EPA studies show that even in the smoggiest cities, the air inside many modern homes is often at least 10 times more polluted than outside.
EPA studies show that even in the smoggiest cities, the air inside many modern homes is often at least 10 times more polluted than outside.
— Dor-Mar HVAC (@DorMar_HVAC) September 4, 2018
from Twitter https://twitter.com/DorMar_HVAC
September 04, 2018 at 11:45AM
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