10 Best garrison carbon monoxide detector in Canada

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Last Updated - 2026/01/16

Best Choice

01
Gedsffati

5-in-1 Plug in Carbon Monoxide Detector & Smoke & Natural Gas Combination Detectors with Backup Battery Temp Humidity 85dB CO Alarm for Home Hotel RV White

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Main highlights

【Visilble & Audible】 The detecting datas real times and dynamically show on the HD screen, we can read the data faster from the big icons like: CO ppm, Smoke indicating bar, Combustible gas warning icon, humidity, temperature, CO indicator icon, plug and alarm status.The detector will emit a 85dB beep alarm sound when the hazardous gase and smoke concentration exceeds the alarm value.
【Plug in & Play design】Compatible with 110V to 220V AC CA standard outlet. Just Plug in and the CO & smoke & gas combination detector will real-time work all day.Easily enhance safety in bedroom, kitchen, living-room, basement, hotel room, garage, Tool room etc.
【Built-in 1000 mAh Blackup battery】Provides 9-10h battery power working time, helps to cope with any sudden power outages. And rechargable lithium battery design helps you save a lot of battery replacement costs.
【5in1 CO & Smoke &Natural gas detectors】Our Gedsffati All-in-1 combination detectors Integrated carbon monoxide, smoke, Combustible gas( as natural gas, propane, methane, natural gas, coal gas, gasoline, Hexane, butane, benzene, ethyene oxide, acetylene, LPG, LNG, etc), temperature and humidity sensors, real time to detector and enhance the home environment gas safety for us.
【 Tested Approved】 Built-in tested approved Smoke / CO / Combustible gas sensor, bring you extra safety for you and family.
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9.9

Exceptional

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Value for Money

02
First Alert

First Alert Battery Operated Carbon Monoxide Alarm with Digital Display

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9.1 worth the money

9.1 Easy installation

9.1 Simple to use
Main highlights

Lets you know when its time to replace
Easy to read digital display
Easy intstallation
Detects the presence of carbon monoxide
Battery operated
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9.8

Exceptional

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03
First Alert

First Alert CO605A Carbon Monoxide Plug-In Alarm with Battery Backup

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9.9 Easy installation

9.7 Simple to use

9.7 clearly written
Main highlights

Plug & protect, alarm plugs into any standard 120v ac outlet with no additional mounting
Mute button silences unnecessary alarms. It also tests the alarm's function with same button
Ez access battery door, front-open compartment allows easy battery change without dismounting alarm
Electrochemical co sensorthe first alert carbon monoxide plug-in alarm
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9.6

Exceptional

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04
First Alert

First Alert CO400A Battery Powered Carbon Monoxide Alarm

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9.7 Easy installation

9.7 Simple to use

9.3 worth the money
Main highlights

SAME AS CO400A ASIN: B004Y75ZS2
Mute button, mutes unnecessary alarms. Also tests alarm function with same button
Low battery Signal mute, quiets low battery Signal for up to 8 hours
End of life timer, alarm chirps when it is time to replace it
Electrochemical sensor, most accurate technology available for detecting carbon monoxide* *compared to other common sensing technologies
Care: Vacuum the CO Alarm cover once a month, using the soft brush attachment. Never use water, cleaners, or solvents, since these may damage the unit. Test the CO Alarm again after vacuuming.
Battery operated, 9V battery included
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9.5

Excellent

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05
Kidde

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

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9.9 Easy installation

9.9 Simple to use

9.5 worth the money
Main highlights

Test / Reset Button – Tests the unit for proper operation. Resets the carbon monoxide alarm.
Tamper Resist Feature – If activated, unit goes into constant alarm mode if it has been unplugged or has come loose from the outlet.
Low Battery Hush – Silences low battery chirp warning for up to twelve hours in order to maintain protection without having to replace the batteries at an inconvenient time. 2 AA Battery Backup – Provides continuous protection in case of a power failure.
End of Life Notification – Ten (10) years after unit is first powered, this alarm will chirp two times every 30 seconds to indicate it is time to replace the alarm.
AC Plug-in Operated – Easy to install – just plug into a non-switched AC wall outlet.
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9.4

Excellent

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06
First Alert

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

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9.9 Easy installation

9.7 Simple to use

9.7 clearly written
Main highlights

Plug & Protect, alarm plugs into any standard 120V AC outlet with no additional mounting. Line cord allows for multiple installation options
Mute button silences unnecessary alarms. It also tests alarm function with same button
Ez view backlit digital display, easy viewing of danger levels, current, and peak CO levels in your home. Illuminates only when alarm sounds or a button is pressed
Ez access battery door, front-open compartment allows easy battery change without dismounting alarm
Battery backup, provides consistent protection for added safety during power outages
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9.3

Excellent

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07
Kidde

Kidde Battery-Operated Carbon Monoxide Alarm with Digital Dis
Main highlights

Peak-level memory displays the highest CO concentration measured since the last reset
Meets the requirements of Underwriters Laboratories (UL)
Large digital display is easy to read, even in low-light conditions
Battery operated with three AA batteries included
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9.2

Excellent

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08
Kidde

Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated

9.9 Easy installation

9.9 Simple to use

9.9 worth the money
Main highlights

Test-reset button tests the unit for proper operation and resets the carbon monoxide alarm
Seven-year end-of-life warning alerts user to replace CO alarm
Meets the requirements of Underwriters Laboratories (UL)
Forty percent longer life than other CO alarms
Battery operated (three AAs included) to provide protection during power outages
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8.9

Very Good

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09
Ledronco

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs

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9.5 Simple to use

9.3 Easy installation

8.9 worth the money
Main highlights

4：Power Supply: (DC3V) 2AA size batteries.(Not included) Sensor Type：Electrochemical Gas Detection Type：Carbon Monoxide Material: ABS
3： High Quality CO Alarm, UL2034 Certified Carbon Monoxide detector equipped with high accuracy and reliable long-life electrochemical CO sensor to detect CO gas leak quickly
2： Alarm Standard: the alert time depend the level of carbon monoxide concentration. 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes.
1：Light and Sound Alarm Warning: When a dangerous level of carbon monoxide is detected the red LED will flash and the alarm pattern will sound 85-decibel alarm to protect your family's life and property safety from CO detector.
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8.7

Very Good

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10
FLUNGSKY

3-in-1 Carbon Monoxide Detector, Carbon Monoxide Detector Plug in Wall with Temperature & Humidity Display, CO Alarm Monitor with Color LCD Display, Accurate & Easy to Install
Main highlights

Worry-Free After Service - We are willing to provide you with unconditional returns and exchanges within 90 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.
Widely Used - This CO detector alarm can be used in Kitchens, Bathrooms, RVs, Parking lots, Ironworks, Chemical Plants, etc.
Professional Temperature and Humidity Sensor - This Air quality monitor use professional temperature and humidity sensor, Allows you to see at a glance, Clear the condition of the surrounding environment.
Easy to Install - Plug and play, saving installation time. whether you are at home or traveling, it can be hung anywhere with a power supply.
Accuracy & Durability - This Plug in carbon monoxide detector use Imported Electrochemical Sensor, high reliability, more responsive, when the CO gas concentration reaches the alarm level(>150ppm), the Voice and Light alarm will work.
3 In 1 CO Detector - Our carbon monoxide detector equipped with 3 major air indicators of Carbon Monoxide, Temperature, and Humidity to protect your family.
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8.6

Very Good

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