Another typical panorama for the multifamiliar houses is that the domestic hot water is provided by the decentralized domestic warehouses of the hot water in each apartment.

The auxiliary energy of the decentralized warehouses of the hot water is often electricity.

The system of heating of space can be a boiler or a central system of the urban heating, or boilers decentralized in each apartment.

A thermal system to pave in both cases would be integrated in the individual domestic warehouses of the hot water and not to provide no heat for the heating with space.