Want to reduce your energy cost? Then go ahead and winterize your pool. Did you know pool filter pumps consume a significant amount of energy in residential homes. Swimming pool pumps were ranked as the third largest consumer of residential energy. During the winter months you only need to run your pool filter pump for 4 to 6 hours. So go reset your timers, especially if you had your timer set to run 24 hours during the cold spell, and save yourself a significant amount of money $$.