During the COVID-19 pandemic, Passive House Institute (PHI) recommends schools in Germany must ventilate their classrooms regularly to reduce the risk of infection.Photo © Pixabay The Passive House Institute (PHI) urges the…
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During the COVID-19 pandemic, Passive House Institute (PHI) recommends schools in Germany must ventilate their classrooms regularly to reduce the risk of infection.Photo © Pixabay The Passive House Institute (PHI) urges the…