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.
Crank window air conditioner adapter.
Free shipping on your first order shipped by amazon.
Simply screw it to the inside of the screen frame and add a piece of foam t.
Gulrear portable ac window seal window seal for ac unit air conditioner window kit white 400cm 158inch hot air stop air exchange guards with zipping and adhesive fastener.
However any type of material that will keep the hot air out and the cold air in will work.
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.
3 9 out of 5 stars 669.
Get it as soon as thu sep 24.
This would also work if you want to install an air conditioner in a sliding window as well.
First measure the window in order to know what size plexiglas 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.
You can see how one homeowner did it in the video below.