Why and how portable are air conditioners vented?

Portable ACs extract hot air, and this hot air has to be vented. If the hot air isn't vented, the portable air conditioner will not be able to cool a room effectively. Window and venting kits are always included with portable air conditioners at no extra cost.

You can also vent a portable AC through a wall vent, into the attic or drop ceiling, or even around a door - you're only limited by your creativity! For venting portable AC systems through casement windows (windows that crank out), Plexiglas can be used. Simply cut the Plexiglas as the size of the window, cut out a 5" hole to vent the hose, and place this over the open window.

Not only will the portable air conditioner vented, but Plexiglas will also allow the same amount of light to pass through the window as before. More.

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