HVAC

EC fans are widely applied in HVAC systems, especially where speed control function is required and noise reduction matters. Xhengxin EC fans are intelligent speed regulated. The speed control function is achieved by an integrated PCB board. The direct drive by the inside magnetic field makes the motor run smoothly and noise lower. Xhengxin EC fans have been used as exhaust and supply air fans in a lot ventilation equipments by customers.