I finally gave up to the heat 5 days ago.
Since the apartment doesn't use sliding windows, I can't install a window-mount A/C unit on my window.
I have no choice but to get the type that sits on the floor.
But for that type of A/C unit, I need to connect two air hose to the outside.
The mounts that came with the A/C are for sliding windows...
So I have to make my own mount.
The first night, I have limited time, so i just made it out of cardboard and duct tape.
A removable piece was used to cover the top hole so I can leave the window open during the day.

Cardboard and duct tape
There was one problem with cardboard and duct tape: takes too much time to set up properly.
I ended up with air leaks.
I just happen to have a scrap piece of fiber board at home.
So I decide to make a stronger mount that seals perfectly everytime.

I did not know fiber board dust on a vacume hose acts like metal dust on a magnet.

Drawn the holes I need to cut.

Hole cut.

Three of these L will hold up the cover board that I only put up when A/C is on.

The mount looks like this. One is for intake, the other is for exhaust. The black border is foam tape.

securely mounted to the window by three metal straps.

The window cover. More foam tape.

The top of it is held in place by mirror clips.

Due to time limitations, I didn't manage to put the lock on. I found some medium size L brackets, and twisted it into something that will prevent the window cover from falling down. Except it didn't hold the cover against the window and air leaked.

The next day, I found some steel strap and used it to hold the cover tight against the window. No more air leak. Also notice the hole that resulted from my "Cut first, measure later" habit. Also notice tha box I used so the heat from the exhaust won't melt my window blinds.
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