The Two-Foot Rule: A Crucial Aspect of Efficient Ductwork Design

As an expert in HVAC design, I have encountered numerous ductwork installations throughout my career. And in my experience, one of the most crucial rules that must be followed is the two-foot separation rule. This rule, which is outlined in the ACCA Manual D, plays a significant role in ensuring that ducts are properly connected and that areas of low static pressure are avoided. In this article, I will delve into the importance of this rule and why it is crucial for efficient ductwork design.