Co Meter(143)
Kidde COBD Battery Powered Carbon Monoxide Alarm From $31.97

Kidde COBD Battery Powered Carbon Monoxide Alarm
Kidde COB AA Battery-Powered, Electrochemical Carbon Monoxide Alarm $25.47

Kidde COB AA Battery-Powered, Electrochemical Carbon Monoxide Alarm
Best seller, LUXY SONIC 4-in-1 Carbon-Monoxide(C O)Alarm, Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 pack) From $35.97

LUXY SONIC 4-in-1 Carbon-Monoxide(C O)Alarm, Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 pack)
TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel $56.99 Was $69.99

TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel
Black Friday Deal, Portable Air Quality Monitor – CO Level, Temperature & Humidity Display, Rechargeable Device for Travel, Car & Indoor Use From $23.83
Portable Air Quality Monitor – CO Level, Temperature & Humidity Display, Rechargeable Device for Travel, Car & Indoor Use
Rely Portable Carbon Monoxide Detector for Travel, Digital LCD Display, AA Battery Operated From $26.37

Rely Portable Carbon Monoxide Detector for Travel, Digital LCD Display, AA Battery Operated
M Buder Portable Air Quality Detector CO2 TVOC HCHO Humidity Temperature 5 in 1 Multifunctional Indoor Air Quality Tester Meter, LCD Display, Carbon Dioxide Monitor for Home Office, Black From $15.56
M Buder Portable Air Quality Detector CO2 TVOC HCHO Humidity Temperature 5 in 1 Multifunctional Indoor Air Quality Tester Meter, LCD Display, Carbon Dioxide Monitor for Home Office, Black
TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel $56.99 Was $69.99

TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel
Carbon Monoxide Meter CO Detector CO Gas Leak Detector Gas Analyzer Carbon Monoxide Detectors $26.99

Carbon Monoxide Meter CO Detector CO Gas Leak Detector Gas Analyzer Carbon Monoxide Detectors
LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack) From $35.97

LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack)
X-Sense Wireless Smoke and Carbon Monoxide Alarm, 10-Year Sealed Battery, Connects Up to 24 Link+ Alarms, Interconnected Model, 6-Pack From $36.00

X-Sense Wireless Smoke and Carbon Monoxide Alarm, 10-Year Sealed Battery, Connects Up to 24 Link+ Alarms, Interconnected Model, 6-Pack
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel $41.39 Was $59.99

TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $39.99

Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester
In 100+ people's carts, LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector From $13.99
LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector
Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts $20.56

Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts
Best seller, LUXY SONIC 4-in-1 Carbon-Monoxide(C O)Alarm, Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 pack) From $35.97

LUXY SONIC 4-in-1 Carbon-Monoxide(C O)Alarm, Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 pack)
LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector $15.57

LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector
Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power From $41.97

Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power
Portable Carbon Monoxide Detector, 4-in-1 CO2 Temperature Humidity Monitor with Flashlight, Rechargeable Gas Analyzer for Travel Camping RV Home Car From $30.09
Portable Carbon Monoxide Detector, 4-in-1 CO2 Temperature Humidity Monitor with Flashlight, Rechargeable Gas Analyzer for Travel Camping RV Home Car
Thalyn Temperature Humidity Monitor Air Quality Monitor Indoor Outdoor Air Analyzer CO2 HCHO TVOC CO Detector with Noise Temperature Humidity Sensor LCD Color Screen for Home Office Car Classroom $16.68

Thalyn Temperature Humidity Monitor Air Quality Monitor Indoor Outdoor Air Analyzer CO2 HCHO TVOC CO Detector with Noise Temperature Humidity Sensor LCD Color Screen for Home Office Car Classroom
LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack) From $35.97

LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack)
In 100+ people's carts, Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts, Model 30CUDR-V From $49.96

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts, Model 30CUDR-V
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV From $37.98
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV
Sentivo CO Detector, 4-in-1 Gas Monitor with Digital Display, Audible Alert and Visual Status Indicator for Indoor Home Safety From $25.99
Sentivo CO Detector, 4-in-1 Gas Monitor with Digital Display, Audible Alert and Visual Status Indicator for Indoor Home Safety
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $40.99

Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester
6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel From $23.49
6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel
In 100+ people's carts, Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts, Model 30CUDR-V From $49.96

