The expansion of Low Emission Zones (LEZs) in urban areas is also being put forward as, despite controversy, these have been proven to reduce air pollution.
But what about indoor air quality? Reducing external air pollution will have a positive impact on internal air quality, but it’s not the entire story.
Indoor air quality varies tremendously not only between schools, but also within them, meaning different ventilation solutions need to be deployed within schools to provide good IAQ that is conducive to learning.
When it comes to classrooms, systems that are powerful enough able to ventilate multiple rooms and that come with a filter to remove incoming pollutants, such as the Nuaire XBOXER XBC range, are ideal.
For sports halls, the biggest challenge is CO2 and odours which must be removed. Nuaire BPS range of packaged Air Handling Units are perfect for these environments as they are able to provide a high volume of air movement and do so with high efficiency. To not waste energy through running the unit when the space is not in use, it is good practice to use occupancy sensors and pollutant sensors (such as CO2 sensors) which control when units are active. This will prevent them running when ventilation is not required.
If the school is lucky has an indoor swimming pool, then a ventilation system that can cope with high levels of humidity and corrosive chlorine needs to be specified. Nuaire’s Boxer Bespoke range of AHUs can be coated for such applications.
Toilets and WCs in schools are high use areas which can fill with indoor air pollutants and odours very quickly if not ventilated correctly. Twin fans technology is standard practice for areas such as toilets. Duty share of the two fans within the unit mean that the fan continues to work in the event of one fan failing.
In school kitchens, a bifurcated fan, such as Nuaire’s Squif range, with the motor out of the airstream is a good solution, as it means that pollutants such as grease do not clog up the motor – something that can result in fan failure over time.
Addressing both external air pollution and indoor air quality is vital if we are to provide our children with a safe, comfortable place to learn. No child should have to breath dangerous or stale air just to get an education.
www.nuaire.co.uk/commercial/education
“Short-term exposure to concentrations of NOx can cause inflammation of the airways and increase susceptibility to respiratory infections and to allergens.”
www.tomorrowsfm.com
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