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    Construction & Electrical

    Ventilation Airflow from ACH

    Ventilation Airflow from ACH performs a browser-local calculation using measurements and quantities you control. The results are presented as labelled figures so each number is easy to interpret. Target ACH is supplied by the user, not derived from legal occupancy tables.

    MAKE IT SIMPLE
    Formula assumptions and scope

    Target ACH is supplied by the user, not derived from legal occupancy tables.

    Result

    Worked examples

    Room floor area (m²): 60, Room height (m): 2.7, Target ACH: 4

    Room volume: 162 m³

    Using these sample input values gives the first labelled output above. Target ACH is supplied by the user, not derived from legal occupancy tables.

    Questions & answers

    Can I use the default numbers for purchasing or safety certification?

    No. Replace the examples with your real values. Target ACH is supplied by the user, not derived from legal occupancy tables.

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