The ePump™ fully programmable variable speed, high-efficient motor make it one of the quietest and and most efficient pumps available. It has energy efficiency built-in. This Energy Star® certified pump consumes significantly less energy than a comparable 2.0HP single speed pumps, offering savings of over $1,100 per year, based on a 28,000 gallon pool with 2 turnovers per day at an average power cost of 0.195/kWh.