yes
Mexico
GE hot water heaters are made by Rheem.
Mexico
Consumer reviews list several gas hot water heaters at the top of their list. Among them are Rheem, Reliance and Eccotemp. You can find a complete line of water heaters at stores such as Home Depot or Lowe's.
If you are referring to RUUD, they are now mostly made in Mexico.
They are made in various places in US, Canada and Mexico
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.
California
California
Tankless water heaters have been around about 30 years. I believe they may have first been used on European trains.
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.
Water heaters can weigh between 100 to 150 pounds on average. The weight of a water heater is influenced by factors such as its size, capacity, and the materials used in its construction. Larger water heaters with higher capacities tend to be heavier, as do models made with heavier materials like steel.