The growing diffision of small power, gas-fired individual units for space heating and service hot water production, as well as concern about operational safety issues, has promoted greater attention to the understanding of ventilation mechanisms in the dwellings equipped with such units. Within a joint research project between Politecnico di Torino and Italgas, an experimental campaign has been conducted in order to investigate the influence of purpose-provided ventilation openings (sized according to the national UNI-CIG 7129-72 standard) on air changes and IAQ.
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