Most people wait until their water heater breaks down before shopping for a new unit.
Since they are in a hurry to restore their hot water supply, they usually don t take the time to shop for the unit that best meets their needs. This situation can easily be avoided with a little planning. If your current water heater is at least seven years old, read this section carefully, evaluate your hot water needs and begin comparing the various types and models. Familiarizing yourself with the options today will allow you to make an informed and energy-wise purchase tomorrow. Even if your system is still working, it often makes sense to replace an inefficient water heater.