I got a Princess 12k BTU one last year, noisy as hell and vibrates the hell out of the floor so you can't sleep with it on, but it works well. Yes, you get a sticky velcro seal to stick to the inside frame, you stick the pipe out the window and zip it closed, sealing the window. You have to do this to stop the cold air escaping and hot air coming back. The pipe which came with mine probably extends to around 2m, but it's very rigidDo you have to have the pipe running out to a window? Does it fit all windows? How long is the pipe? My window is at least 1.5-2 meters away from where the bottom of the machine would be.
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