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10 Best ndir co2 sensor in Canada
Best Choice01DANOPLUSCO2 Meter Portable CO2 Monitor 9999ppm Carbon Dioxide Detector NDIR CO2 Sensor Air Quality Tester for Carbon Dioxide Humidity and Temperature
Main highlights- 【Wide Mesurement Range】: Measuring Carbon Dioxide(CO2) level: 0~9999ppm; Temperature:14~140°F(-10~60°C); Humidity (0.1% ~ 99.9%RH); Dew Point: -20.0~59.9°C; Wet Bulb: -5.0~59.9°C【Wide Mesurement Range】: Measuring Carbon Dioxide(CO2) level: 0~9999ppm; Temperature:14~140°F(-10~60°C); Humidity (0.1% ~ 99.9%RH); Dew Point: -20.0~59.9°C; Wet Bulb: -5.0~59.9°C
- 【User-Friendly】: Power Supplied by Battery (Included) or 9V Adaptor, easy to carry allows you to do a spot check in any rooms in the house, hotels, office, school, etc.
- 【Sound Warning Alarm】 :the alarm will beeps and notifies when CO2 levels reach or exceed the preset threshold, the alarm threshold is adjustable by user.
- 【High Accuracy】: Equipped with stable NDIR Sensor, Accuracy of CO2: ±50ppm ±5% of reading; Temp: ±0.9℉( ±6℃); Humidity: ±3%RH(at 25℃, 10~90%RH)
- 【Easy Calibration】: Can manually calibrate the CO2 and Humidity, ensuring accurate detection after a long time usage
9.9Exceptional
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- 02GoveeLife
GoveeLife Smart Air Quality Monitor for Home, CO2 Detector for Health, Sleep Quality & Energy Efficiency, Temperature Humidity Meter with Real-Time Display & Alarm, for Office, Bedroom, Kitchen
Main highlights- Triple Alert System: When CO₂ levels, temperature, or humidity exceeds customizable thresholds, this air monitor triggers three types of warnings: a built-in buzzer, instant app notifications, and detailed email reports. Ensures no alert is missed and provides ultimate peace of mind—especially for families with children or elderly members.
- Smart Home Appliance Connectivity: CO₂ concentration can be queried by voice through Alexa/Google Assistant, and intelligent ecological linkage is achieved with humidifiers and tower fans - transforming passive monitoring into active environmental management in modern smart homes.
- Fast & Accurate: This CO₂ monitor boasts an accuracy of ±(40ppm + 5%), a fast 5s refresh rate, and a built-in air pressure sensor, ensuring reliable performance at any altitude. It helps prevent headaches and drowsiness while improving sleep quality and enhancing concentration.
- Data Tracking & Export: Track up to two years of historical data via interactive charts in the app, and export professional CSV reports for medical consultations or energy efficiency optimization. Enables data-driven improvements to your indoor environment.
- Customizable LED Display: The CO₂ meter features a programmable screen and tri-color light bar that automatically adjusts brightness based on your custom day/night schedule via the app, ensuring clear visibility by day and eliminating sleep-disrupting light pollution at night. Ideal for light-sensitive sleepers and nurseries.
- 4-in-1 Multi-Function Display: This CO₂ detector clearly shows four essential metrics—real-time CO₂ levels, temperature (°F/°C), humidity (%RH), and a built-in clock(need to connect to the APP). Making it ideal for bedrooms, nurseries, and offices—delivering comprehensive air quality insight at a glance.
9.7Exceptional
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Value for Money03SwitchBotSwitchBot Air Quality Monitor Indoor Meter Pro CO2 Detector, CO2 Monitor, Temperature Humidity Monitor with APP, Bluetooth Air Quality Tester for Car/Home/Office (Meter Pro CO2)
Main highlights- Portable and Durable: Our air quality detector measures 92mm x 79mm x 25mm and weighs just 154g. It has a built-in battery with up to 12 months of life and a low battery warnings. Features wall-mount holes and an adjustable bracket for versatile placement in any environment.
- Part of the SwitchBot Ecosystem: With a SwitchBot Hub, your Battery Circulator Fan or Evaporative Humidifier can automatically activate when CO2 levels exceed the set threshold, enhancing ventilation. This home air quality tester also supports third-party voice control through the Hub, simplifying air quality management.
- High Precision Sensor: Built with Swiss-made NDIR sensors, this CO2 monitor accurately monitors air quality by measuring CO2 levels every 1 second with an accuracy of ±50 ppm and a range of 400-9000 ppm. Its high sensitivity and stability ensure rapid and precise air quality feedback.
- 5-in-1 Multi-Functional Display Screen: SwitchBot Meter Pro CO2 features a 92-millimeter large screen that simultaneously displays CO2 levels, temperature, humidity, time, date, and comfort level. This indoor air quality monitor makes it easy to monitor your environment and decide when to ventilate for a healthier living space.
