Naming in Building.HighOrder.House.MFD.EnergySystem.OneAppartment.Radiators inconsistent
The naming of the radiators is not consistent throughout the code, e.g. radiatorKitchen but radiator_bath, the child's radiator is called radiatorCorridor.
With respect to the rest of the code I'd rename the radiators to "radiators_whateverroom" if nobody objects