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A comment on Air-conditioners do great good, but at a high environmental cost. Parent comment

Re:Air-conditioners do great good, but at a high environment... by pc86 on Tuesday August 28, 2018 @02:19PM (#17861345)
> You can't thermondynamically make an AC work if it's purely in the room.

We have two AC units in our home that are entirely inside, there is just a hose connecting the unit to the window and the hot air is blown through the hose.

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Re:Air-conditioners do great good, but at a high environment... by roland35 on Tuesday August 28, 2018 @02:27PM (#17861432)
"Purely in the room" in this context means a closed system - in your house you are still dumping the excess heat outside your system
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Re:Air-conditioners do great good, but at a high environment... by roganartu on Tuesday August 28, 2018 @02:34PM (#17861519)
By "purely in the room" I imagine they meant within a closed system. By having a hose connecting your units to the outside world your room is no longer a closed system (ignoring things like drafts and imperfect insulation etc that already prevented it from being considered closed).
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