How much fresh air should be added in the AHU room

Question

Accepted Answer

The amount of fresh air added in the AHU room depends on various factors such as occupancy, ventilation requirements, and air quality standards.

The ASHRAE standard 62.1 provides guidelines for determining the minimum ventilation rates based on the number of occupants and the type of space.
The fresh air intake should be sufficient to dilute indoor pollutants and maintain a healthy indoor environment.
Factors like the presence of volatile organic compounds (VOCs), carbon dioxide levels, and humidity should be considered when determining the amount of fresh air.
Proper air balancing and regular maintenance of the AHU system are essential to ensure the delivery of adequate fresh air.
Monitoring indoor air quality through sensors and periodic testing can help in adjusting the fresh air intake as needed.

Accepted Answer

This rate can be more easily calculated by allowing 5 CFM per 100 square feet of floor area. In addition to this minimum, continuous ventilation rate, HRVs and ERVs often have additional capacity to provide higher ventilation rates to meet the occupants' needs

Accepted Answer

Installed fresh air damper in AHU ROOM

How much fresh air should be added in the AHU room

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