One or Two Tanks?
A version of this article appears in the September/October 2006 issue of Home Energy Magazine.
September 11, 2006
Q. Is it cheaper for a homeowner to run one 100-gallon gas hot water tank or two 50-gallon tanks? There are six heavy water users in our household. How do you figure the cost? Do you include the outside surface heat loss and recovery rate? Do you just keep it simple by calculating what it takes to heat a gallon of cold water coming into the tank?
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