If you do a search online for casement window air conditioners, you won't find many good options. They're typically taller and skinnier than traditional window units, so it can fit into sliding windows or ones that have a smaller section that pushes outward. But there are … See more

Portable air conditioners have dropped in price significantly since they first came on the market. Now they're comparable to window units, and way more versatile. Instead of mounting a … See more

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. This would also work if you want to install an air conditioner in a sliding window as well. You … See more

This was my first idea, and it turns out I'm not the only one who thought of this option! I was debating screwing the Plexiglass directly to the window frame, but this video shows … See more