Noisy air vents high pitched noise.
Air conditioner return vent making noise.
Check your filter in your return vent.
Another cause could be twigs or leaves that have clogged your system.
6 best ways to soundproof an air vent because the easiest and most effective solutions to stop noise from coming through air vents involve closing off the holes entirely i ll start by suggesting 3 ways to do that.
Make sure all your supply vents are open.
And inside the grilles of these vents is your air filter.
Now those noisy air ducts are intruding on your solitude.
Closing off the supply vents that release air into your living spaces.
The air moving through them makes noise and a variety of factors can make air movement more or less audible.
If your filter is dirty it can block airflow and create noise.
Ducts don t make much noise on their own.
Under certain conditions the air filter may get sucked up against the top of the.
Still let s go through some ideas on how you can reduce the noise coming through your air vents.
It might be something else.
1 open all the vents.
This should be the very first thing you do when you notice your air return vent is making noise.
Make sure to clean it off so air can easily pass through.
More restrictive air filters the noise from the air being pulled in increased dramatically to the point of being annoying.
The same return vent open showing the filter and duct behind the vent.
When i installed better i e.
A typical return vent in the ceiling of a gilbert home.
All air vents meaning supply registers ceiling diffusers floor vents and return grilles make some noise when the system fan is running.
Some systems are much louder than others.
Be sure to check on it later to make sure it hasn t closed up at all.
Blocked or shut off supply vent supply vents the grates with the levers may be shut in certain rooms of your home.
A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening.
Noisy air duct troubleshooting list.
Some systems are louder than others.
When your air conditioner turns on these ducts suck in air from your home.
Except it might not be your ducts.
If the vent or grille is adjustable switch it to the most open position available to maximize airflow.
You should always keep them open yes even in rooms you don t use.
The electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue.
Blocked return vent the return vent may be blocked due to dust or other debris.