Marty Turock was looking for new ways to save energy and cut costs for the Greening San Diego program that he heads at CleanTECH San Diego, when he decided to play the guinea pig and have an energy audit done for his 10-year-old home in Carmel Valley. There wasn’t a lot of potential for upgrades but when he asked the inspector about his two horsepower swimming pool pump that was on for eight hours a day to filter the water, he was told there was scope for improvement if he switched from single speed to a variable speed pump, which would run quieter and lower his energy bill by about 70 percent.
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