Modelling hygrothermal performance of roof and floor structures with an energy-efficient constant output heating

Jarkko Piironen, Juha Vinha, Mihkel Kiviste

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    Abstract

    In order to improve the energy efficiency of summer cottages in Finland, the effects of a constant output heating in unoccupied cottages are studied. The idea is to apply a minimum amount of energy in order to avoid moisture-related damages on structures and movables.

    The modelling results of most commonly applied roof and floor structures in Finnish summer cottages show that heating is not always necessary, but in some cases, depending on structure’s materials, ventilation and vapour barrier, the hygrothermal performance may need heating so that the indoor temperature is kept at 3–5°C above the outdoor temperature.
    Original languageEnglish
    Pages (from-to)694-699
    JournalEnergy Procedia
    Volume132
    DOIs
    Publication statusPublished - Oct 2017
    Publication typeA1 Journal article-refereed
    EventNORDIC SYMPOSIUM ON BUILDING PHYSICS -
    Duration: 1 Jan 1900 → …

    Publication forum classification

    • Publication forum level 1

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