This is the 14380th most frequent Russian word.
отопление
Heating.
In this sentence, 'отопление' refers to the system used to provide heat to spaces, illustrating its primary usage as 'heating'.
У нас центральное отопление в доме.
We have central heating in the house.
Here, 'отопления' is used in the genitive case to talk about the system's functionality, again as 'heating' in context.
Зимой важно следить за исправностью отопления.
In winter, it's important to ensure the heating system functions correctly.
In this example, 'отопление' is presented as a service for which there is a cost, emphasizing its use as a noun referring to heating.