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Solar heaters are useful for heating water with natural energy, thus saving electricity. The question is can effective solar heaters be made for less cost than using the electricity.
They are made all over the world. Those sold in the U.S. for the most part are made in the U.S. or Mexico.
Most hot water heaters will develop small leaks around the welds in 10-12 years. Heaters are made of much thinner, cheaper material than they used to be. -The actual wall thickness of a typical water heater today is 1/16 inch, and no interior protection against rusting.
If you mean an electric furnace then normally it is nichrome. a heating element in a heat strip is made of what type of wire
In most homes water is made hot by an electric or gas water heater. The electic element or gas flame comes on and heats the water to the required temperature , usually around 135 f in most heaters. The heater then shuts off until it's activated again by a thermostat indicating that the water temperature has dropped.
Tubular heaters are not specifically made for the purpose of heating oil. There are tubular heaters that use oil as a means of heating but they are not made to heat oil.
Solar heaters are useful for heating water with natural energy, thus saving electricity. The question is can effective solar heaters be made for less cost than using the electricity.
GE hot water heaters are made by Rheem.
California
Iron - or an alloy of iron with other elements such as chromium and/or tungsten.
Nichrome but nichrome is made out of nickel and chromium
Caramel is made from sugar by heating it.
California
yes
Fortunately, no !
If you are referring to RUUD, they are now mostly made in Mexico.
Tankless water heaters have been around about 30 years. I believe they may have first been used on European trains.