http://www.kansascw.com/kscw/thecrew/green/sns-hot-water-heater-tip,0,7203673.story

kwch.com

Hot water heater settings

By Karen Klages

Chicago Tribune staff reporter

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Set your hot water heater no higher than 120 degrees.

Setting it higher wastes $36 to $61 annually in heat lost to the surrounding basement area and more than $400 a year in demand loss.