Indoor Air Quality Monitors from GasLab



The IAQ Max is a sleek, modern indoor air quality monitor that displays carbon dioxide (CO2), temperature, % relative humidity, and barometric pressure levels in your home, classroom or office.

Use it to understand how indoor air quality impacts the overall health and well-being of your family, students, or fellow office workers.

The large LCD display includes a 3-color indicator (green/yellow/red) to show CO2 levels. 30 days of air quality history can be downloaded and graphed using our free GasLab® software.

With its built-in rechargeable battery, the IAQ-Max can be moved from room to room to test indoor air or can be taken outside by an instructor who wants to teach children about CO2 in the air.

To make it easy to use, the IAQ-Max is calibrated in fresh, outdoor air.

IAQ Mini


The IAQ Mini is designed to give immediate and obvious notification of indoor air quality levels. As CO2 levels increase, the large LCD display changes from green to yellow to red to make it easy to monitor the CO2 level from anywhere in the room.

In addition to CO2, the display shows temperature, % relative humidity and a bar graph that records the CO2 level history over the last 24 hours. For nighttime use, the display will go dark from 10pm until 6am.

Like the IAQ-Max, the IAQ Mini can be easily calibrated by taking it outside and starting the calibration process in outdoor air.

Indoor Air Quality Monitors and COVID-19 in Schools

COVID-19 is becoming an issue as children return to school this fall. A CO2 monitor can give an accurate description of classroom air quality. High CO2 levels in the air correlate with high levels of airborne dust, dander, mold, particulate matter, chemicals and aerosolized liquids that can carry the coronavirus. Learn more about COVID-19 and CO2 monitors here.

The Federation of European Heating, Ventilation and Air Conditioning Associations (REHVA) has recommend using “traffic lights” controlled by CO2 monitors in enclosed areas like classrooms, where green, yellow and red denote good, problematic, and bad air quality. In addition, the Center for Disease Control and several states are now encouraging the monitoring of CO2 levels in schools to raise awareness of IAQ.

Note that indoor air quality monitoring is only one in a layer of a multi-faceted strategy for combating COVID-19 transmission. For an in-depth discussion of this issue watch this hour-long presentation by the National Collaborating Centre for Environmental Health of Canada.

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