Fan HP & Energy Cost Calculator

Brake horsepower, motor size, annual energy cost, and VFD savings
Fan Inputs
Results
Air HP
—
horsepower
Brake HP (BHP)
—
horsepower
Motor Size
—
HP NEMA
Input kW
—
kilowatts
Annual Energy
—
kWh/yr
Annual Cost
—
$/year
VFD Savings Estimate
VFD kW at Speed
—
kilowatts
VFD Annual Cost
—
$/year
Annual Savings
—
$/year
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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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