What is the maximum size of a length of a side of a gumbox?

The maximum size of a length of a side of a gumbox is 12 inches. This size is often established based on industry standards and practical considerations for handling and installation. A gumbox, used in HVAC systems, serves to manage airflow in ductwork and is designed to fit specific specifications that promote efficiency and compatibility with other duct components.

Choosing a gumbox with a side length of no more than 12 inches helps to ensure that the box can be easily fabricated, transported, and installed in residential or commercial settings. It also minimizes airflow resistance and maximizes airflow efficiency, which is crucial in maintaining effective HVAC performance. This size limitation is designed to strike a balance between functionality and practicality while adhering to safety and engineering guidelines.