Not necessarily. One thing to keep in mind is that the two speed uses about 1/4th the power on low vs high speed so the SP2607X102S will use only about 300 watts on low speed. Even though the EcoStar may use less power, it can sometimes take a long time to make up the cost difference between the pumps. If there is a $600 price difference between the pumps and you pay $0.12/kwh, it can take 24000 hours of operation to make up the cost difference. Only after that is the EcoStar more cost effective.