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