A. O. Smith launches its newest hybrid electric water heater, the Voltex 50-gal. heat pump as an extension of the existing Voltex line. An Energy Star-qualified product, the 50-gal. Voltex has an Energy Factor of 2.75; homeowners can save an average of $350 per year compared with standard electric models. The Voltex is truly user friendly, with an easy to use electronic interface, multiple operating modes to meet homeowner needs and quiet operation.