How do I get fresh air into a ventilation-free room?

[mac338]

So I'm renovating my old home, and there's a room I'd like to re-purpose for working conditions.
It's through the washing room, so it's hot and the air quality isn't great. After I'm done putting in the floor I'd like to find a way to make the room's air and temperature fresher. I have a minimum budget for this, barely a thousand bucks. The room has no windows and no ventilation. I also can't build ventilation to it. It's small, so I can't put any large machinery in it.
Any suggestions?

[FuckaNinja]

cut a hole in the wall and make a window instead.

[Riller]

[IMG]http://www.minhembio.com/bilder/bild/?pic_id=145244.jpg[/IMG]

[mac338]

[QUOTE=FuckaNinja;35264336]cut a hole in the wall and make a window instead.[/QUOTE]

If I did that I'd ruin the staircase.
It does not face the outside in any direction.

[editline]23rd March 2012[/editline]

Riller, fragrance is one thing, air quality is another. Though not a bad idea either way.

[Riller]

[QUOTE=mac338;35264362]If I did that I'd ruin the staircase.
It does not face the outside in any direction.

[editline]23rd March 2012[/editline]

Riller, fragrance is one thing, air quality is another. Though not a bad idea either way.[/QUOTE]

I don't think you heard me. I said.

[IMG]http://sampengshop.tarad.com/shop/s/sampengshop/img-lib/spd_20111007154531_b.jpg[/IMG]

[Kastro]

make a 8x6 5Volt Case fan board.and hang it from wall
And a little ac/dc transformator will work fine,
MAX will cost 300$

[Jack_Thompson]

Walk outside and breath in really deep, then when you get in there blow all the fresh air out.
Repeat ad infinitum.

[Digimutant]

Air purifier and a small air conditioner would probably be your best option.

[Gay4Grandad]

Use a hoover to get all of the air from outside and then blow it all into the room.

[Burgervich]

Tear down a wall leading to the outside.