7 Premium Smart Carbon Monoxide Alarms with WiFi Monitoring

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Best Value

Google Nest

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

-13%

9.7Smart Features

9.7Safety Reliability

9.5Easy Installation

Why we love it

Split-spectrum sensor detects both fast and slow-burning fires with dual-wavelength technology

Voice alerts and mobile notifications provide real-time safety updates anywhere

10-year sensor lifespan with self-testing capabilities and nightly battery checks

Main highlights

Key Features

Advanced detection system combines voice alerts, mobile connectivity, and split-spectrum sensing for comprehensive home safety monitoring.

Ideal for Smart Home Security

Perfect for families seeking automated home protection with remote monitoring and intelligent alerts for smoke and CO detection.

Praised for Intelligent Alerts

Users appreciate the friendly voice alerts, phone notifications, and ability to silence false alarms through the app.

9.7

Exceptional

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Best for Cashback

Kidde

Kidde Smart Smoke & Carbon Monoxide Detector & Indoor Air Quality Monitor, WiFi, Alexa Compatible Device, Hardwired w/Battery Backup, Voice & App Alerts

Main highlights

3-in-1 smoke & carbon monoxide detector with indoor air quality monitor: alerts for both smoke & carbon monoxide gas while also monitoring the indoor air quality of your home
Indoor Air Quality Monitoring: monitors harmful chemicals known as Total Volatile Organic Compounds (TVOCs) that come from cleaning products & paint, also monitors humidity
Voice Alarm announces the hazard type when detected: “Fire!” = smoke or fire, "Warning! Carbon Monoxide!" = CO, or "Replace Alarm" when the unit has come to its end of life span
Compatible with Amazon Alexa, Google Home, iPhone, & Android smart devices
WiFi enabled technology allows notifications to be sent to your smartphone (as well as friends & family) in the event of a smoke, CO, or air quality hazard in your home
85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event
Photoelectric sensor technology detects visible fire particles associated with smoldering fires
UL Listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.

9.4

Excellent

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Kidde

Kidde Smart Smoke & Carbon Monoxide Detector, WiFi, Alexa Compatible Device, Hardwired w/Battery Backup, Voice & App Alerts

-8%

Main highlights

Voice Alarm announces the hazard type when detected: “Fire!” = smoke or fire, "Warning! Carbon Monoxide!" = CO, or "Replace Alarm" when the unit has come to its end of life span
Easy Installation: download the Kidde app & scan the QR code on the back of the smoke alarm
Compatible with Amazon Alexa, Google Home, iPhone, & Android smart devices
85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event
WiFi enabled technology allows notifications to be sent to your smartphone (as well as friends & family) in the event of a smoke or CO hazard in your home
Photoelectric sensor technology detects visible fire particles associated with smoldering fires
Test-Hush Button easily tests the working operation of the smoke alarm & silences false alarms; the Kidde app can also be used to test the smoke & CO combo alarm
UL Listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.