Electric water heaters work from the inside-out, by warming “elements”, or rods, submerged in a water storage tank, transferring heat from the elements to the water. Although electric water heaters operate as much as 50% more efficiently than their gas-powered counterparts, electric water heating bills can be as much as double.
Without going into too much detail, a lot of the cost to heat water with electricity is wasted in the generation and transmission of
the electricity in the first place.
There are three types of electric water heaters:
Standard Tank – typically, electric tanks are rated around .90.
You might think that’s as good as a gas tankless, but again, considering the design and the laws of thermodynamics,
let’s just consider this a baseline, and not an indication of the same cost savings as you’ll see with a gas tankless water heater.
With In this kind of tank, picture two elements getting red hot and transferring heat to your water.
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