15. Energy Efficiency in Axial Fans: Optimizing for Low-Pressure, High-Volume Flow In an industrial landscape increasingly focused on energy conservation, the inherent efficiency of the ac axial fans fan, particularly in its optimal operating range, has made it a key component in "green" ventilation strategies[12]. Axial odm ac fans are fundamentally suited for low-pressure, high-volume airflow—the condition that yields the highest efficiency[6]. Their efficiency advantage over centrifugal fans in these applications is primarily due to their direct, streamlined flow path and simpler design[8]. Energy efficiency is maximized by adhering to several design and operational best practices. Optimized blade aerofoils, achieved through Computational Fluid Dynamics (CFD) modeling, minimize drag and turbulence, ensuring that the maximum amount of motor power is converted into useful air movement[5].