This is the 3295th most frequent Russian word.
отопления
Heating.
Here, 'отопление' (heating) refers to the heating system within a building operating during colder seasons.
В зимнее время отопление работает на полную мощность.
In winter, the heating operates at full capacity.
In this sentence, 'отопления' denotes the heating system as an entity that required fixing.
Ремонт отопления занял больше времени, чем мы ожидали.
The heating system repair took longer than we expected.
Here, 'отопления' refers to the level or intensity of heating being provided in a room.