Where the use of individual meters is not technically feasible or where it is not cost-efficient or proportionate in relation to the potential energy savings to measure heating or cooling in each building unit, individual heat cost allocators shall be used to measure heat consumption at each radiator unless it is shown by the Member State in question that the installation of such heat cost allocators would not be cost efficient.
Če uporaba individualnih števcev ni tehnično izvedljiva ali merjenje ogrevanja ali hlajenja v posamezni stavbni enoti ni stroškovno učinkovito ali sorazmerno z morebitnimi prihranki energije, se uporabijo individualni delilniki stroškov ogrevanja za merjenje porabe energije na posameznem radiatorju, razen če zadevna država članica izkaže, da namestitev tovrstnih delilnikov stroškov ogrevanja ne bi bila stroškovno učinkovita.