Questions about ecofort ecoQ CoolAir 9+

It comes with a fabric/plastic window insert that you can adjust with a zip.

The hose diameter is 15 cm and cannot be adjusted to 10.8 cm. The existing hole with a diameter of 10.8 cm is too small for the exhaust air hose of this air conditioning system. A larger hole or a suitable adaptation is required to connect the 15 cm hose correctly.

Add water? You need to empty the tank if too much humidity

Long enough and yes, it also works with a tilt window