As part of my effort to control what I can in the face of so much COVID-19 unknown, today I purchased two HEPA (“high efficiency particulate air”) filtration machines for my classroom (I chose Okaysou AirMax8L for its reasonable price and for the square footage a single machine is able to filter multiple times per hour.)
Given the squre footage of my room (roughly 600 sq ft), the two units should be able to filter the entire room four to five times per hour.
My classroom has windows, but they do not open. Besides, the Louisiana climate does not often lend itself to comfortable, non-AC living. (I attended high school in Louisiana without AC, and we often had to move to an abbreviated, 7 a.m. – 1 p.m. school day because of the sweltering afternoon heat and humidity.) Too, even though my classroom has a back door that I…
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