PETALING JAYA: With the number of Covid-19 infections hitting the roof and more people having to work from home (WFH) effective tomorrow, experts are highlighting the importance of proper indoor air ventilation to check the spread of the coronavirus.
Residential homes should keep windows open if the air outside is clean as this will provide better ventilation, says American Society of Heating, Refrigerating and Air-Conditioning Engineers (Ashrae) Malaysia chapter president Ng Wen Bin.
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