# Netatmo Smart Carbon Monoxide Alarm

*Netatmo*

> The Smart Carbon Monoxide Alarm has an 85 dB alarm and a 10-year battery. It sends smartphone alerts over Wi-Fi and works with Apple HomeKit. It suits HomeKit and Home Assistant users, with native support through the maker's cloud.

- Canonical page: https://smarthomecanon.com/devices/netatmo-smart-carbon-monoxide-alarm
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Netatmo](https://smarthomecanon.com/brands/netatmo) |
| Category | Smoke or gas detector |
| Status | Current[^1] |
| Kind | Carbon monoxide alarm[^1] |
| Connectivity | Wi-Fi 802.11 b/g/n (2.4 GHz); Bluetooth Low Energy[^1] |
| Power | Built-in battery, 10 years[^1] |
| Works with | HomeKit[^1] |
| Released | unknown |

## Integration paths

**How the Netatmo Smart Carbon Monoxide Alarm 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 Carbon Monoxide Alarm**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^1] |  |
| 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 smoke and CO alarms, sensors and lock](https://smarthomecanon.com/lines/netatmo-alarms-and-access) (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)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Netatmo: Smart Carbon Monoxide Alarm (product page and technical specifications). https://www.netatmo.com/en-eu/smart-carbon-monoxide-alarm (manufacturer, checked 2026-10-13)