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Heat Pump Water Heaters


Electric, air source heat pump water heaters are sometimes called "hybrid" water heaters. According to the manufacturer, A.O. Smith, these Energy Star rated units reduce water heating cost by up to 58% with a 3.42 Uniform Energy Factor. 50 Gallon Voltex Residential Hybrid Electric Heat Pump Water Heater

Solar

 If you have a conventional house, consider a solar attic fan which requires no wiring. An installer should never cut the structure to accommodate this - depending on the spacing, a rafter simply may run under the hole. A larger home may do well with 2 units.
Solar Attic Fan 36-watt - Black - with 25-year Warranty - Florida Rated by Natural Light

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