Can a window air conditioner be used through the wall?

In most cases, if a window exits from one side, the wall blocks the fans and causes overheating. Selecting the AC window models can be installed through a wall, but only if they have a sliding handle frame. Learn more about the wall handles.If a window unit vent out its side, the wall will block the vents and cause overheating. Only window AC models that have a slide-out wall sleeve can be installed through a wall. There are wall sleeves.