How to reduce carbon emissions with low temperature zones in district heating

Low-temperature networks reduce losses in heat transmission and distribution, as well as integrating renewable thermal energy sources.

The deployment of this new type of network is under way, but the transformation of existing (high-temperature) networks can be tricky:

The existence of consumers requiring high temperature forces the network operator to work at the maximum temperature required, while energy retrofitting of buildings would reduce the delivery temperature.

Grundfos offers a solution to be installed upstream of areas that do not require such high temperatures, which consists of a system for re-injecting the return loop into the flow line.

This system makes it possible to :

• Reduce losses in the zone concerned
• Reduce the temperature of the feedback loop
• Control the temperature as best as possible according to demand

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