03/18/2025
Rectangular (or "square") ductwork is the most widely used type in commercial HVAC systems. Its flat, rectangular profile allows for versatile installation in tight or irregular spaces, such as ceiling voids and wall cavities, while ensuring optimal airflow distribution across large areas. With universally recognized fabrication standards, rectangular duct simplifies coordination between field installers, contractors, and suppliers, streamlining the ordering process with Commercial Duct Systems.
