So, how does acoustic flexible ducting work? The noise from your fan and the air flowing through the pipes make the flexible ducting vibrate, hence there is some noise being accumulated. ... This will make air travel easier through the bends, resulting in less noise and vibration.

Does insulated ducting reduce noise?

Insulating ducts with a soundproof material will not only quiet the noise caused by HVAC systems and airflow, but it will also reduce your energy costs because it offers thermal protection.

What is acoustic duct?

Biyang Acoustic Ducting is a kind of Flexible Insulated Ducting with perforated inn core. The small holes are all over the inner duct and are specially designed to absorb and reduce the noise and vibrations, caused by fan or blower in the ventilation system. As a result, it is also called Acoustic Flexible Duct.