Blog

A fan that looks properly sized on a schedule can still underperform once it is connected to louvers, filters, ductwork, light traps, wet-wall pads, or a restrictive roof curb. That is where the direct drive versus belt fans decision becomes an engineering decision, not simply a motor preference. The right arrangement affects delivered CFM, static-pressure capability, energy use, service access, noise, and the cost of an unplanned shutdown. For a warehouse exhaust system, livestock barn, …