So, you turned on your heating and cooling system, and you noticed something strange: one of your rooms isn’t heating or cooling properly.

To your dismay, you noticed that there’s little to no air coming out of the supply air vent opening! You check the other rooms and they’re getting air just fine. But that one room has you wondering how you can improve your HVAC airflow.

So, what’s wrong with that one room? Once you have verified the vent diffuser is operational and open, here are a few issues with the ductwork that can cause this frustrating problem.

Both metal sheet ductwork and flexible ductwork can get disconnected at the main duct connected, between pipe sections, and at the register termination fitting, preventing any hot or coo