Quote:
Originally Posted by creditoria
I thought that if you keep the electric hot water heater turned on constantly you actually save on your electricity bill. The reasoning behind that was that if it turns on 5 times a day and just adds 5 degrees C to the water temperature inside, before it reaches the target temperature of say 60 Deg C, then the total work done (electricity spent) is for adding 25 degs.
On the other hand heating the whole boiler from 20 Deg to 60 deg once before you take a shower every evening /morning is for adding 40 degrees to the water.
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Sure, and if you are planning on making pasta tomorrow, go ahead and put the pot on the stove now and just keep it boiling until you are ready to make it.
Same concept, right?
I did this in my old house when I lived alone (can't quite get DH to agree to do it yet), but I had a natural gas water heater. I kept it on the vacation setting until I wanted to take a shower. 20 minutes heated it up nicely. It really cut the bill.