How do portable air conditioners work?

Portable air conditioners usually consist of a boxlike frame that holds both the cold and hot side of the air conditioner and an exhaust hose to expel heat. When a portable air conditioner cools the ambient air, water is removed, with most of this water being used to cool the actual unit, resulting in more efficient cooling. In terms of removing this condensate water, two main methods are used.

First, a bucket or tray inside the portable AC collects water which must be emptied frequently. The second method involves the evaporation of water and exhausting it through a main venting hose and through a window, wall, or drop ceiling. Although it may be true that portable air conditioners do not require permanent installation, there is some minor work that must be performed each time a portable air conditioner is moved from one room to the next.

Because portable air conditioners blow exhaust air out of a hose, one end is attached to the back of the unit and the other is vented outside. All ... more.

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