Is it cheaper to leave the immersion heater switched on ?

Is it cheaper to leave the heating on all night ?

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Gas boiler vs immersion heater - part 1 - which costs more to run for hot water?

Is it cheaper to heat water with gas or electric?

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Hot water heater insulating jacket: How much savings

Would it be cheaper to run one electric oil heater or one central heating radiator.

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What's the right way to leave a water heater during vacation?

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How to use Electric Dual Immersion hot water tank correctly

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Immersion heater problems

Which is cheaper to run gas or electric hot water heater?

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