# Netatmo Smart Modulating Thermostat

*Netatmo*

> The Smart Modulating Thermostat controls OpenTherm modulating boilers through its relay. The relay connects over Wi-Fi, and Siri voice commands set the temperature. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through the maker's cloud.

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

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Netatmo](https://smarthomecanon.com/brands/netatmo) |
| Category | Thermostat |
| Status | Current[^1] |
| Kind | Thermostat (OpenTherm)[^1] |
| Connectivity | Wi-Fi 802.11 b/g/n (2.4 GHz) to the relay; 868 MHz radio thermostat to relay[^1] |
| Power | 3 AAA batteries (2 years); relay on mains[^1] |
| Works with | HomeKit (Siri), Alexa, Google Home[^1][^2] |
| Released | unknown |

## Integration paths

**How the Netatmo Smart Modulating Thermostat connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Netatmo app, Internet connection[^1] | unknown | unknown |

**Platform support for the Netatmo Smart Modulating Thermostat**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^1] |  |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | homekit_controller |
| Wi-Fi cloud | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.netatmo |

## Related pages

- [Netatmo thermostats, radiator valves and AC controller](https://smarthomecanon.com/lines/netatmo-thermostats-and-valves) (line)
- [Netatmo](https://smarthomecanon.com/brands/netatmo) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (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]: Netatmo: Smart Modulating Thermostat (product page and technical specifications). https://www.netatmo.com/en-eu/smart-modulating-thermostat (manufacturer, checked 2026-10-13)
[^2]: Netatmo: Smart Thermostat page (heating comparison table, Smart home integrations row). https://www.netatmo.com/en-eu/smart-thermostat (manufacturer, checked 2026-10-20)