Yes, the size of your ducts significantly impacts the CFM your HVAC system can deliver. If the ducts are too small, your system may struggle to push enough air through, resulting in lower airflow. On the other hand, oversized ducts can lead to pressure imbalances and decreased efficiency. Ensuring your ductwork is properly sized for your home and HVAC unit is essential for maintaining optimal airflow. If you’re experiencing airflow issues, it may be worth having an HVAC technician inspect your ducts to see if they need adjustments.