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10 Best gas and carbon monoxide detector combos of 2025
Save up to 51% off
Best Choice1
AOTIQUALNatural Gas and Carbon Monoxide Detector 100% Battery-Powered CO&CH4 with LED Display and Audible Visual Alerts Methane Leak Sensor for Home RV Kitchen Apartment Safety (Includes Batteries)
26% OffKey specs-
features:LED display, audible alerts
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batteries:3 AA batteries required
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power source:Battery Powered
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alarm:Audible
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humidity:10 -95
9.8Exceptional
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Value for Money2
AOTIQUALPlug-in Carbon Monoxide & Natural Gas Detector with Digital LCD, 24/7 Continuous Monitoring, Voice Alert, Flame Retardant | 40in Cord Wired Design Easy Plug-in Home Safety
Key specs-
features:Dual-Threat Protection, Voice Alerts
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batteries:No
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power source:Ac Power
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alarm:Digital Led Display With Sound Alert
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humidity:10-95 Rh
9.7Exceptional
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3
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
9.4Excellent
Our Rating
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4
IQYEFIQYEF 5-in-1 Carbon Monoxide Detectors,Natural Gas Leak Detector & Smoke and Carbon Monoxide detectors Plug-in, Battery Backup, HD Digital Display for CO, Smoke, Gas, Temp, Humidity - Home & RV Use
51% Off9.3Excellent
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5
First AlertFIRST ALERT Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CN
Key specs-
color:Gray/White
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power source:Corded Electric
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alarm:85 dB
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sensor:Electrochemical CO sensor
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dimensions:7.25 x 4.25 x 9.06 inches
9.1Excellent
Our Rating
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6
ARIKON3 Pack Combination Smoke Carbon Monoxide Alarm Detector Battery Operated, Portable Smoke and Co Alarm for Home Bedroom Travel，Easy to Install
31% OffKey specs-
alarm:Smoke and CO detector
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sensor:Photoelectric and Electrochemical
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batteries:N/A
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power source:N/A
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style:2-in-1 Precision
9.0Excellent
Our Rating
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7
X-SenseX-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model)
12% Off8.9Very Good
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8
X-SenseX-Sense Smoke Detector Carbon Monoxide Detector Combo, 10-Year Battery Smoke Detector with Display, Standalone Model SC01, Single Pack
Key specs-
alarm:Loud 85 dB
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sensor:Photoelectric, Electrochemical
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batteries:2 Lithium Metal
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power source:10-Year Sealed Battery
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style:N/A
8.6Very Good
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9
oumebiu4-in-1 Natural Gas Leak Detector & Carbon Monoxide Detectors - Carbon Monoxide Detectors Plug in - Natural, Propane, Co & Gas Detector, Temperature & Humidity Detectors for Home, RV (White)
Key specs-
color:White
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power source:AC
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alarm:Audible and Visual
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sensor:Catalytic
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dimensions:4.7D x 1.93W x 2.05H
8.5Good
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10
Kalawen4-in-1 Carbon Monoxide Detectors & Natural Gas Leak Detector Plug in, Combination CO Detector & Combustible Gas, LPG, Methane, Propane Alarm with Fahrenheit(°F) & Humidity for Home, Hotels, RV Travel
8.4Good
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