Air Purifiers

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After an extensive research of several months we found the best air purifiers for our classes are the ones from IQAir from Commercial Air Filtration.

It was important to choose a company who does not work for any particular one manufacturer but are an independent supplier of air filtration systems and work with the best brands from around the world.

We sought advice on systems and technologies used, to make sure we could  make a well-informed decision.

IQAir air filtration systems have contributed to a considerable reduction in air pollutants in educational institutions in over 80 countries worldwide..


The installation of the ‘IQAir Cleanzone SL’ in one of the classroom is observed to show reductions in internal concentrations of both PM10 and PM2.5. Post mitigation monitoring shows no concentration exceeding 5 μg/m3 of PM10 compared to concentration of 13 μg/m3 before the air purifier was installed within the nursery classroom. Installation of the ‘IQAir Cleanzone SL’ air purifier results in reductions of both PM10 and PM2.5. 

PM10 Premitigation

PM 10 post mitigatio

The data we collected shows 90% removal effectiveness of PM 2.5

Averafge removal pm2.5

and also an 83% removal effectiveness of PM10

Average Removal PM10

A recent study, published at the International Indoor Air Conference, confirms that the IQAir systems are able to protect classrooms from up to 96% of soot, PM 2.5 and ultra-fine particles. A peer-reviewed study like this, in a scientific journal like Indoor Air, is probably the best indicator to look at in regard of the seriousness and effectiveness of the IQAir systems

Click here to download a Pilot_study for_classroom applications

These are the IQAir filters after about 12 months of usage in a house facing the A4 only a couple of hundred metres away from St Mary’s School.

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