My Carbon Monoxide Alarm with Indoor Air Quality Monitor does not show up in the list of devices. How can I fix that?

Reset your device. To do so, press the Test/Hush button on its face for about 8 seconds. You will hear 2 consecutive beeps. Upon release of ...

I notice that the temperature on my thermostat and the temperature displayed in the Kidde app is different. Why is that?

It is important when comparing readings between different devices that the comparison is truly under the same conditions. Placement of the d...

I notice that the indoor air quality readings displayed in the Kidde app are not matching with other indoor air quality monitors in my home. Why is that?

It is important when comparing readings between different devices that the comparison is truly under the same conditions. Placement of the d...

I am not receiving notifications through the Kidde app. What should I do?

There could be multiple reasons why you're not receiving mobile notifications.Ensure that your smartphone has a stable internet connectionEn...

My Indoor Air Quality (IAQ) readings haven’t changed over a long period, how do I tell if the device is still operating?

If IAQ readings are stagnant for a longer period, and/or you want to ensure that the IAQ sensor is working:Double check that the Kidde devic...

I don’t believe the Indoor Air Quality (IAQ) readings displayed in the app, is there a way to validate that the IAQ sensor is working?

If IAQ readings are stagnant for a longer period, and/or you want to ensure that the IAQ sensor is working:Double check that the Kidde devic...

I noticed that my Indoor Air Quality (IAQ) readings have changed without any change in the environment. Is that possible?

Any adjustment in the device's environment, even the smallest change, can have an impact on the IAQ measurements from the device. Opening of...

How is the Indoor Air Quality (IAQ) reading affected by things like cleaning, smoking, use of aerosol sprays, etc.?

Cleaning materials, fragrances, deodorizing plug-ins and sprays, and other common household items can be sources of TVOCs, or Total Volatile...

What is the Wi-Fi range for the alarm?

The range of your Wi-Fi network is determined by the performance of your router. Please check your router settings for a better understandin...

A handy troubleshooting chart from the User Guide

Consult the User Guide for more troubleshooting info.