When my classroom was above the kitchen's I had a similar problem, it is not just your smell though it is all those smelly teenagers. Not only that in my old room I had the smell of sweaty boys mixed with chip fat!
I use mitchum as although my present room is not as hot the windows don;t open.
Have never heard of those dress shields and certainly never saw them on trinny and susannah.
Dp has some things that pong as I iron, I may investigate borax.