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I have an AC unit on rollers that has a hose out the window[1] to take the bite out of those hot days. Although I've recorded 38C inside my house... Seems like

• Faark 7y ago
  Those single hose ones are a bit idiotic. They take air from around them (i.e. the room air they just cooled) to transfer heat into and move out. That will then replaced by air from the outside, transporting new heat inside. Still better than nothing, and cheaper to buy / easier to use, but I'd hope this is one of those kind of tech we'll see replaced by something better rather soon-ish.
  • tmikaeld 7y ago
    There are two hose units that fixes this problem but they are rare and much more expensive, I 3D printed a set to the back inlet of my single hose one to fix this issue. Works wonders, now hot air are forced out instead of drawn in.