Danish Dwellings with Cold Attics—Ventilation Rates and Air Exchange between Attic and Dwelling

نویسندگان

چکیده

Naturally ventilated cold attics are traditional in many Danish single-family homes. The moisture balance of these is dependent on sufficient ventilation for removal excess moisture. Moisture generated the dwelling below, and transported to attic spaces through convection diffusion. Therefore, airtight ceilings vital reduction moisture, which may yield mould growth attic. If spores migrate it can cause risk health concerns occupants. presents study includes analysis tracer gas temperature/relative humidity measurements, 30 dwellings/attics. measurements yielded results both air change rates dwellings, as well exchange between two zones. Four houses, met recommended rate 0.5 h−1, only summer. was found be higher, with larger variation compared dwelling. Visible three attics, all exhibited low rates. Air zones occurred houses without vapour barriers. downward summer, however slightly cases These highlight importance performance.

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ژورنال

عنوان ژورنال: Buildings

سال: 2021

ISSN: ['2075-5309']

DOI: https://doi.org/10.3390/buildings11020064