I discovered the Haier 14,000 BTU Commercial Cool Portable Air Conditioner. It is a portable AC that states in the product description that there is no reason to install a vent. It also says that a window exhaust kit is also included with the purchase.
I believe that they are trying to convince us that the word “vent” should only be used as a permanent installation for items such as clothes dryers, and installations that are going to be temporary like those used for movable air conditioners are window exhaust kits.
It is important for the hot air generated from a compressor to be exhausted from a room. If you buy a Haier, you’ll be window kitting the warm air outside of your window instead of needing to vent it like everyone else does.
The truth of the matter is that there is no such thing as an air conditioning unit that has no vent.
If you are searching for a cooling unit that is portable and does not require venting, and the word portable could mean a few different things, you have three choices: small window units, fans, or movable swamp coolers that are also called portable evaporative coolers.