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I won't comment much on the rant except to say that I agree that Legend is not particularly forthcoming in describing how the Harmonizer works. That may be because all of the benefits they claim could be achieved by other methods without using their product, for instance by changing transformer...

jraef( and RiverBeaver) I agree,the Harmonizer looks like snake oil at first glance, but on taking a closer look, it seems to have some merit. The references and the case studies at the Legend Power website seem to be good and the tests we've done are good, too. Energy savings for incandescent...

Thanks RiverBeaver I assume that most Utilities supply power to customers through a step-down transfomer that has taps to adjust the output voltage. Couldn't customers achieve the same energy cost savings by having the Utility adjust the voltage taps lower at presumably much less cost?

You're right, this is one of the worries that I have.

These units are quite small- smaller than transformers of equivalent rating, and they don't give of that much heat- a 1500 kva unit has only 519 watts iron losses and 1000 watts copper losses at full load. An electric water heater would draw less power for a longer period of time, but since the...

A supplier is offering to sell us an Electrical Harmonizer which he claims "Optimizes incoming voltage to appropriate utilization level" for energy cost savings. This device is actually a step-down transformer that reduces the voltage by about 6% from say 485 volts to 455 volts, the idea being...