EcoDriveSmart/VFD Savings Calculator

Estimate VFD Energy Savings & Payback

Model annual energy use, operating-cost savings, and simple payback for variable-speed pump and fan applications using your motor size, run hours, utility rate, and operating profile.

VFD energy savings calculator

Estimate annual savings and simple payback

Enter the motor size, annual operating hours, electricity rate, and typical flow or speed demand. Add the expected VFD cost to estimate simple payback. Results are planning estimates for variable-torque centrifugal pumps and fans; actual savings depend on the system curve, static head, motor and drive efficiency, control method, and operating profile.

VFD

Suggested VFD

ODP-2-22075-1KF42

ODP-2-22075-1KF42

General-purpose drive recommendation for pump and motor control.

Estimated annual cost savings

$0
0 Annual energy saved
0 Simple payback
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Method: motor input power is estimated from HP × 0.746, then adjusted by annual run hours, the entered electricity rate, operating demand, affinity-law power reduction, static-head allowance, and estimated VFD losses. Simple payback equals the entered or recommended VFD cost divided by estimated annual cost savings. Use this result for preliminary budgeting and confirm final savings against the pump or fan curve and measured duty cycle.