Heating and Ventilation News Opening windows should not be considered an adequate means to manage air quality in schools, with a trade body demanding a national investment focus on mechanical ventilation ‘Natural ventilation’ should be considered inadequate as a means to manage indoor air quality in schools and ensure a healthy and productive environment for pupils, industry experts argue. Trade body BESA said there is growing industry consensus that better ventilation strategies would be needed to tackle current concerns about potential airborne infection as a result of Covid-19, as well as address long-term issues around pupil wellbeing beyond the pandemic. It now hoped that political action might be taken to address these concerns as part of plans to transform school estates in England.