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Liquid freshwater represents 1% of all the water on Earth. In the wealthiest nations of the world, a large part of the freshwater and energy consumed at home is used to shower. For instance, in an average french household, 39% of this water is used for bathing and showering and hot water represents 12% of the energy consumption. It is therefore judicious to think about ways to reduce this consumption. The showerloop is a water recycling shower : water is in a closed loop, it fall again on my head once filtered and therefore clean. It is adequate in terms of water and energy savings, and the following calculator will illustrate this :

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°C
€/m³
€/m³

crwdns1852:0crwdne1852:0 €/m³ (?)

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min
°C

crwdns1864:0crwdne1864:0 ? €/kWh

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L/min

How to measure how much water flows from your shower every minute.

You will need :

  • One standard household bucket
  • One measuring jug with litre gradations
  • A timer or watch with a second hand
  1. Turn on the hot water fully, and then adjust the cold tap to ensure the shower is at your preferred temperature.
  2. Catch the water in the bucket for exactly 20 seconds. Ensure you catch all the water, don't allow water to spray wide of the bucket. Remove it from the stream as soon as 20 seconds is up.
  3. Pour the contents of the bucket into the measuring jug. Then multiply the total amount of water you collected by 3 and this will give you the flow rate of your shower in litres per minute.
  4. Obviously, do not throw away the water collected. Use it to wash the floor, water plants...
Close
? (8L/min for an eco, 20L/min for a regular showerhead (source))

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crwdns1876:0crwdne1876:0 ?€

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crwdns1890:0crwdne1890:0 ?€ crwdns1892:0crwdne1892:0 ?€

crwdns1894:0crwdne1894:0 ?€

You would save ?% of water compared to a typical shower

You would need ?kWh of energy to heat the water

You would need ?kWh of energy to run the showerloop

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You would save ?% of energy compared to a typical shower

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crwdns1908:0crwdne1908:0 ?€

You would need ?kWh of energy per year to shower, meaning ?€

You would have an annuel budget estimated to be around ?€

The purchase of the equipment would pay for itself in ? year(s)

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