Homemade air conditioner

Here’s a cheap homemade air conditioner made from an insulated polystyrene box, icewater, aquarium pump, copper tubing and a fan. [via] – Link.

Hot? Other other homebrew air conditioners:

• Air conditioner make out of LEGOs – Link.
• Poor Man’s Air Conditioning… – Link.
• DIY cheapest air conditioner in the world – Link.
• Teens invent economical air conditioner – Link.
• Homebrew Air Conditioning for under $25 – Link.