How much heat does a cubic meter of water need to rise from 20 to 30 degrees If you use an electric heater, how many kilowatts of heater do you need Excuse me: does 1 kilogram of water need 1 calorie per liter?

How much heat does a cubic meter of water need to rise from 20 to 30 degrees If you use an electric heater, how many kilowatts of heater do you need Excuse me: does 1 kilogram of water need 1 calorie per liter?

One cubic meter of water weighs 1000 kg
1000 * (30-20) = 10000 kcal
If you want to finish heating in one hour, the power is 10000 kcal / h, which is about 12 kW
If you want to finish heating in 0.5 hours, 20000 kcal / hour is equivalent to about 24kw

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