Room Pressurization Calculator
Calculate airflow for pressure control
Room Dimensions
Pressure Requirements
Typical door gap: 0.05-0.15 sq ft
Airflow Requirements
Supply Air
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Exhaust/Return Air
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Pressure Offset
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Room Volume
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ACH Airflow
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Leakage Rate
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Common Requirements
| Room Type | Pressure | Min ACH |
|---|---|---|
| Operating Room | Positive | 15-20 |
| AII Room | Negative | 12 |
| PE Room | Positive | 12 |
| Pharmacy (IV) | Positive | 30 |
| Laboratory | Negative | 6-12 |