Heating water consumes a huge proportion of the energy used in most households. Much of this energy is wasted because the water is heated & then stored until needed. While it is stored, heat escapes, water cools & has to be heated again.
More energy is wasted because water is required at a range of temperatures. Washing the dishes in a dishwasher requires hotter water than a shower. Existing solutions heat water to a temperature too high for most purposes (wasting energy) & then mix with cold as necessary.
One solution is instant hot water. I.e. heat the water only when it is required, eliminating heat loss from stored water. Problem with previous systems which used this method was the huge power demand when the water was actually heated.
Solution: heat water, only when required, using microwaves. Losses due to inefficient resistance heaters & hot water storage are eliminated. Further energy is saved by heating water only to the temperature required.
http://www.dvice.com/2013-6-8/hot-water-supplies-are-better-when-microwaved / energy bills electricity gas run running out of hot water halfway through shower save saving saves WanderPort tank tankless microwave energy heater precise water temperature requested by user without wasting time heater heating water continuously heat traditional water heater heater six or seven gallons water every minute taking a shower never run out of hot water waste wasting your energy you also save money bath tub /
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