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❓What is the formula for calculating number of air changes in an area?

🅰. Number of air changes/hour in an area is

= Total Room Airflow In CFM x 60

Total Volume of room in cubic feet

For calculating Total Room Airflow in CFM, first calculate air flow of individual filter. Formula is given below.

Air flow (in cfm) = Avg.air velocity in feet/Minute x Effective area of filter

Then find Total air flow. Formula is

Total Air flow = Sum of air flow of individual filter.

Air flow Velocity can be measured with the help of Anemometer

👉🏻swapnil✌🏻

❓What is the formula for calculating number of air changes in an area?

🅰. Number of air changes/hour in an area is

= Total Room Airflow In CFM x 60

Total Volume of room in cubic feet

For calculating Total Room Airflow in CFM, first calculate air flow of individual filter. Formula is given below.

Air flow (in cfm) = Avg.air velocity in feet/Minute x Effective area of filter

Then find Total air flow. Formula is

Total Air flow = Sum of air flow of individual filter.

Air flow Velocity can be measured with the help of Anemometer

👉🏻swapnil✌🏻

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