Saving Heat Investments
Solution

Water saving shower heads

Saving (Typical Example)
36 m3 water/yr, 1900 kWh/year
Saving Explained

Low-flow shower heads use 5/minute instead of 10-20 liter/minute. SAvings with a 10 min. shower is around 10mx10l = 100 ltr, in a year that is 36m3. Each m3 of hot water, heated 45'C takes 52 kWh to heat, annual heat saving is 1900 kWh.

Investment

Cheapest 10-20 EUR (DK)

More information

See for instance https://www.smartwatermark.org/WELS/showers/

Read also