- 3 Alarm Methods: Customize CO2, temperature, and humidity range with trigger alerts. When limits are exceeded, you'll be notified via sound alarms, visual screen alerts, and app notifications (SwitchBot Hub required). With this air quality monitor, you can continuously and effectively track air quality.
9.4Excellent
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- 04INKBIRDPLUS
INKBIRDPLUS Portable CO2 Detector, Mini Indoor CO2 Monitor, NDIR Sensor with Full Color LCD, Indicator Light, Alarm, Auto Calibration, for Home, Office, Travel
Main highlights- Wide Application: You will get—— 1x CO2 detector, 1x lanyard, 1x 2m charging cable, and a user manual. This portable CO2 monitor is suitable for home, office, grow tent, greenhouse, production warehouse, raw material processing, indoor home decoration, and more.
- Portable and Long-Lasting: Because of its small size and portability, you can take it anywhere and hang it with the included lanyard. And it comes with a built-in 1000mAh lithium battery that can be fully charged within 3 hours and last about 72 hours.
- High-Quality CO2 Detector: INKBIRDPLUS adopts an advanced NDIR sensor, which detects carbon dioxide through infrared sensing technology and has high precision, strong anti-interference, and excellent stability for detecting carbon dioxide concentration at any time and anywhere you stay.
- HD Full-Color LCD Display: Its big full-color LCD screen is easy to read and eye-caring. If there is no operation for 5 minutes, it will automatically enter energy-saving ECO mode, causing no disturbance to the surrounding environment.
- Dual Alarm Function: This CO2 monitor has CO2 indicator lights on its screen—green light for good (400~699ppm), yellow light for medium (700~1499ppm), and red light for dangerous state (1499~5000ppm). When the detected CO2 concentration exceeds 1500 ppm, the device will also sound an alarm to remind you. And the CO2 alarm value is customizable.
9.2Excellent
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- 05VETOUCH
VETOUCH Plug-in CO2 Detector, 3-in-1 Carbon Dioxide Monitor with Temperature & Humidity, Manual Calibration, CO2 Alarm Function, Ideal for Home, Office, School, and Gym, Real-time Monitoring-1Pack
Main highlights- ️【Winter Ventilation Helper】Essential for Canadian winters when windows stay closed. Know exactly when CO2 levels rise and fresh air is needed in bedrooms, offices, and kids' study areas.
- ️【Real-Time Data Updates】Readings refresh every 2 seconds for immediate awareness of changing air conditions. Essential for monitoring stuffy rooms, poor ventilation, and indoor pollutants.
- ️【Portable & Travel Ready】Lightweight 60g design with universal 110-240V voltage. Ideal for Canadian cottage trips, RV adventures, camping, and hotel stays across the country.
- ️【Plug & Play CO2 Monitor】No wiring or setup required—simply plug into any outlet and start monitoring indoor air quality instantly. Perfect for Canadian homes, bedrooms, and living rooms.
- ️【Multi-Room Versatility】Perfect for basements, kitchens, living rooms, RVs, campers, classrooms, and daycare centers. Ensure healthy air quality wherever Canadians live, work, and travel.
- ️【Large Color Display】1.83-inch screen shows real-time readings clearly from up to 15 feet away. Color-coded bars provide instant air quality assessment: green for fresh air, yellow for moderate, red for poor ventilation.
- ️【Customizable CO2 Alarm】Set your own alert threshold and receive loud 85dB audible warnings when CO2 exceeds your preference. Perfect for knowing when to open windows in tightly sealed Canadian homes during winter.
- ️【5-Year Sensor Life】High-precision NDIR sensor delivers ±5% accuracy and lasts up to 5 years. Reliable long-term performance for health-conscious Canadian families.
- ️【3-in-1 Air Quality Tracker】Monitors CO2 levels, temperature, and humidity simultaneously. Ideal for nurseries, home offices, and classrooms across Canada where healthy air matters.
- ️【180° Rotatable Screen】Flexible display rotates for easy viewing from any angle. Perfect for placing in any room, basement, or RV without compromising readability.
