Casement Window Portable Air Conditioner Vent

However any type of material that will keep the hot air out and the cold air in will work.

Casement window portable air conditioner vent.

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. It works by taking in air from a room cooling it and directing it back into the room venting warm air outside through an exhaust hose. This would also work if you want to install an air conditioner in a sliding window as well. You can see how one homeowner did it in the video below.

We recommend using plexiglas. 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.