To control the sound transmission and still allow airflow you must build baffles around the vents in the room where you wish to control the sound and in any adjacent rooms to which the ducts are connected.
Soundproof vent covers.
For even more soundproofing apply weather stripping tape around the interior edges of the air vent cover.
Sometimes air vents are just necessary to maintain the room temperature in the peak summers and allow ventilation within a closed room.
While this method won t be effective as the technique above it s one of the cheapest soundproofing techniques.
Use soundproofing blankets or curtains.
If you re unable to remove the vent for whatever reason then covering it is the next best option.
In most cases there are no technical skills needed.
Blocking the air vent permanently may have more consequences than benefits.
Of course one of the easiest ways to soundproof your air vents is to cover them with soundproof blankets or curtains.
Cover the vent with soundproof materials.
Standard air vent covers are louvered.
Cover the vent with soundproof curtain covers.
Soundproofing a room can seem like a never ending task there are plenty of ways that sound can get into or out of any room.
Cover your vents with soundproof blankets or curtains.
Soundproofing curtains and blankets are easy to use.
2 hvac air vents.
To soundproof your vents you can use heavy moving blankets.
The significant increase in surface area slows the airspeed but maintains the volume so less chance for a large grill cover to whistle.
While you could soundproof your vent by fitting an air vent cover this isn t ideal as they restrict air flow defeating the purpose of having air vents.
The flare can be 16 wide and 16 tall.
Return the vent covers where you removed them.
You can choose to stick pin or hand the blankets on the vents.
You may have soundproofed your walls windows and door and still find that sound is getting in through your air vents.
Cover the vent openings.
I ve already written about just how magical both of these products are.
When you create a room of any kind that s dedicated to controlled sound.
Soundproofing these type of vents isn t a big deal you can simply block them with a magnetic vent cover say.
An above door air vent for instance is meant only for cross ventilation between rooms and generally is quite short as compared to hvac air vents.
Cover the vent with soundproof curtains or blankets.
This is another simple and effective method that is somewhat similar to removing the vent.
However you can purchase solid covers that do not feature any openings and install it over the existing cover of the air vent.
The 2 types of air vents you ll see at home 1 ventilation vents.
Essentially they re thicker and more densely woven than regular blankets or curtains although a.
The curtains blankets are easy to install and can be taken off when moving out.
How to build a dead vent soundproofing system.