Wednesday, August 23, 2006

Free air conditioning

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Via DoL: "I came across this 'how to' tip describing how to air condition your home for free. Well, not really. It basically comes down to digging a large hole, insulating it very well, and then filling it with snow/ice over the course of the winter. It's an interesting concept - one that was used in the very beginning of air conditioning (Biltmore or some other 'estate' had a similar setup in the late 1800s) - but doesn't seem worth the trouble.

"I haven't checked all the math, but assuming it is correct, the author suggests about 1 million pounds of snow/ice would do the trick (for three months worth of air conditioning)."