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Co2 Monitor Comparison - June 2025

7 Best Co2 Monitor In Canada

1
Best Choice
9.7Exceptional
2
9.6Exceptional
3
9.5Excellent
4
9.4Excellent
5
9.2Excellent
6
9.0Excellent
7
8.9Very Good
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Model

SAF Aranet4 Home: Wireless Indoor Air Quality Meter for Home, Office or School (CO2, Temperature, Humidity and More) Portable, Battery Powered, E-Ink Screen, App for Configuration & Data History
Model
Newentor CO2 Detector Indoor Air Quality Meters, CO2 Monitor Portable for Home, Carbon Dioxide Detectors Sensor with Temperature Humidity, Thermometer Clock Voice Alert Large Display, Black
Model
Temtop CO2 Monitor with App Indoor Air Quality Monitor Portable CO2 Detector CO2, Temperature, Humidity for Home, Office or School
Model
SwitchBot Air Quality Monitor Indoor 6-in-1 Meter Pro CO2 Detector, CO2 Alarm, Temperature Humidity Monitor with APP, Large Display, Bluetooth Air Quality Tester for Home, Office, 2-Year Data Storage
Model
Air Quality Monitor, Professional & Accurate CO2, TVOC, HCHO, Humidity& Temperature Particle Counter, for Home, Office, School, Hotel, Car (Raven Black)
Model
LSENLTY Carbon Monoxide Detector Plug in Wall, Carbon Monoxide Detectors with 2.1'' HD Screen&Indicator Visual&Audible Alarm, 3-in-1 CO Detector(CO Gas Meter, Temp and Humidity) for Home RV Travel
Model
LSENLTY Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home Office

Brand

SAF
Brand
Newentor
Brand
Temtop
Brand
SwitchBot
Brand
PERFORMANCE GURU
Brand
LSENLTY
Brand
LSENLTY

Reviews

2,390 reviews
Reviews
492 reviews
Reviews
98 reviews
Reviews
90 reviews
Reviews
14 reviews
Reviews
76 reviews
Reviews
18 reviews

Tech Specs

item weight

104 g
item weight
130 g
item weight
160 g
item weight
0.5 Pounds
item weight
218 g
item weight
100 g
item weight
140 g

customer reviews

4.7 4.7 out of 5 stars 1, 195 ratings 4.7 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 246 ratings 4.3 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 49 ratings 4.4 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 45 ratings 4.3 out of 5 stars
customer reviews
5.0 5.0 out of 5 stars 7 ratings 5.0 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 38 ratings 4.3 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 9 ratings 4.3 out of 5 stars

batteries included

Yes
batteries included
No
batteries included
Yes
batteries included
-
batteries included
No
batteries included
-
batteries included
Yes

included components

Batteries
included components
CO2 detector, user manual, USB cable
included components
Detector x 1, USB cable x 1, User manual x 1, Bracket or accessories set x 1
included components
-
included components
Air Quality Monitor Indoor
included components
-
included components
Detector

batteries required

Yes
batteries required
Yes
batteries required
Yes
batteries required
-
batteries required
No
batteries required
-
batteries required
Yes

warranty description

2 year manufacturer
warranty description
1 year limited parts and labor
warranty description
-
warranty description
-
warranty description
1Year Manufacturer
warranty description
-
warranty description
4 Year

style

Modern
style
5000ppm
style
CO2 with App C1 PLUS
style
-
style
-
style
-
style
Portable CO2 Detector

color

-
color
-
color
-
color
White
color
Raven Black
color
White
color
Portable CO2 Detector-Green

product dimensions

2.39 x 7.01 x 7.01 cm 104 g
product dimensions
1.5 x 9 x 12.5 cm 130 g
product dimensions
-
product dimensions
-
product dimensions
12.7 x 5.08 x 7.62 cm 217.72 g
product dimensions
-
product dimensions
-

batteries

2 AA batteries required. included
batteries
-
batteries
1 Lithium Ion batteries required. included
batteries
-
batteries
-
batteries
-
batteries
1 Lithium Polymer batteries required. included

