English version

underfloor heating

From Longman Dictionary of Contemporary Englishunderfloor heatingun‧der‧floor heat‧ing /ˌʌndəflɔː ˈhiːtɪŋ $ ˌʌndərflɔːr-/ noun [uncountable]  a heating system that is designed to go under the floor in a building
Examples from the Corpus
underfloor heatingIt is fully double glazed, and ventilation plus an underfloor heating system means it can be used all year round.Available in 2 m widths, it can be seam welded to cover large areas and is especially good over underfloor heating.The substantial remains of the cavalry fort include a bath house showing the sophisticated workings of the underfloor heating system.With the underfloor heating at a bare minimum, it gave out considerably more heat than wood, and I loathed it.
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