• Corroded@leminal.space
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      2 months ago

      They’re also called evaporator coolers. I am not sure if the word swamp refers to it performing a function that might be found around a swamp or how they operate.

      Maybe the pool of water at the bottom is referred to as a swamp.

      I linked the video but it’s been a while since I watched it. I am not sure if he explains the nomenclature.

      • SirDerpy@lemmy.world
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        2 months ago

        A collection point for liquid drainage is called a “sump”.

        Examples: A basement may have a low point in the foundation with a drainage pump installed to prevent flooding: a sump pump. Boats have a sump to collect onboarded water called a bilge. They’ve a bilge pump to remove the water.

        Maybe “sump cooler” became “swamp cooler”?