A water heater accounts for around a 14% of the total amount of electricity used at home.
To calculate the electricity usage of a water heater it is not that straight forward.
It is possible to get the water heater power consumption from it’s specifications label and with that value calculate the approximate electricity cost. For that, on the next section, we have left a handy calculator.
But, a the heater it is not drawing electricity all the time. A water heater stops drawing electricity once the water is hot enough and starts drawing electricity again once the water heat drops below a predetermined threshold or if it needs to heat up incoming cold water.
Also, the electricity consumption will depend on the water heater settings so the only way to get an accurate value for the electricity consumption of a water heater it is to use a device that can measure the electricity consumption over time.
If your water heater it is plugged to a socket, it is possible to use a plug in power meter to get an exact electricity consumption value. On the video below we are explaining what is a plug in power meter.
The calculator below can be used to calculate and approximate power and cost consumption of a water heater over time.
You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.
Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would like to learn more about them, have a look to this video that we have prepared for you.
Energy conservation can be defined as the decision and the act of using less energy
Energy conservation both benefit you and the environment
The act of saving and conserving electricity does benefit you because you will be paying less on your energy bills.
And it also does benefit the environment because conserving electricity prevents any unnecessary waste of natural resources.
Now, at individual level it may not look worth to try to save a few watts here or there.
Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.
For example, if 9000 households would manage to save as little as 10 Watts per hour (0,01 kWh) worth of electricity per day, that would add to 32850 Kilowatt hour (kWh) per year.
That is a considerable amount of electricity, but let’s add additional perspectives for clarity:
In any case it is clear that small energy savings do really count when looking into the bigger picture.
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