The Best Carbon Monoxide Alarms 2024

1. First Alert CO910V - Carbon monoxide sensor - white

First Alert CO910V - carbon monoxide sensor - white

Key Features and Benefits: Exclusive talking alarm tells you type and location of danger Electrochemical sensor Slim design Power LED and alarm indicator Mute/silence button End-of-life signal Versatile mount Peak-level memory

2. 10 Year CO Alarm w/ Digital Display

Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery

Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery

3. (3 pack) Kidde carbon monoxide alarm ac powered, plug-in with battery backup kn-cob-dp2. 3 Pack.

Save 4% by buying in a 3 pack! Wow!

Provides peace of mind against the silent killer Plugs directly into your homes standard wall outlet making installation quick and easy Battery backup provides continuous protection during power outages Tamper resistant - unit alerts you if it has been unplugged or has come loose from the outlet Loud 85db alerts you of deadly CO gas Test/reset button - tests the unit for proper operation Two LEDâs: red = alarm mode & green = normal operation Low battery hush silences low battery chirp warning up to 12 hours to maintain protection End of life alarm - alerts when unit needs to be replaced UL listed Requires (2) AA batteries (not included) 20VAC, 60HZ, 60mA max 4.5" X 2.75" X 1.5" The Kidde KN-COB-DP2 plug-in carbon monoxide alarm with battery backup provides you and your family with a warning signal to protect against dangerous levels of carbon monoxide in your home. The rotating AC blades allow for use in vertically or horizontally oriented outlets and the preinstalled backup batteries with pull tab make setup fast and easy. The green LED shows that AC power is present and the alarm is working

4. Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM

Keep your home safe by continuously monitoring for dangerous CO levels with the Kidde Battery-Operated Carbon Monoxide Alarm with Digital Display, KN-COPP-B-LPM. It has been carefully designed and tested to detect CO concentration levels as low as 11 and up to 999 PPM (parts per million). This Kidde Carbon Monoxide alarm features a digital memory display that allows for easy viewing and storing of the levels in your home. It also includes a slide-out battery door that gives immediate access to the batteries and a safety feature that makes it difficult to close the cover without them being installed. The test/reset button lets you test the unit’s electronic horn or reset it during an alarm. This battery-operated carbon dioxide alarm will continue to detect even during power outages. It is suitable for all living areas.

Kidde Battery-Operated Carbon Monoxide Alarm with Digital Display, KN-COPP-B-LPM: Continuously monitors your home for dangerous CO levels Detect CO concentration levels as low as 11 and up to 999 PPM Features a digital memory display for viewing and storing Kidde Carbon Monoxide alarm has a slide-out battery door with a safety feature Test/reset button lets you test and reset the unit Kidde Battery-Operated Carbon Monoxide Alarm with Digital Display is suitable for all living areas 10-year life and limited warranty Kidde Battery Operated Carbon Monoxide Alarm With Digital Display Kn-Copp-B-Lpm Kidde Battery-Operated Carbon Monoxide Alarm with Digital Display, KN-COPP-B-LPM: Continuously monitors your home for dangerous CO levels Detect CO concentration levels as low as 11 and up to 999 PPM Features a digital memory display for viewing and storing Kidde Carbon Monoxide alarm has a slide-out battery door with a safety feature Test/reset button lets you test and reset the unit Kidde Battery-Operated Carbon Monoxide Alarm with Digital Display is suitable for all living areas

5. Kidde 900-0076-01 AC Powered, Plug-In Carbon Monoxide Alarm

The Kidde KN-COPP-3 AC powered, plug-in carbon monoxide alarm utilizes sophisticated electronic components and unmatched sensor technology to protect you and your family from the dangers of CO. The KN-COPP-3 includes a 9V battery backup that provides continuous monitoring of CO levels, even during power outages, when AC-only units are not providing protection. The KN-COPP-3 will detect and store measured data of concentrated CO levels as low as 11 and up to 999 PPM with its peak level memory display. This alarm gives you several mounting options, including: direct-plug, a 6’ power cord or table top.

Digital Display – Shows the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds. Peak Level Button – Displays the peak CO level recorded by the alarm since it was last reset or unplugged. 9V Battery Backup – Provides protection during power outage. Test Button – Tests the unit for proper operation and resets the alarm LED Operation – Blinking dot in lower right corner of display denotes normal operation

6. (3 pack) Kidde AA Battery Operated Basic Carbon Monoxide Alarm. 3 Pack.

Save 4% by buying in a 3 pack! Wow!

2 AA battery backup Low Battery Hush Event memory Loud 85 decibel alarm Low battery signal

7. Universal Security Instruments CD-9000 9 Volt Carbon Monoxide Alarm

short description is not available

Universal Security Instruments CD-9000 9 Volt Carbon Monoxide Alarm

8. BulbAmerica Battery Operated Carbon Monoxide Detector with LCD

BulbAmerica Battery Operated Carbon Monoxide Detector with LCD. This CO Detector gives early warming of dangerous Carbon Monoxide with the most accurate CO sensor technology available. 2 Year Warranty BulbAmerica Battery Operated Carbon Monoxide Detector with LCD. This CO Detector gives early warming of dangerous Carbon Monoxide with the most accurate CO sensor technology available. Electrochemical Sensor Audible Alarm (85 dB) Visual Alarm (Red LED) LED Display (CO Concentration) Memory Function (Peak Level) LED Control Lights Test Reset Button Battery Powered Low Battery Warning

BulbAmerica Battery Operated Carbon Monoxide Detector with LCD. This CO Detector gives early warming of dangerous Carbon Monoxide with the most accurate CO sensor technology available. 2 Year Warranty BulbAmerica Battery Operated Carbon Monoxide Detector with LCD. This CO Detector gives early warming of dangerous Carbon Monoxide with the most accurate CO sensor technology available. Electrochemical Sensor Audible Alarm (85 dB) Visual Alarm (Red LED) LED Display (CO Concentration) Memory Function (Peak Level) LED Control Lights Test Reset Button Battery Powered Low Battery Warning

9. P3 P4250 Kill A Watt(r) Co2 Wireless

Now, you can monitor your power consumption remotely. Simply plug in the wireless sensor along with the item(s) you wish to check and it will transmit data to the central LCD, where you can see your cumulative electrical expenses and your carbon footprint.

P3 Kill A Watt CO2 Wireless: Includes P4255 Kill A Watt CO2 accessory sensor and P4225 display Allows user to calculate the carbon footprint of appliances Monitors power consumption remotely within a 300' wireless range Calculates carbon emissions and costs by the day, week, month and year Can be used with up to 8 sensors Displays 8 critical units of measurement

10. Home Safety And Alarm Kit

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Home Safety And Alarm Kit