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10 bestNest Carbon Monoxideof November 2025

112M consumers helped this year.

1

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert

9.9

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2

Google Nest Protect - Battery

Google Nest Protect - Battery

Google Nest Protect - Battery

Google

9.8

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3

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Kidde

9.5

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4

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units

Kidde

9.2

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5% off

5

WYZE Cam v3 Limited Edition: Black, 1-Pack

WYZE Cam v3 Limited Edition: Black, 1-Pack

WYZE Cam v3 Limited Edition: Black, 1-Pack

WYZE

9.0

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OtherRelated products

Sensorcon INDUSTRIAL PRO Carbon Monoxide Gas Monitor, Adjustable Alert Points, Visual, Audible and Vibrating Alerts, TWA feature

Sensorcon INDUSTRIAL PRO Carbon Monoxide Gas Monitor, Adjustable Alert Points, Visual, Audible and Vibrating Alerts, TWA feature

Nest Wifi Router

Nest Wifi Router

LSENLTY Portable Carbon Monoxide Detectors Support 500-hour Standby Time, 3-in-1 CO Detector (Temp, Humidity, and CO), Alarm Function, Lanyard Design for Camping Travel Car RV Vehicle Aircraft

LSENLTY Portable Carbon Monoxide Detectors Support 500-hour Standby Time, 3-in-1 CO Detector (Temp, Humidity, and CO), Alarm Function, Lanyard Design for Camping Travel Car RV Vehicle Aircraft

LSENLTY Portable Carbon Monoxide Detectors, IP65 Waterproof Carbon Monoxide Detectors with CO Notification Function, 96 Hours Standby Time, CO Detector for Travel, Car, Vehicle, Aircraft, Camping

LSENLTY Portable Carbon Monoxide Detectors, IP65 Waterproof Carbon Monoxide Detectors with CO Notification Function, 96 Hours Standby Time, CO Detector for Travel, Car, Vehicle, Aircraft, Camping

6

YESWELDER Flux Core Mig Wire, Mild Steel E71TGS.035-Diameter, 10-Pound Spool…

YESWELDER Flux Core Mig Wire, Mild Steel E71TGS.035-Diameter, 10-Pound Spool…

YESWELDER Flux Core Mig Wire, Mild Steel E71TGS.035-Diameter, 10-Pound Spool…

YESWELDER

8.7

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7

Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen) & Nest Protect Smoke & Carbon Monoxide Alarm, Battery (2nd gen)

Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen) & Nest Protect Smoke & Carbon Monoxide Alarm, Battery (2nd gen)

Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen) & Nest Protect Smoke & Carbon Monoxide Alarm, Battery (2nd gen)

8.4

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8

Google Nest Temperature Sensor (2nd Gen) - Room Comfort Sensor with Scheduling - Works with The Nest Learning Thermostat (3rd and 4th Gen) and Nest Thermostat E - Porcelain

Google Nest Temperature Sensor (2nd Gen) - Room Comfort Sensor with Scheduling - Works with The Nest Learning Thermostat (3rd and 4th Gen) and Nest Thermostat E - Porcelain

Google Nest Temperature Sensor (2nd Gen) - Room Comfort Sensor with Scheduling - Works with The Nest Learning Thermostat (3rd and 4th Gen) and Nest Thermostat E - Porcelain

Google

8.1

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9

Nest Learning Thermostat (3rd Generation) with Nest Temperature Sensor (T5000SF) (White)

Nest Learning Thermostat (3rd Generation) with Nest Temperature Sensor (T5000SF) (White)

Nest Learning Thermostat (3rd Generation) with Nest Temperature Sensor (T5000SF) (White)

Google

7.8

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10

First Alert CO615 Dual Power Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display (3 Pack)

First Alert CO615 Dual Power Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display (3 Pack)

First Alert CO615 Dual Power Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display (3 Pack)

First Alert

7.5

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