Netatmo Smart Carbon Monoxide Alarm

Be alerted when carbon monoxide is detected in your home, wherever you are

The Netatmo Smart Carbon Monoxide Alarm looks out for your safety day and night.

Electrochemical carbon monoxide sensor
Alarm volume: 85 dB

It measures, in real time, the levels of carbon monoxide, which is an invisible, odourless and potentially fatal gas. If your home has any fuel-burning appliances (boiler, fireplace, gas cooker, etc.), the Netatmo Carbon Monoxide Alarm will monitor the carbon monoxide particles emitted by these appliances.

IMPORTANT - Wi-fi connection is required to use all app and device connection control features of this product. This product cannot be returned once connected or installed.

Product Specifications
Attribute nameAttribute value
Product Size100 x 100 x 23 mm / 3.9 x 3.9 x 0.9 in
RequirementsHigh-speed wireless internet connection needed. Public hotspots not supported. Note: The Smart Carbon Monoxide Alarm will detect carbon monoxide and will sound even if the Wi-Fi isn't configured. However, you will need Wi-Fi to receive smartphone alerts.
Battery LifeBuilt-in 10-year battery* | *Life span for typical use. The battery’s life span may vary based on the use of the Smart Carbon Monoxide Alarm. For further information, please go to
Connectivity specificationsWi-Fi 802.11 b/g/n (2.4 GHz) | Ouvert/WEP/WPA/WPA2-Personal | Bluetooth Low Energy (BLE)
Browser SupportWebapp available for the two latest versions of: Chrome, Safari, Firefox, Internet Explorer. Note: the remote testing of the alarm feature is not available on the Webapp.
Free AppiOS: To control this HomeKit-enabled accessory, the latest version of iOS or iPadOS is recommended. Android: A recent version of Android with access to Google Play is recommended. PC & Mac: through the Webapp.
Pack Contents1 Smart Carbon Monoxide Alarm, 1 wall mount, 2 screws and 2 anchors 1 user guide.
Instruction Video

The Carbon Monoxide Alarm that alerts you wherever you are

If the Netatmo Smart Carbon Monoxide Alarm detects carbon monoxide in your home, it sets off its 85-decibel alarm and notifies you immediately on your smartphone. Essential for alerting your family and the emergency services when you're not at home!

A decade of serenity thanks to a 10-year battery*

The Netatmo Smart Carbon Monoxide Alarm is equipped with a 10-year* battery - the maximum lifetime for all carbon monoxide detectors. You’ll never have to change the batteries!

The Carbon Monoxide Alarm that tests itself

The Self-Test feature checks if the Smart Carbon Monoxide Alarm is functioning correctly. If it detects a problem, it sends a notification to your smartphone.

Fast installation

Install the Smart Carbon Monoxide Alarm in minutes simply by screwing it to the wall. Place it in any room with a fuel-burning appliance. Once fitted, download the Home + Security app.

Where do I install the Smart Carbon Monoxide Alarm?

For your safety, it is recommended to install one Smart Carbon Monoxide Alarm on every floor, in every room with a fuel-burning appliance (boiler, fireplace, wood-burning stove, gas cooker) and in every room with a heating duct.

For optimal protection, you can install an extra Smart Carbon Monoxide Alarm in the most used living rooms and in every bedroom.

Enjoy the benefits of voice control and scenarios with other connected objects

Simply say: "Is there carbon monoxide in my home?"

If you have a Netatmo Smart Thermostat for your gas, oil or wood boiler, get a Netatmo Smart Carbon Monoxide Alarm. Since it's compatible with Apple HomeKit, you can create a scene so that your Netatmo Thermostat turns off the boiler as soon as the product detects carbon monoxide.

Discover the Netatmo Smart Thermostat here.