Just did a quick google search and found this. Pretty interesting and nice to see someone else do the math (so I don't have to haha).
http://www.elitesoft.com/sci.hvac/iticehou.html
Quote:
It's 85 F so far here today, and it's supposed to hit 100... How much ice does it take to keep a house cool in the summer?
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It takes about 144 Btu/pound to melt ice, and warming the water from 32 F to say, 72, requires another 40 Btu. Say 200 Btu/lb in round numbers. So each hour of summer AC requires 75 pounds of ice to begin with, ignoring the heat leaks to the ice battery itself...
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So, from his calculations, you have roughly 10k BTUs of cooling in 50 lbs of ice. Not insignificant, but not a huge amount either. Thats the equivalent of running a window A/C unit for a few hours depending on the size.
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Last edited by Daox; 05-24-13 at 02:00 PM..
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