Benefits of Good Ventilation

• Reduced risk of respiratory illnesses and allergic reactions such as asthma by removing large particles and dust and preventing the build-up of mould.  
• Reduced risk of spreading and catching diseases such as flu and COVID-19
• Improved mental health and sleep
• Less illness and fewer related absences for staff and students
• Improved productivity and concentration of staff and students 
• Reduced asthma symptoms
• Improved cognitive function and test scores

Warning Signs of Bad Ventilation

• The air feels stuffy or the room feels too hot
• The air smells unpleasant and is not dissipating
• The room feels muggy or there is any condensation or damp
• There is any mould growth
• Alerts by CO2 monitors