Has anyone install one?
What are the benefits?
The Patented KVAR UNIT is a UL/CSA/EPA listed product, has a FIVE year warranty
and with a 6% to 10% energy savings the
investment return is 36 months or less. Lower monthly power bills, decreased
heat dissipation in all inductive load
appliances, thus extending their productive life cycle and complete power surge
protection for the entire home or
1. As SQLit said major effect of increasing the power factor is only of
economic advantage if the utility meters the power factor and charges
for it. Not likely on residential.
2. Propaganda on reducing residential killo-Watt-hours (power) by about
12% IMHO is bullshit. With low power factor the Volt-Amps may be reduced
but not the power since power takes into account the phase angle between
voltage and current.
3. With a low power factor there would be some reduction in current and
thus some reduction in heat loss in wire. This would be quite low in
residential. Connecting the device at the service, as shown, will lower
the losses in the wires from the meter to the service, as short run of
4. From what I saw in the patent application, conviently supplied by
Roger, the amount of correction is manually set with switches. If you
have one motor running and correct the power factor, the correction will
be wrong if you turn off the motor or add another motor (or turn off 1st
motor and turn on 2nd motor). Over correcting (when the 'motor' is
turned off) is also a problem.
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