Anergy instruments offers manufactures cooling tower tower managermanager, the only controller of its kind, to reduce minimize the power consumption of the cooling tower fan `s power consumption. Water cooling process in cooling tower is reliesdependent on ambient wet-bulb temperature, . The wet-bulb is energy efficient in cooling of water to about 5Âșc. Above wet-bulb is energy efficient, trying attempts to cool any further consumes more energy. The cooling tower manager from anergy instruments tower manager is a microprocessor-based device with solid compact state sensing. It the tower manager estimatescalculates ambient wet-bulb temperature, compares it with sump water temperature and determinesdecides the numbers of fans to be operated in multi-cell cooling tower or the speed of the fan in case of multi speed fan. It this tower manager from anergy instruments preservessaves energy by operating the cooling tower fans in the zone of least power consumption.