| | Please consider adequate reserves for domestic hot water preparation!While the heat requirement of a buidling can be determined by the size and condition of the bulding, the domestic hot water requirement strongly depends on the individual habits.
In order to fulfill nowadays comfort demands, the water consumption per person should be estimated with 80 to 100 litres per person with a temperature of 45°C.
To avoid having to take cold showers, the power of the unit has always to be designed according to the peak demand.
If you count with a reference value of 0.25 kW per person you are save.
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