The Elimination of the Return line from the HVAC systems due to COVID-19
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Abstract
Due to the spread of the deadly COVID-19 virus in the US and around the world, the author proposes the elimination of the return line from the HVAC (Heating, Ventilation, and Air conditioning ) systems , simply by closing the return air damper to avoid the spread of the virus.
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- last seen: 2026-05-19T01:45:01.086888+00:00