Final answer:
Portable air conditioners vent warm air outside to maintain cool indoor temperatures.
Explanation:
Warm air from a portable air conditioner can be vented to the outdoors through a window kit or a vent hose that extends outside. This process helps expel the heat generated by the air conditioning unit. Portable air conditioners work by extracting heat from indoor air and releasing it outside, allowing the cool air to remain inside the room.
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