Best Carbon Monoxide

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Best 1 Google Nest Protect (2nd Gen)
Google Nest Protect (2nd Gen)
From $129.99

The Google Nest Protect (wired) offers advanced fire and carbon monoxide detection with a sleek design. It utilizes both photoelectric and ionization sensors for comprehensive protection. Key features...

9.7 Brilliant
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2 Kidde Wireless Interconnected Smoke and Carbon Monoxide Alarm (Model KN-HTHF-IC)
Kidde Wireless Interconnected Smoke and Carbon Monoxide Alarm (Model KN-HTHF-IC)

The Kidde KN-HTHF-IC is a reliable and energy-efficient wireless interconnected smoke and carbon monoxide alarm. It utilizes a photoelectric sensor and offers a 10-year sealed battery, reducing mainte...

8.8 Very Good
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3 Kidde Wireless Interconnected Smoke & Carbon Monoxide Alarm (2026 Model)
Kidde Wireless Interconnected Smoke & Carbon Monoxide Alarm (2026 Model)
From $49.99-$69.99 per unit

Kidde's 2026 model offers a robust and reliable solution for smoke and carbon monoxide detection, focusing on core functionality and affordability. It utilizes an ionization sensor for fast detection...

8.8 Very Good
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4 Resideo (Honeywell) 1200 Series
Resideo (Honeywell) 1200 Series

The Resideo 1200 Series smoke and carbon monoxide alarms offer a balance of features and affordability. They are interconnected, allowing for synchronized alerts throughout the home. The alarms featur...

8.5 Very Good
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5 X-Sense Smoke and Carbon Monoxide Alarm
X-Sense Smoke and Carbon Monoxide Alarm

The X-Sense Smoke and Carbon Monoxide Alarm offers a balance of features and affordability for small apartments. It provides both smoke and carbon monoxide detection with a clear voice alert to identi...

8.5 Very Good
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6 FireAngel COB-2D
FireAngel COB-2D

The FireAngel COB-2D is a combined smoke and carbon monoxide alarm with a 10-year sealed lithium battery. It uses a photoelectric sensor for smoke detection and provides clear voice alerts. This model...

8.1 Very Good
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7 FireAngel CO-F-B400
FireAngel CO-F-B400

The FireAngel CO-F-B400 is a carbon monoxide alarm designed to meet European safety standards. It features a clear voice alert to identify the danger and a hush button to temporarily silence false ala...

8.1 Very Good
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8 Leapp Smart Smoke and Carbon Monoxide Detector
Leapp Smart Smoke and Carbon Monoxide Detector

The Leapp Smart Smoke and Carbon Monoxide Detector offers a unique approach to home safety with its focus on data-driven insights. It provides real-time air quality data and alerts through a mobile ap...

8.1 Very Good
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9 Smoke Guard AD200S
Smoke Guard AD200S

The Smoke Guard AD200S is a standard smoke alarm with a photoelectric sensor and voice alerts. It features a hush button to silence false alarms and a test button to verify functionality. While not a...

8.0 Very Good
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10 Smoke Guard SC910S
Smoke Guard SC910S

The Smoke Guard SC910S is a combination smoke and carbon monoxide alarm designed for apartments and homes. It features a voice alert to identify the type of danger and a test button to verify function...

8.0 Very Good
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11 FireAngel CO120
FireAngel CO120

The FireAngel CO120 is specifically designed for carbon monoxide detection and features a voice alert system to clearly announce the danger. It includes a hush button for temporary silencing and a dig...

8.0 Very Good
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12 Blink Smoke and Carbon Monoxide Detector
Blink Smoke and Carbon Monoxide Detector

The Blink Smoke and Carbon Monoxide Detector integrates with the Blink home security system, providing alerts and control through the Blink app. It features voice alerts and interconnected capabilitie...

7.9 Good
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13 FireAngel CO-F-ALARM-S
FireAngel CO-F-ALARM-S

The FireAngel CO-F-ALARM-S is a reliable and easy-to-use smoke and carbon monoxide alarm. It features voice alerts to clearly identify the type of danger and is interconnected for synchronized alerts....

