoma switch**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Proprietary + hub | [HomeKit](https://smarthomecanon.com/platforms/homekit) | withheld |  |
| Proprietary + hub | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1][^2] |  |
| Proprietary + hub | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^1][^2] |  |
| Proprietary + hub | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |
| Proprietary + hub | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | Overkiz integration (local API or cloud) |
| Proprietary + hub | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.somfy.tahoma |

## Related pages

- [Somfy TaHoma hubs](https://smarthomecanon.com/lines/somfy-tahoma-hubs) (line)
- [Somfy](https://smarthomecanon.com/brands/somfy) (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)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: TaHoma switch (1871037) - Somfy Systems. https://www.somfysystems.com/en-us/products/1871037/tahoma-switch (manufacturer, checked 2026-10-20)
[^2]: TaHoma by Somfy app - Somfy Systems. https://www.somfysystems.com/en-us/products/controls/tahoma/tahoma-by-somfy-app (manufacturer, checked 2026-10-20)