I made an air conditioner today! Basically, I bought a radiator from a junkyard, and some garden hose and pipe fittings from a hardware store. The radiator has the icy cold tap water running through it, and the fan pulls air across the fins. The temp in this place has gone from like 85 to closer to 75. Awwww, yea-uh!!! ... Sometimes I'm so good, I scare myself. That's all for now.
Not really... It's a total loss thing, the water goes into the radiator from the faucet, through the radiator, back through a hose to the tub, and out. Yeah, it's innefficient as all hell, but the water is free (for us), and the landlord's a dick.