Hot water heaters don't last forever. Ten years is about when you have to consider replacing them. In 15 years, a replacement is generally past due.

The good news is that there are newer hot water heater technologies to consider. The newer technologies are often more efficient, cheaper to operate, and better for the environment.

First, let's consider my favorite: the tankless heaters. They are better for the environment because they heat water only upon demand. There is no waste with this technology. And because they don't store hot water awaiting use, tankless heaters save the energy needed to maintain stored water at the desirable temperature...

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