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts, Model 30CUDR-V
LCD Display CO Carbon Monoxide Detector, Portable Home Safety Gas Alarm Detector, CO Gas Monitor Alert Device for Indoor Household Office Safety Protection $14.89

LCD Display CO Carbon Monoxide Detector, Portable Home Safety Gas Alarm Detector, CO Gas Monitor Alert Device for Indoor Household Office Safety Protection
Clearance, Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety $16.99 Was $29.99

Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety
4-in-1 Indoor Air Quality Monitor – Plug-in CO & Gas Detector with HD Digital Display, Ideal for Home Kitchens, Hotel Rooms, RV Camping & Commercial Spaces From $16.88
4-in-1 Indoor Air Quality Monitor – Plug-in CO & Gas Detector with HD Digital Display, Ideal for Home Kitchens, Hotel Rooms, RV Camping & Commercial Spaces
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor for Travel $35.99

Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor for Travel
Kidde Model 30CUDR Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included From $49.97

Kidde Model 30CUDR Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included
Clearance, 6 in 1 Portable Air Quality Monitor with Large Screen Detects PM2.5 PM10 HCHO TVOC CO CO2 for Home Office Travel Was $19.10

6 in 1 Portable Air Quality Monitor with Large Screen Detects PM2.5 PM10 HCHO TVOC CO CO2 for Home Office Travel
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester $35.99

Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester
Air quality tester,Portable Carbon Air Quality Tester Display Co Test Meter Temperature And Meter Co Led Display Monoxide Tester Temperature Co Air Portablewifi Multicolor $39.71

Air quality tester,Portable Carbon Air Quality Tester Display Co Test Meter Temperature And Meter Co Led Display Monoxide Tester Temperature Co Air Portablewifi Multicolor
Thalyn Temperature Humidity Monitor Air Quality Monitor Indoor Outdoor Air Analyzer CO2 HCHO TVOC CO Detector with Noise Temperature Humidity Sensor LCD Color Screen for Home Office Car Classroom $16.81

Thalyn Temperature Humidity Monitor Air Quality Monitor Indoor Outdoor Air Analyzer CO2 HCHO TVOC CO Detector with Noise Temperature Humidity Sensor LCD Color Screen for Home Office Car Classroom
Multifunctional Air Quality Detector PM2.5 CO CO2 Temperature Humidity Air Quality Monitor From $27.25
Multifunctional Air Quality Detector PM2.5 CO CO2 Temperature Humidity Air Quality Monitor
BPPEG Portable Carbon Monoxide Detector Handheld CO Alarm with Electrochemical Sensor, 85dB Audible Alert and LCD Display, Battery Operated Safety Device for Home, Travel, Camping and RV Use $11.83

BPPEG Portable Carbon Monoxide Detector Handheld CO Alarm with Electrochemical Sensor, 85dB Audible Alert and LCD Display, Battery Operated Safety Device for Home, Travel, Camping and RV Use
Ivory Home Sense CO Detector, 6-in-1 Portable Gas Monitor, Plug-in & Battery Powered, 2.8" Rotatable Full-Color Digital Display, Magnetic Base, for Home, RV, Camping & Car Travel From $39.98
Ivory Home Sense CO Detector, 6-in-1 Portable Gas Monitor, Plug-in & Battery Powered, 2.8" Rotatable Full-Color Digital Display, Magnetic Base, for Home, RV, Camping & Car Travel
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel $41.39 Was $59.99

TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel
Merano 6-in-1 Smoke,Gas & CO Detector,Digital Indoor Climate Meter, Home Temperature and Humidity Reader with Easy-to-Read Screen, Compact Room Environment Monitoring for Living Rooms, Offices

