The first concept of #AC occurred around 500 years ago in Persia with giant wind towers.
The first concept of #AC occurred around 500 years ago in Persia with giant wind towers.
— Dor-Mar HVAC (@DorMar_HVAC) April 12, 2018
from Twitter https://twitter.com/DorMar_HVAC
April 12, 2018 at 09:31AM
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