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Online Calculation of Room Ventilation Time

Fan Capacity, m³/h
Room Area, m²
Ceiling Height, m
Fill in all fields to calculate

Ventilation Time Calculation:

T = (S × h) / (Q / 60)
where:
T - time required for the fan to complete one full ventilation cycle
S - room area, m²
h - ceiling height, m
Q - fan capacity, m³/h

Air Exchange Rate Calculation:

k = 60 / T
where:
k - air exchange rate per hour
T - time required for the fan to complete one full ventilation cycle

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