Shop CO2 Monitors
From homes to classrooms, our monitors provide clear insights into your air. Great prices, proven accuracy, and NZ-based support.
Carbon Dioxide
Humidity
Temperature
Accuracy
All our monitors use independently tested sensors, giving you reliable readings you can trust.
Best Value
Proven performance without inflated markups. Honest pricing backed by global testing.
Connectivity
Choose models with Wi-Fi, Bluetooth or app support for real-time tracking and historical data.
Free Shipping
Fast, free NZ wide delivery on orders over $100. Stock held locally for quick turnaround.
Local Support
We’re based in Christchurch, ready to help with advice, setup or anything else.
Global Trust
Monitors used by households, schools and professionals across the globe.
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3 products
3 products
The C1+ is a compact and affordable CO2 monitor that makes it easy to keep an eye on indoor air. It tracks carbon dioxide, temperature, and humidity with high-accuracy Swiss-made Sensirion sensors. Perfect for home, office or school use.
The 3.3" LCD screen is clear and simple (no backlight), and the magnetic back lets you attach it to fridges, cabinets, or other metal surfaces without mounting gear. It runs for up to 70 days on a single charge, and when plugged in, provides continuous real-time readings.
You can also pair it with the Temtop app via Bluetooth to track trends and export data easily.
Introducing the new 3-in-1 Air Monitor from Smart Air, providing accurate measurements for CO2 as well as temperature and relative humidity. The CO2 Monitor also offers Wi-Fi connectivity, enabling real-time alerts and customisable thresholds, so you can monitor your environment effortlessly. The air monitor is wall mountable and features up to 30 days of battery life, with an option to power it using the included USB-C cable.
Affordable and easy to use, it’s perfect for monitoring air quality in homes, offices, schools, and more. Whether you need to oversee a single space or multiple locations, this air monitor provides reliable and comprehensive data to help maintain a healthy indoor environment.
The C10 2nd is a compact and accurate CO2 monitor designed to give you quick, reliable insights into indoor air quality. It tracks CO2, temperature, and humidity. This makes it a great choice for homes, offices, classrooms, and travel.
With a crisp E-Ink display and Bluetooth connectivity, you can easily view trends and export data through the Temtop app. When plugged in, the C10 updates in real time. On battery, it automatically switches to a lower update rate - allowing for an impressive battery life of up to 180 days on a single charge!
