VFD Energy Savings Calculator

See how pumps, fans and other variable torque motors save more than 25% when controlled with a variable frequency drive (VFD)

% Speed % Hour
100% Hours / Day
Days / Week
Hours / Week 168
Hours / Year 8,760
90%
80%
70%
60%
50%
40%
30%
20%
10%

100 %
Motor size (HP): Efficiency (%):
Input voltage (V): Frequency (Hz):
Full load current (A): Speed (RPM):
Full load input power (kW): 20.1 kW

VFD Cost ($):
Electricity rate ($/kWh):

Estimate annual operation cost
without VFD:
$23,998
Estimate annual operation cost
with VFD:
$12,088

Your Annual savings: $11,911

Payback time: 3.53 Months.

Note: Exact energy savings may vary.
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