Let's Stay In Touch! The Most Popular Way to Vent: Not Helpful 0 Helpful Commenters have asked about a couple of other issues with portable ACs. Nature's most efficient means of cooling is through the evaporation of water. It blasts cool air from only one location, as opposed to the many vents of central air.
What size portable air conditioner do I need for my room?
How to Vent Your Portable Air Conditioner
Exclusions apply. Follow the directions that came with your unit. Venting properly exhausts the hot air removed from your room to outside, where it dissipates naturally. Connect it to a grounded electrical outlet only. Do all portable air conditioners need to be vented outside?