Merano 6-in-1 Smoke,Gas & CO Detector,Digital Indoor Climate Meter, Home Temperature and Humidity Reader with Easy-to-Read Screen, Compact Room Environment Monitoring for Living Rooms, Offices
Dewlora 4-in-1 Co Detector, Dewlora Co Detector, 3-in-1 Gas Monitoring with a Visual Status Display, Ergonomic Design with Built-In Physical Audio Alert Component, Suitable for Indoor Use From $17.56
Dewlora 4-in-1 Co Detector, Dewlora Co Detector, 3-in-1 Gas Monitoring with a Visual Status Display, Ergonomic Design with Built-In Physical Audio Alert Component, Suitable for Indoor Use
Carbon One Safe 4 in 1 Detector, Multi-metric Indoor Monitor with High-Contrast Display, 85 Db Sound & Visual Alerts, Up to 8-Hour Backup, Plug-In or Magnetic Mount, One-Touch Test for Rvs & Home From $36.87
Carbon One Safe 4 in 1 Detector, Multi-metric Indoor Monitor with High-Contrast Display, 85 Db Sound & Visual Alerts, Up to 8-Hour Backup, Plug-In or Magnetic Mount, One-Touch Test for Rvs & Home
Sentivo Co Detector, Plug-in Indoor Air Quality Detector with HD Display for Home Office School Garage From $48.90
Sentivo Co Detector, Plug-in Indoor Air Quality Detector with HD Display for Home Office School Garage
Anxinwu Smoke Gas CO Detector Monitor - 5 in 1 Rechargeable Sensor with Temperature Humidity Display and Audible Alarm for Indoor Residential Safety $22.79 Was $26.99

Anxinwu Smoke Gas CO Detector Monitor - 5 in 1 Rechargeable Sensor with Temperature Humidity Display and Audible Alarm for Indoor Residential Safety
First Alert GCO1CN Combination Gas and Carbon Monoxide Alarm with Digital Display $50.45 $59.35/ea

First Alert GCO1CN Combination Gas and Carbon Monoxide Alarm with Digital Display
4-in-1 Gas Detector, Portable Rechargeable Multi-Gas Monitor Meter Tester with LCD Display & Vibration Alarm for CO/O2/H2S/EX, IP65 Dust & Water Resistant $129.99

4-in-1 Gas Detector, Portable Rechargeable Multi-Gas Monitor Meter Tester with LCD Display & Vibration Alarm for CO/O2/H2S/EX, IP65 Dust & Water Resistant
Merano 6-in-1 Smoke, Gas & CO Detector, Indoor Air Quality Monitor with Digital Display, Temperature & Humidity Readings for Home, Apartment & RV From $28.89
Merano 6-in-1 Smoke, Gas & CO Detector, Indoor Air Quality Monitor with Digital Display, Temperature & Humidity Readings for Home, Apartment & RV
2026 NEW Steadfast Haven CO Detector, 4-in-1 Indoor Status Display, HD Screen, Plug-In Environment Information Device for Home, RV and Hotel From $35.98
2026 NEW Steadfast Haven CO Detector, 4-in-1 Indoor Status Display, HD Screen, Plug-In Environment Information Device for Home, RV and Hotel
BPPEG Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Carbon Monoxide Tester portable carbon monoxide detector $39.94

