Hi all -
I have a problem getting smoke out of my apartment (I actually like being able to smoke inside though).

The problem is that I have 3 awning windows all on the same wall and no crossdraft. I bought a air purifier but I really need to attach something to the window at night, to get rid of more of the smoke.

I can't take the screen out so whatever I attach would lay flat to the window, like a duct or fan but I'm not sure how to design it.