IntelliPro Variable Speed pumps combine variable drive technology, onboard digital intelligence and permanent magnet motors (used in hybrid cars) to reduce pump-related energy costs by up to 90%. The new IntelliPro VS+SVRS model is the first swimming pool pump to feature a built-in Safety Vacuum Release System that detects drain blockage and automatically shuts the pump off. An Eco Select Brand Choice: Standard pool pumps can consume as much energy as all other home appliances combined...often costing more than $1,000 per year! IntelliPro VS-3050 & VS+SVRS Variable Speed Pump pumps can typically cut energy use by up to to 90%, generally saving $620 to $1,360 in utility costs annually...more where rates are higher than average.**Savings based on comparison pump running between 6 and 12 hours per day at the national average of 15 cents/kilowatt hour in a 20,000 gallon pool. Actual savings may vary based on plumbing size and length, pump model, service factor, flow rates, and other hydraulic factors.