Climate idea
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Saving Energy Group

Climate idea

Using the temperature setting on a kettle is worth it

I have a kettle at home, which allows me to set the temperature. I use this feature every day to save energy and because boiling water for tea to 100°C (212°F) doesn't make sense: I would have to wait for the water to cool down again before I can drink it. While this device was more expensive than a simpler kettle, I was curious how soon this investment pays off. So, I did some calculations:
Let's assume I boil 1 liter of water a day at 70°C (158°F) instead of 100°C (212°F).
Heating the water 30°C less (54°F less) requires 125.4 kJ less energy, which is equivalent to 0.035 kWh less electricity a day. Or 12.81 kWh less electricity a year.
Assuming the electricity price is €0.48 per kWh, this equals to €6.15 a year.
Assuming the kettle was €20 more expensive than a simpler design, it just takes 3 years and 3 months for the investment to be worth it.
Conclusion: investing in a kettle with a temperature setting is worth it not only because it saves energy, but is also cheaper in the long run.

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  • George Kariuki

    11 w

    That's a fantastic analysis!

    3
    • Rashid Kamau

      12 w

      Thanks for sharing,really helpful.

      3
      • Esther Wanjiku

        12 w

        A very good piece this one

        3
        • Kevin

          12 w

          Amazing and interesting insights here

          3
          • Elizabeth Gathigia

            12 w

            Very informative, thank for sharing

            4
            • Princess

              12 w

              Great insight!

              8
              • Abraham Jok Atem

                12 w

                Am glad to learn this from you. I didn't have a kettle before but am now set to get one which will help me to set the temperatures

                3
                • Simon Bergbom

                  12 w

                  Interesting! I got a kettle with a temperature setting as well. I actually got it more for baking needs but this is awesome. Thanks for sharing!

                  8
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