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February 20, 2008


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Patricia R. Dunlap

Hey Mr. Green,
What's this about on-demand water heaters? My husband recently did some research on them and declared them so expensive that they would never pay for themselves. Our regular (although wrapped) water heater is near its life's end, so we need to replace it. If the on-demand type is better, steer us toward one whose efficiency level will let it pay for itself in our lifetimes (we're in our 60s)? Thanks.

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