A power inverter, inverter, or invertor is a device or circuitry that changes (DC) to (AC). The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of which were originally large electromechanical devices converting AC to DC.
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According to the U.S. Department of Energy, three-quarters of American homes have air conditioners. The energy used by power plants to support that many air conditioners produces 117 million metric ton.
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