Tuesday, August 22, 2006
Could you shovel enough snow in the winter to cool your house all summer?
It certainly would be an easy system to build. All you need is a big insulated container with some coiled tubes at the bottom. You would run a chilled water circuit from the container to a radiator inside the air conditioner. You would need a small pump to pump the water in the chilled water loop, but that's it.
read more | digg story
read more | digg story