I've never had any residual water in it. I've been using the appliance for 3 seasons. The condensation water is blown out into the open via exhaust air.

No idea

Hello. yes, the hose must go outside. of course, you then need a window kit because otherwise the warm air comes back in through the window. Sun King Window Kit

In high summer and max power up to 900 watts. Pure dehumidification (without cooling) consumes approx. 300 watts.

A statutory warranty of 12 months applies to used and tested products.

Maybe you will find what you are looking for here: https://www.ersatzteilblitz.de/gruppen2/DELONGHI/Klimager%C3%A4te.html Or google could also help ;) I don't know if digitec offers it. I think not.

We work with different suppliers and daily prices. For this reason, the price of an item may be adjusted up or down over time.

Yes, an exhaust hose is also included. Greetings MH

Unfortunately, the manufacturer here only specifies the suitable room size in m3 and for this reason we have no way of telling you the suitable room size in m2 here. Sorry.