online tool test

AHU Fan Power Calculator

Required Air Flow

CFM

Fan Efficiency

% (enter as percent e.g. 60)

Fan Total Pressure (optional)

IN. WG

Or: Fan Static Pressure

IN. WG

Air Velocity at Fan

FPM

Air Density

kg/m³

Options

Compute Total Pressure from Static + Velocity (checked = use computed)

If checked, the calculator will compute total pressure using static pressure + velocity pressure. If unchecked, it will use the "Fan Total Pressure" field.

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Fan Total Pressure

— IN. WG

Fan Power

— HP

Fan Power

— kW

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