How to make a window adapter to improve the performance of the portable air conditioner

Portable air conditioners at window kit for air exhaust pipes at 1) 00:00 Why use a window adapter 2) 00:57 How an air conditioner works 3) 01:55 Construction of the adapter 4) 06:32 Portable air conditioner noise audio 5) 07:23 Verification of energy efficiency In the suburbs born of the 1970s industrial political programming and built-in one night with a trowel, a cement mixer, and a bottle of cooked wine, here in Lower Molise in southeast Italy, the urban decor is a serious matter; therefore the adapter for Improvised cardboard window for the air exhaust pipe of the portable air conditioner which unfortunately has been defaced by the blows of the incisors by gourmet mice is to be replaced. There are various systems on the market to fix the drain pipe optimally, but for those who want time, just make a hole to hook the pipe and isolate everything else. In my case, since there is a small service window with a shutter,