BPPEG Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Carbon Monoxide Tester portable carbon monoxide detector
Other options to consider(25)
FAQ
How do I know if I need a CO meter at home?
Having a carbon monoxide (CO) meter is a smart choice for most homes, especially if you use gas appliances, fireplaces, or have an attached garage. CO is a colorless, odorless gas that can build up indoors without warning. Consider a CO meter if:
- You use gas stoves, heaters, or water heaters.
- Your home has a fireplace or wood-burning stove.
- There's an attached garage where cars are parked.
Even if you don't have these, a CO meter adds an extra layer of safety and peace of mind for your household.
Where should I place my carbon monoxide detector?
Proper placement helps your carbon monoxide detector work effectively. Here are some tips:
- Install detectors on every level of your home, especially near sleeping areas.
- Place them at least 5 feet above the floor, since CO is slightly lighter than air.
- Avoid putting detectors right next to fuel-burning appliances or in bathrooms, as steam and fumes can cause false alarms.
- If you have an attached garage, place a detector nearby to catch any CO that might enter your home.
Always follow the manufacturer's instructions for best results.
How do I test if my CO meter is working?
Testing your CO meter regularly helps ensure it's ready when you need it. To test:
- Press the "test" button on the device. You should hear a loud alarm if it's working.
- Check the display (if available) for any error messages or low battery warnings.
- Replace batteries as recommended, or check the power source for plug-in models.
It's a good idea to test your detector once a month. If the alarm doesn't sound or you notice any issues, consult the user manual or consider replacing the unit.
Can I use a CO meter while traveling or camping?
Yes, portable carbon monoxide meters are designed for travel and camping. They can help detect CO in:
- RVs and campers
- Tents with heaters
- Hotel rooms with gas appliances
Look for compact, battery-powered models that are easy to pack. Always follow the manufacturer's safety guidelines, and remember that a CO meter adds an extra layer of protection when you're away from home.
What maintenance does a carbon monoxide detector need?
Regular maintenance keeps your carbon monoxide detector reliable. Here’s what you can do:
- Test the alarm monthly using the test button.
- Replace batteries as recommended, or check the power source for sealed or plug-in models.
- Gently clean the unit with a dry cloth to remove dust.
- Check the expiration date—most detectors need replacing every 5 to 10 years.
Following these steps can help your detector stay in good working order and provide ongoing peace of mind.
Popular in CO Meter Carbon Monoxide Detectors for Home Safety
Related Products
Carbon Monoxide Meter CO Detector CO Gas Leak Detector Gas Analyzer Carbon Monoxide Detectors
Carbon Monoxide Meter CO Detector CO Gas Leak Detector Gas Analyzer Carbon Monoxide Detectors$26.99current price $26.99TOPTES PT520A Gas Detector, Natural Gas Leak Detector for Propane, Methane, Butane and LPG, Handheld Combustible Gas Detector with 17 Inch Flexible Gooseneck, Audible and Visual Alarm
TOPTES PT520A Gas Detector, Natural Gas Leak Detector for Propane, Methane, Butane and LPG, Handheld Combustible Gas Detector with 17 Inch Flexible Gooseneck, Audible and Visual Alarm$39.99current price $39.99Natural Gas Detector Battery operated- Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light, 10-Second Response Methane Gas Monitor for Home RV Battery Include
Natural Gas Detector Battery operated- Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light, 10-Second Response Methane Gas Monitor for Home RV Battery Include$35.99current price $35.99Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White
Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White$73.57current price $73.57TOPTES Handheld Natural Gas Leak Detector PT760 Rechargeable Sniffer with 12-Inch Probe for Methane Propane Butane LPG
TOPTES Handheld Natural Gas Leak Detector PT760 Rechargeable Sniffer with 12-Inch Probe for Methane Propane Butane LPG$34.99current price $34.99Ecosense RadonEye RD200 Home Radon Detector, Fast and Accurate Detection of Fluctuating Radon Levels with Continuous Monitoring and Trend Charts
Ecosense RadonEye RD200 Home Radon Detector, Fast and Accurate Detection of Fluctuating Radon Levels with Continuous Monitoring and Trend Charts$152.10current price $152.10Airthings Wave Mini - Indoor Air Quality Monitor with Mold-Risk Indication
Airthings Wave Mini - Indoor Air Quality Monitor with Mold-Risk Indication$89.99current price $89.99Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety
Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety$16.99current price $16.99Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester$39.99current price $39.99GJX Portable Handheld CO2 Detector, 3-in-1 Indoor Air Quality Monitor with Temperature and Humidity Sensor, Rechargeable for Home, RV, Car
GJX Portable Handheld CO2 Detector, 3-in-1 Indoor Air Quality Monitor with Temperature and Humidity Sensor, Rechargeable for Home, RV, Car$19.81current price $19.81GasKnight PRO Natural Gas & Propane Leak Detector - Propane Detector Battery Operated - Portable Detection Combustible Gas Sniffer for LP, Methane Leak Detectors for Home and RV
GasKnight PRO Natural Gas & Propane Leak Detector - Propane Detector Battery Operated - Portable Detection Combustible Gas Sniffer for LP, Methane Leak Detectors for Home and RV$21.99current price $21.99X-Sense Wi-Fi Water Leak Detector, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Detectors & 1 Base Station, Model SWS54
X-Sense Wi-Fi Water Leak Detector, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Detectors & 1 Base Station, Model SWS54$49.99current price $49.99Ecosense EcoBlu EB100 Digital Radon Detector, Fast & Accurate, Short & Long-Term Monitoring, Full LED Screen, Easy to Use (White)
Ecosense EcoBlu EB100 Digital Radon Detector, Fast & Accurate, Short & Long-Term Monitoring, Full LED Screen, Easy to Use (White)$117.00current price $117.00Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6)
Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6)$28.99current price $28.99
















































