Does electric home boiler consume electricity all the time?

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Sorry if I maybe using incorrect words, English is not my first language. I’m in France and there’s a big electric water boiler which provides all the hot water in our apartment. I have 2 questions regarding the energy consumption:

1. I suppose it consumes electricity initially to heat the water inside, but does it keep consuming to keep them warm?
2. Between 10pm – 6am, the electricity cost is lower in our plan. Does that mean it costs us less if we use the hot water(shower/dishes) between these times?

Cheers!

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8 Answers

Anonymous 0 Comments

Objects do not consume electricity unless if they are actually doing work.

1. Your boiler keeps a certain amount of water at a high temperature. The boiler is isolated as best as possible to keep that water warm, but some heat will leak out. The boiler then replaces that heat by turning on for a bit to heat the water back up. The amount of energy lost depends on how good the isolation is.
2. yes, but it’s likely negligibly. I think it’s best to just use things as you need them.

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