A small-duct high-velocity system was used in this Johns Island, SC house. The ducts vents can ... More hardly be seen. The house was designed by Architect Sam Rashkin. Energy Star estimates that ...

Airflow velocity in a residential HVAC market duct system is an important design consideration ... When designing a residential duct system, high velocities in ducts that are too small can cause ...

it is a small duct, high-velocity airflow, heating and cooling system designed to fit in structures that have space constraints or architectural limitations or requirements. Many home designers choose ...