The difference between AC and EC centrifugal fans is not simply a matter of motor type. AC fans represent a mature and reliable conventional solution, while EC fans place greater emphasis on operating efficiency, control flexibility, and long-term cost performance. As energy efficiency, industrial cost control, and intelligent system management become more important, fan selection is shifting from simply meeting airflow requirements to evaluating overall operating value.
In Ventilation and Purification, the FlowGrid grille has long been regarded as a "necessary but secondary" mechanical accessory. However, as building energy codes become stricter and indoor environmental quality requirements rise, fan noise has emerged as a core pain point affecting user experience and equipment selection.
Kitchen fume emissions are becoming a major concern in the rapidly expanding catering sector. The global market for kitchen ventilation systems is expected to expand at a compound annual growth rate (CAGR) of 6.4%, from $4.51 billion in 2025 to $7.79 billion in 2034. In the meanwhile, the recently u