This is the 5363rd most frequent Russian word.
отопительном
"Heating" (related to a heating system).
'отопительном' refers to a time period related to heating, specifically during the heating season.
В нашем доме установлен новый котёл в отопительном сезоне.
In our house, a new boiler was installed during the heating season.
'отопительном' here describes something pertaining to heating, in this case, a workshop specialized in heating systems or operations.
Работы в отопительном цехе продолжаются.
Work in the heating workshop continues.
'отопительном' here relates to the sector or field associated with heating and its relevant operations.