9.0Excellent
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- 06VEVOR
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable
Main highlights- Stable CO₂ Detection: Keep indoor air quality under control with this CO2 monitor for home. Dual infrared sensors measure CO₂ accurately between 400 and 5000ppm, while simultaneous temperature and humidity display ensures stable, clear, and easy-to-read indoor environment data
- Instant Air Monitoring: Track indoor air instantly with this CO2 carbon dioxide detector. A high-sensitivity infrared sensor measures CO₂ in real time, while multi-color indicators visually guide ventilation decisions, making indoor air conditions easy to monitor at a glance
- Extended Battery Life: Equipped with a 2000mAh battery, this indoor air quality meter operates continuously for 72 to 120 hours. Its extended runtime minimizes frequent charging, making it ideal for long-term mobile monitoring in offices, classrooms, greenhouses, or outdoor environments
- Easy Device Control: Start monitoring immediately with this VEVOR carbon dioxide detector. No complex setup is required—just power on and wait 10 seconds. Large display shows CO₂ concentration, temperature, and humidity, and user-friendly buttons ensure smooth, quick operation
- Compact Portable Design: Our air quality monitor is lightweight and compact, weighing just 0.46 lbs (0.21 kg). Carry it easily in one hand, a pocket, or a bag, and instantly monitor air in classrooms, offices, greenhouses, or labs without worrying about space limitations or power access
8.9Very Good
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- 07U UNNI
U UNNI CO2 Monitor CO2 Detector for Home, 3 Adjustable Volume for Alerts & 3 Adjustable Backlight, Photoacoustic Sensor for Temperature Humidity & Indoor Air Quality Monitor
Main highlights- USB POWERED OPTION & BATTERY BACKUP & ADJUSTABLE BACKLIGHT – It is plugged in which allow the multi brightness display to stay on all the time, if you prefer. Either set it on tabletops, or mount it on the wall. 3 x AAA Battery(not included) for Backup & outdoor manual calibration.
- INDOOR AIR QUALITY MONITOR - Detect rise and decrease in CO2 level, perfect for anyone wanting to monitor air quality! Elevated CO2 can cause symptoms like headaches, drowsiness, allergies and difficulty concentrating, to keep an eye on air quality at home or work!
- IMPROVE VENTILATION – Very useful for high concentration of poor air quality and cooking indoors and it will indicate to open a window/door to refresh the area to get the levels lower. CO2 monitor for Home, RV, Grow Tents.
- HIGH-PRECISION SENSIRION CO2 SENSOR – Equipped with Swiss-made Photoacoustic Sensor provides precise and reliable readings, which gives you peace of mind about the air in your home. CO2 detection range：400～5000PPM,accuracy：+/- 5% + 50PPM. Temperature range: 14.2°F ~ 122°F, Humidity range: 20% to 95 %.
- Calibration process: Place the device in a standard calibration environment of 400PPM,Press and hold the ALERT button, and power on the device or install the battery,The device will sound "Bi-BI" and the screen will display the "CAL" character and keep blinking,After three minutes of calibration, the "PASS" character will be displayed. Power off and power on the device.
- CO2 MONITOR, SWITCH °C/°F – Great item for any home to monitor the weather and air quality! Real-time CO2 value, temperature and humidity, CO2 history chart, CO2 Concentration range, 3 Adjustable Volume for Alarm Setting & 3 Adjustable Backlight, Max/Min Data, Low battery indicator.
8.8Very Good
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- 08Temtop
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.
8.7Very Good
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- 09VEVOR
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor Carbon Dioxide Detector, for Outdoors, Home, Office, Car, Lightweight & Portable
Main highlights- Stable CO₂ Detection: Keep indoor air quality under control with this CO2 monitor for home. Dual infrared sensors measure CO₂ accurately between 400 and 5000ppm, while simultaneous temperature and humidity display ensures stable, clear, and easy-to-read indoor environment data
- Instant Air Monitoring: Track indoor air instantly with this CO2 carbon dioxide detector. A high-sensitivity infrared sensor measures CO₂ in real time, while multi-color indicators visually guide ventilation decisions, making indoor air conditions easy to monitor at a glance
- Extended Battery Life: Equipped with a 1000mAh battery, this indoor air quality meter operates continuously for 72 to 120 hours. Its extended runtime minimizes frequent charging, making it ideal for long-term mobile monitoring in offices, classrooms, greenhouses, or outdoor environments
- Easy Device Control: Start monitoring immediately with this VEVOR carbon dioxide detector. No complex setup is required—just power on and wait 10 seconds. Large display shows CO₂ concentration, temperature, and humidity, and user-friendly buttons ensure smooth, quick operation
- Compact Portable Design: Our air quality monitor is lightweight and compact, weighing just 0.29 lbs (0.13 kg). Carry it easily in one hand, a pocket, or a bag, and instantly monitor air in classrooms, offices, greenhouses, or labs without worrying about space limitations or power access
8.4Good
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- 10Temtop
Temtop CO2 Monitor Indoor air Quality Monitor Portable CO2 Detector CO2, Temperature, Humidity 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】Real-time CO2 detect, humidity and temperature monitor. CO2 detection range: 400-5000PPM. Temperature detection range: -10-60°C (14-140°F). Humidity detection range: 0-99%RH.
- 【Mini and Multi Application】Small and thin , easy to carry, also with a detachable stand and adsorptive back cover. You can check air quality anywhere and anytime.
- 【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.
8.1Good
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