Pump Selector

Hydronic pump sizing — horsepower, motor, and operating point

Inputs

Flow Rate (GPM)

Total Dynamic Head (ft)

Pump Efficiency (%)

Motor Efficiency (%)

Fluid

Fluid Temperature (°F)

Voltage (V)

Results

Water Horsepower

—

WHP (hydraulic)

Brake Horsepower

—

BHP (shaft)

Motor Size

—

HP (next standard)

Input Power

—

Full Load Amps

—

A (estimated)

Flow Rate

—

lb/hr

Specific Gravity

—

relative to water

Annual Energy

—

kWh/yr (8,760 hrs)

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Do the full calculation in AIM Works

This calculator handles one step. AIM Works runs the complete MEP design workflow — thermal load calculations, duct & pipe networks, equipment selection, code compliance, and an AI design assistant — in one tool.

✓ ASHRAE 62.1 ventilation + CLTD/CLF/RTS load methods
✓ Darcy-Weisbach pipe & duct network solvers
✓ ASHRAE 90.1 / IMC / NFPA compliance checks
✓ 20 free AI design messages included in trial

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