7.9 Good
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14 Bryant Smoke and Carbon Monoxide Detector
Bryant Smoke and Carbon Monoxide Detector

Bryant detectors offer a voice alert system that clearly announces the type of danger detected, reducing confusion during emergencies. They utilize a photoelectric sensor to minimize false alarms and...

7.9 Good
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15 Samsung SmartThings Smoke and CO Detector
Samsung SmartThings Smoke and CO Detector

The Samsung SmartThings Smoke and CO Detector seamlessly integrates with the SmartThings ecosystem, providing alerts and control through the SmartThings app. It features voice alerts and interconnecte...

7.8 Good
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16 FireAngel CO-F-AL-AD
FireAngel CO-F-AL-AD

The FireAngel CO-F-AL-AD is a combined smoke and carbon monoxide alarm with Wi-Fi connectivity. It uses photoelectric sensors and connects to an app for remote monitoring and alerts. It provides clear...

7.8 Good
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17 Ecowatch SWON-MC120
Ecowatch SWON-MC120

The Ecowatch SWON-MC120 is a smart smoke and carbon monoxide detector that offers a combination of safety and convenience. It features voice alerts, app notifications, and interconnected capabilities....

7.7 Good
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18 Kidde KN-HTCO2
Kidde KN-HTCO2

The Kidde KN-HTCO2 is a combination smoke and carbon monoxide alarm offering dual protection for apartments. It features a voice alert to identify the danger and a test button to ensure proper operati...

7.6 Good
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19 Abode Smart Smoke Detector
Abode Smart Smoke Detector

The Abode Smart Smoke Detector integrates seamlessly with the Abode security system, providing a comprehensive home safety solution. It utilizes a photoelectric sensor for detecting slow-burning fires...

7.5 Good
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20 GE Smoke and Carbon Monoxide Detector
GE Smoke and Carbon Monoxide Detector

The GE Smoke and Carbon Monoxide Detector offers combined protection for apartments. It features a voice alert to identify the danger and a test button for verification. Battery-powered for easy insta...

7.4 Good
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21 Google Nest Smoke + CO Alarm (Battery)
Google Nest Smoke + CO Alarm (Battery)

The Google Nest Smoke + CO Alarm (Battery) is a battery-powered version of the Nest Protect, offering flexibility in placement. It uses photoelectric sensors for detecting slow, smoldering fires and p...

7.1 Good
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22 Nest Protect (Original Model - Discontinued)
Nest Protect (Original Model - Discontinued)

Nest Protect utilizes advanced photoelectric and carbon monoxide sensors with a focus on minimizing false alarms. Its 'Wave' alarm pattern starts subtly and escalates, avoiding the immediate shock of...

6.7 Fair
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23 GE Smart Smoke and Carbon Monoxide Detector
GE Smart Smoke and Carbon Monoxide Detector

The GE Smart Smoke and Carbon Monoxide Detector integrates with the GE Appliances app, providing alerts and control. It features voice alerts and interconnected capabilities. The device utilizes photo...

6.3 Fair
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24 Honeywell Home R500A
Honeywell Home R500A

The Honeywell Home R500A is a reliable and affordable interconnected smoke and carbon monoxide alarm. It features voice alerts and utilizes photoelectric smoke sensors and electrochemical CO sensors....

6.3 Fair
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25 SensorSafe Smoke and Carbon Monoxide Detector
SensorSafe Smoke and Carbon Monoxide Detector

The SensorSafe Smoke and Carbon Monoxide Detector offers a combination of safety and convenience with its focus on data-driven insights. It provides real-time air quality data and alerts through a mob...

6.2 Fair
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26 Apollo XW-501
Apollo XW-501

The Apollo XW-501 is a standard smoke and carbon monoxide detector offering basic protection. It features voice alerts and utilizes photoelectric smoke sensors and electrochemical CO sensors. Its a bu...

5.0 Average
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