Heating substations

A heating substation is a fundamental heat exchange component in heating systems, connecting the district heating supply network to a building's heating system, i.e. internal heating appliances, thus providing the customer with a contractual amount of heat from the supplier while controlling the heat delivered to the building’s heating devices. 

 

INDIRECT AND DIRECT HEATING SUBSTATIONS

Heating substations are further classified as indirect, i.e. independent with two different water systems separated by the heat exchanger, and direct, i.e. dependent with district heating water used directly in the building’s heating systems.

An indirect substation is used when district heating network conditions, such as pressure and temperature, do not allow direct connection. When a substation is connected indirectly, it includes a heat exchanger to provide energy-efficient heat transfer while also ensuring that the primary network supply side and the secondary building installation side remain safely separated.

In this way, the building application works regardless of pressure or temperature variations in the district heating network (hydronic balancing) and is safe from pipe breaks or leaks.

The secondary building (customer’s) installation side is connected to heating devices used in radiator heating, heating with fan coils, underfloor and warm-air heating, ventilation, air conditioning and domestic hot water production, to name but a few, whether in industrial process heating operations or in public and residential buildings.

 

Heating substations

SIMON KTP 30 — Compact heating substation for heating purposes with flow stabilizers