Yes. The truly ventless cooling devices are called evaporative coolers or 'swamp coolers'. They create airflow and cool you like a cool wind; they do not, however, lower the overall temperature of the room like portable air conditioners that need to be vented.
Is portable AC worth buying?
Portable air conditioners are good for specific cooling needs. If you want a portable AC unit that can move from room to room, then it is a good cooling option. It's also the efficient air conditioner choice that is not permanently installed.
Can portable AC cool a room?
Portable air conditioners often take more BTUs — and therefore use more electricity — to cool the same square foot space as a window unit. For example, a 10,000 BTU window unit will cool 450 square feet, but a 10,000 BTU portable AC unit will cool only 300 square feet. It could get loud.29 Mar 2018
What is the disadvantage of portable AC?
Some disadvantages of portable air conditioners include heavy units that are difficult to move, high noise levels, draining the water regularly and the limited cooling space the unit offers.
Which is better AC or portable AC?
What's more, a window air conditioner actually uses energy more efficiently than a portable unit does. That means you get even more cooling power per BTU. It is important to note that some window air conditioner can also be installed through the wall which does not require an actual window space.