What is the main purpose of sealing duct seams?

The main purpose of sealing duct seams is to minimize air leakage. In HVAC systems, ducts are responsible for distributing conditioned air throughout a building. When seams between duct sections are not properly sealed, air can escape, leading to inefficient system performance. This air leakage can increase energy costs since the HVAC system will need to work harder to maintain the desired temperatures, ultimately reducing its overall efficiency. Properly sealing the seams helps ensure that the maximum amount of conditioned air reaches the intended spaces, improving comfort and energy efficiency.

While reducing noise levels, enhancing aesthetics, and increasing duct strength play their own roles in HVAC installations, they are secondary to the primary function of ensuring efficient airflow through well-sealed ducts. Proper sealing is critical for maintaining optimal system performance and providing comfort while minimizing energy waste.