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What is the most popular water heater style sold in the U.S. today? If you guessed the tankless water heater, guess again. Although the energy savings available with a tankless style water heater are impressive, tank style water heaters are still the most popular sold every year.
The thermostat is the part of the water heater that controls the temperature. Typical settings for residential water heaters range between 120 and 180 degrees Fahrenheit, though most manufacturers recommend not exceeding 140 degrees in order to prevent risk of scalding.
A tankless water heater typically incurs lower energy costs because water is heated on demand instead of remaining warm and ready in a dedicated reservoir. Care to guess the other common name for a tankless water heater? If you guessed a "point of use" water heater, you're right.
Electric water heaters typically feature two electric resistance elements, one at the top of the tank and one at the bottom. Separate thermostats control the elements. The upper element is used during periods of high water use.