Electricity usage of a Water Heater

A water heater heats up water in your home to provide you with hot water for your daily needs. Electric water heaters are typically running for 3 hours a day to heat water, newer more efficient models may run for only half the time during each day. A typical water heater will use around 4000 watts.

Click calculate to find the energy consumption of a water heater using 4000 Watts for 3 hours a day @ $0.10 per kWh.

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Hours Used Per Day: Enter how many hours the device is being used on average per day, if the power consumption is lower than 1 hour per day enter as a decimal. (For example: 30 minutes per day is 0.5)
Power Use (Watts): Enter the average power consumption of the device in watts.
Price (kWh): Enter the cost you are paying on average per kilowatt hour, our caculators use the default value of 0.10 or 10 cents. To find an exact price check your electricity bill or take a look at Global Electricity Prices.

The average use of hot water in a household is around 45 gallons per day, to lower the electricity usage you can lower your hot water use. Invest in low-flow shower heads and faucets, use cold water for washing your laundry, turn off water when brushing your teeth or while shaving, take quick showers and less baths. You can also look into investing in a more modern and efficient water heater, especially if you are still using an older model.

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