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Calmo – The Small But Powerful CO2 Detector


by | Aug 1, 2023

You’ve possibly been meaning to get a CO2 monitor for your home, office or classroom for a while. But the truth is, they’re just not that easy to find—and even when you do, they can be pretty expensive or of very poor quality. The Calmo CO2 detector is a simple-to-use device that can help you keep track of the CO2 levels in your home, classroom or office.

Calmo USB Air Quality Monitor

The Calmo is by far the most cost effective CO2 detector but still boasts a range of features. The monitor is easy to use—you just plug it in and leave it there. It’s dual powered with USB-C cable or 230V terminal connections. So you don’t have to worry about running out of batteries at an inconvenient time.


With its clean design, advanced senseair s8 co2 sensor, simple interface and 8-hour and 24-hour peak and average readings, this device is sure to provide years of reliable performance in any environment.

The monitor has a traffic light display, so you can tell at a glance whether your CO2 levels are good or bad. If the light is green, everything is fine. If it’s yellow or red, you might want to consider taking some actions to reduce the CO2 levels in your home.

It’s simple look has made it a go to CO2 monitor for many applications including classrooms and even within homes. The Calmo is compliant with LVD and Scottish Technical Handbook Domestic Environment 3.14.2 (2011) and Building Regulations 2010 – Ventilation Part F.


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