The cost of a new electric water heater can vary based on tank size and installation fees. Get insights to budget effectively ...

Dear Jerry: My current 80-gallon electric hot water heater is 13 years old and working fine, but I thought it was a good idea to replace it now before problems start. The builder installed the 80 ...

A water heater might store 30 to 50 gallons of hot water that is warmed at intervals throughout the day. If you take a shower, the tank is topped up with cold water and must be heated.

Needing only 29 gallons of storage, the Rheem XR90 is able to heat water faster than any standard 50-gallon gas water heater. Plus, the XR90 costs less annually to operate than any standard 30 ...

IT WORKED. I use a 30 WATT (110 V) "re-circulating" pump, on a timer, and heat up the household Hot-Water-Heater TANK. All day, today, the temp of this water was average of +100 Degree F.

If you don't need more than 4 gallons of hot water at the sink you can just use cold water as the supply. Here's an example (pictured at right) of a point of use water heater for sale at Amazon.com.

In the 1990s tankless hot water heaters, first popular in Europe, appeared on the market in the U.S. They, too, are powered by gas or electricity, but there the resemblance stops.