Calculate engine room ventilation requirements per ABYC H-32 and USCG regulations
Input Parameters
Results
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Ventilation Required
CFM
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Blower Size
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Min Inlet Area
sq in
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Applicable Regulation
Reference
ABYC H-32 / USCG 33 CFR 183:
Gasoline: powered ventilation REQUIRED (spark ignition)
Diesel: natural ventilation often sufficient
Min airflow: 1 CFM per ft³ engine room (gas)
Blower must run 4 min before starting gas engine