The first option is to vent the portable air conditioner through an exterior wall.
Can you install a window air conditioner into a wall.
If you ve already purchased your through the wall air conditioner then you can skip this section.
The problem with air conditioners for the window where you can t slide the guts out of the sleeve means that they usually have ventilation fins on the side which could be blocked by the wall depth.
However if you re still in the researching phase and want to know what s involved with installing this type of air conditioner before you buy it then this short section is for you.
If the room you re attempting to cool has an exterior wall that leads directly outdoors you can cut a hole in that wall just large enough to provide adequate venting for all the hot air you re sucking out of the interior space.