Courtesy GE

Heat-pump water heaters can save homeowners hundreds of dollars a year on hot water bills but they're up to three times more expensive than traditional units. And now, just four years after its introduction, GE will quit manufacturing its GE GeoSpring heat-pump water heater.

According to Green Building Advisor, the move is due to low sales: Consumers have not been enticed to spend more on the ultra-energy efficient products.

At the GeoSpring website, the manufacturer said the units could save as much as $330 in water heating costs annually for a family of four and up to $490 annually for a family of five to six people. Despite those savings, as well as a variety of incentives offered by state efficiency programs and the federal government, heat-pump water heaters apparently aren't selling in very high numbers.

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