Ceiling Fan With Reversible DС Motor - BlackEnergy Efficient DC Motor: Delivers 65% greater efficiency than standard AC motors, reducing energy use and operating silently for a peaceful environment. Reversible Airflow: Switch between downward flow for cooling in summer and upward flow to redistribute warm air in winter for consistent comfort. Remote Controlled Operation: Includes a remote with six speed settings, timer function, and control over blade direction for convenient year round use.