Basic ventilation airflow calculations

Additional notes on basic ventilation airflow calculations Here are simple introductory calculations for the airflow and roof ventilation turbines needed in a building, for study and practical reference. Calculating airflow Determine the dimensions of the room to be ventilated.…

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Additional notes on basic ventilation airflow calculations
Here are simple introductory calculations for the airflow and roof ventilation turbines needed in a building, for study and practical reference.
Calculating airflow
Determine the dimensions of the room to be ventilated.
Measure its width, length and height.
Airflow ( CMH) = Room volume x AIR CHANGE

Suggested ventilation rates
Type of ventilated area	Air Change	Type of ventilated area	Air Change	Type of ventilated area	Air Change
Showroom	6-20	Casting process	15-60	Production room	30-60
Meeting room	4.-15	Repair workshop	6-30	Project planning room	20-60
Bakery	20-60	Laboratory	12-30	Recreation room	7.5-30
Bank	6-20	Glass factory	30-60	Residential area	12-30
Beverage bar	15-30	Gymnasium	6-30	Dining room	6-12