power source

Battery Powered
power source
Corded Electric
power source
-
power source
-
power source
-
power source
-
power source
Battery Powered

battery cell type

Alkaline
battery cell type
-
battery cell type
Lithium Ion
battery cell type
-
battery cell type
-
battery cell type
-
battery cell type
Lithium Polymer

measurement accuracy

30 ppm 3 of reading
measurement accuracy
+/-0.5
measurement accuracy
40ppm +5 400-2500ppm 0.5 C 3 RH
measurement accuracy
-
measurement accuracy
-
measurement accuracy
-
measurement accuracy
-

Available On

Available On
Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.7
    1
    SAF
    28% Off

    SAF Aranet4 Home: Wireless Indoor Air Quality Meter for Home, Office or School (CO2, Temperature, Humidity and More) Portable, Battery Powered, E-Ink Screen, App for Configuration & Data History

    Main highlights
    • Uses nondispersive infrared sensor (NDIR) technology for most precise and reliable CO2 measurements
    • The perfect companion for indoor environments, allowing you to monitor CO2 levels, temperature, relative humidity, and atmospheric pressure in real-time
    • Smartphone app for viewing and analyzing historical data up to 90 days history
    • Power-efficient e-ink display ensures super long battery life for this wireless device
    • Easy for anyone to use – the color coding and the optional buzzer warns you when the CO2 concentration gets too high
    • Designed and made in Europe
  • 9.6
    2
    Newentor

    Newentor CO2 Detector Indoor Air Quality Meters, CO2 Monitor Portable for Home, Carbon Dioxide Detectors Sensor with Temperature Humidity, Thermometer Clock Voice Alert Large Display, Black

    Main highlights
    • Versatile Application: Our CO2 detectors can be used in a wide range of settings. In industrial settings, they help monitor CO2 emissions and ensure compliance with safety regulations. In agriculture, they aid in greenhouse monitoring and optimizing plant growth by regulating CO2 levels. Additionally, they can be used in households to monitor indoor air quality and ensure a healthy living environment.
    • Rapid Measurement and Response: this CO2 tester boasts a fast measurement and response time, allowing you to quickly monitor and take necessary actions to maintain optimal CO2 levels.
    • High Precision Measurement Chip: Newentor carbon dioxide detector is equipped with an industry-leading high precision measurement chip, ensuring accurate and reliable CO2 concentration readings.
    • CO2 Concentration Warning Function: It alerts you when the carbon dioxide levels exceed safe limits, helping to ensure a healthier and safer environment.
    • Additional Temperature and Humidity Detection: In addition to carbon dioxide detection, it also features temperature and humidity detection capabilities, providing comprehensive environmental monitoring for industrial, agricultural, and household applications.
  • 9.5
    3
    Temtop

    Temtop CO2 Monitor with App Indoor Air Quality Monitor Portable CO2 Detector CO2, Temperature, Humidity for Home, Office or School

    Main highlights
    • 【What's Included】 Detector x 1, USB cable x 1, User manual x 1, Bracket or accessories set x 1
    • 【No Disturb for a Worry-Free Life】the sound alarm can be turned off, and without backlight, no noise and light disturbances, allowing you to easily fall asleep at night
    • 【Multiple alarm modes 】the color coding and optional alarm, will sound the warning when the CO2 concentration becomes excessive.
    • 【Multifunctional CO2 monitor with App】Real-time CO2 detect, humidity and temperature monitor with App by bluetooth. CO2 detection range: 400-5000PPM. Temperature detection range: -10-60°C (14-140°F). Humidity detection range: 0-99%RH.
    • 【Large and Clear Display】Equipped with a 3.3-inch large LCD screen, it can simultaneously display the test results of multiple parameters clearly, allowing users to grasp the indoor environmental conditions at a glance.
    • 【Cost-effectiveness and 70 days standby】the latest Photoacoustic CO2-Sensor incorporates intelligent algorithm , offering dual detection modes and using up to 70 days ! It provides you with the most cost-effective CO2 detector.

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Features

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.