Do Portable ACs Need to Be Vented?

All Honeywell Portable Air Conditioners come with one or two exhaust hoses (depending on whether they are single- or dual-hose units) and a convenient window kit. Does this mean portable ACs always need to be vented?

Portable air conditioners extract hot air from the room, and if you want to effectively cool your space, this hot air needs to be released outside. While portable ACs can be vented through a door, wall, or ceiling, they are most frequently vented through windows.

Although it isn’t unsafe to run your portable AC without venting, it is counterproductive. You should only operate it without an exhaust hose in dehumidifier mode; however, this will only heat the room up, not cool it down.

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