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    Construction & Electrical

    Room Air Changes per Hour

    Room Air Changes per Hour 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. Geometric ACH does not validate ventilation code, infection control or airflow distribution.

    MAKE IT SIMPLE
    Formula assumptions and scope

    Geometric ACH does not validate ventilation code, infection control or airflow distribution.

    Result

    Worked examples

    Room length (m): 6, Room width (m): 4, Ceiling height (m): 2.5, Airflow (m³/h): 300

    Room volume: 60 m³

    Using these sample input values gives the first labelled output above. Geometric ACH does not validate ventilation code, infection control or airflow distribution.

    Questions & answers

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

    No. Replace the examples with your real values. Geometric ACH does not validate ventilation code, infection control or airflow distribution.

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