Why Choose One Large Fan Instead of Multiple Smaller Fans?
There is a multitude of variables that can affect the decision to include multiple small fans or a single large fan. Individuals are quick to consider the capital requirements of any purchasing decision but if cost is the primary concern, its imperative to also consider installation costs, operational costs, and replacement component costs as well.
Once a budget has been determined, environmental factors should be considered before making the next decision. How is the space currently being used? How will it be used in the future? Assuming the space is wide open, a single large diameter fan would be the most cost effective (both capital and operational) way to provide circulation inside the space. If obstructions are present that can disrupt or prevent airflow from certain areas, stepping down to smaller diameters may be required to provide adequate coverage.
"As is often the case, a salesperson will recommend multiple smaller diameter fans as a tactic to increase sales dollars. "
As is often the case, a salesperson will recommend multiple smaller diameter fans as a tactic to increase sales dollars. While this is still effective at circulating air inside the space, the customer could have accomplished the same effectiveness using less fans (larger diameter) which lowers the capital investment on product (and installation), operational cost over the life span and the possible replacement cost in the future.