COSTWAY RV Window Air Conditioner, 6500 BTU Window AC Unit w/WiFi APP Voice Control, 24H Timer & Quiet Operation, 4-in-1 Cooling Fan Dehumidifier Sleep Mode for Caravan & Motorhome

Surprised nobody has started popularizing a mini split “window” unit. Something like this with an appropriate bracket (or some monster suction cups) seems like it would be perfect for a bottom tilt-out window. Shit you could make it work with a swing-open window and some cardboard.