Price / Lestung good

That such devices are in principle problematic with regard to effectiveness, noise and handling, the purchaser must be clear beforehand.
The WDH is very powerful and, thanks to his roles well moved.
The exhaust hose is a little stubborn, as very stable.
It's no fun to find blow-job in the apartment (windows, doors), as significantly much warm air will come back. The supplied rail is not suitable for "German" window, more for the closing of the top-down US-windows.
That is what even tinker, install the Velcro precast or cut hole in the wall.
Large spaces creates the device easily to cool down.