Apr 19, 2022, 9:27 AM
(From NPR) Exchanging the air in a room five times an hour cuts the risk of coronavirus transmission in half, according to research cited by the White House Office of Science and Technology Policy. Yet most buildings today exchange the air only once or twice an hour, and ventilation systems pump only outdoor air into buildings, rather than mixing fresh and recirculated air together. So what is keeping most schools from updating their ventilation systems?
One school facilities expert, R. Brant Moore, said the upgrades can cost upwards of $30,000 and come with higher cost and energy use, which increases the greenhouse gases fueling climate change. Ward said his program can afford the higher heating bills, at least for now, because of past savings from reduced energy use.
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