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Air Change Rate
Room air change rate (ACH) from supply airflow and volume, with l/s per person and per m2 and a target check.
The Ensign ToolboxAir Change RateRoom air change rate (ACH) from supply airflow and volume, with l/s per person and per m2 and a target check.
Room
m²
m
Floor-to-ceiling; 3 m typical commercial
m³
Ventilation
m³/h
Measured or design supply into the room
no.
For the L/s-per-person metric (0 allowed)
Target
ACH
Design ACH for the pass/fail check
Enter the room size and supply airflow to calculate the air change rate