• Puttaneska@lemmy.world
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    1 year ago

    This would make sense, although I seem to remember being told that hosing can be used to pump warm air from the top of the warehouse down. So cheap , environmentally friendly heating.

    If OP knows weather it sucks or blows, we might have this one solved!

    • FishInABarrel@kbin.social
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      1 year ago

      You can see that the hose enters the center of a centrifugal blower, which is the inlet, so the hoses are sucking.