Soffit Vent Area Calculator
Calculate the soffit vent NFA needed (typically half of total ventilation).
Soffit Vent Length
80.0 ft
Soffit NFA Required
720 sq in
Total NFA
1,440 sq in
Calculate the soffit vent NFA needed (typically half of total ventilation).
Soffit Vent Length
80.0 ft
Soffit NFA Required
720 sq in
Total NFA
1,440 sq in