Abstract: The present disclosure provides, among other things, a radiator system, its components, as well as methods of mounting and/or installing thereof. Provided components include radiating fins arranged around a water pipe to form a core assembly. The radiating fins may include a collar and/or reflare and are spaced in the core assembly to permit airflow through the system. The core assembly may be mounted by support elements on hangers from a back plate which is wall mountable. The support elements may create space for airflow between the core assembly and a front casing and/or the back panel. Provided systems, components and methods are useful in commercial and residential baseboard radiators.