You can see how one homeowner did it in the video below.
Casement window portable air conditioner vent.
Venting a portable air conditioner is also important because it removes moisture from the air.
Although most portable air conditioners come with a traditional window kit you can absolutely fabricate an insert to fit into the casement window allowing you to vent your portable air conditioner.
If you don t vent the portable ac unit then the moisture will continue to build up and neutralize the cooling effect of the air conditioner.
This would also work if you want to install an air conditioner in a sliding window as well.
Portable air conditioners are used to cool down a particular room in the house.
We recommend using plexiglas.
Venting a portable air conditioner through a casement window is similar to venting it through any other type of window.
The less humidity inside a room the cooler it feels.
Open the window and set the air conditioner a minimum of 5 feet away.
Make sure the air conditioner is close enough to the nearest outlet so you can plug it in without using an extension cord.
Foam or plywood window insert this method uses the window vent insert that comes with the portable air conditioner coupled with a piece of rigid foam or plywood to block the rest of the window.
They are on wheels and can move from room to room.