Home air vents deliver conditioned air from an air handler. The cause of noise that is heard through the air vents is usually the fan in the air handler. For light sleepers or those in a room near the air handler, the noise can be significant. Silence the noise by installing an air-duct silencer. The air-duct silencer will not only stop noise from the air handler but reduce other noises that travel through the air ducts.
Things You'll Need
- Utility knife
- Tin snips
- Duct silencer
- Tie wraps
- Sheet metal screws
- Duct tape
Turn off the air conditioner or the furnace connected to the air ducts.
Locate the duct work that leads to the room with the noisy vent. This may require tracing the duct work to the attic of your home.
Cut the air duct in the middle of its run. Use a utility knife to cut through the insulation and the duct. Use tin snips to cut the metal wire on the air duct. If you have a rectangular air duct made of sheet metal you must cut it with the tin snips.
Push the duct silencer into one of the ends of the cut duct work and secure it with tie wraps. If you have rectangular sheet-metal duct work, secure the silencer to the duct work with the drill and sheet-metal screws at each corner of the duct. Connect the other end of the duct to the remaining end of the duct silencer using the same technique.
Seal the seams. If you have round ducts, pull the insulation over the seam and wrap it with at least two layers of duct tape. If you have sheet-metal duct work, wrap the duct tape around the screws and the seam to seal it.
Turn on the air conditioner or furnace and check the room for reduced noise: there should be a significant reduction. If the noise continues, contact a mechanical contractor to take a look at the air handler.
- Photo Credit Comstock/Comstock/Getty Images
Silencers Used in Compressors
A compressor is a device designed to increase the pressure of a gas via the reduction of its volume. Silencers can be...
How to Reduce Air Intake System Noise
Adding an intake system to your vehicle can be a wise move for better fuel efficiency and overall performance, but the noise...
How to Install an Inline Duct Fan
Technicians install inline duct fans near the end of a long stretch of duct. The increased airflow from the inline fan helps...
How to Install Hood Exhaust Ducts
Before you install that kitchen exhaust fan, think about the ducting requirements. Although ductless units are available, they generally don't work well....
How to Reduce Noise From Floor Heat Vents
Noise from heat vents can range from minor creaks to annoying (and potentially sleep-disrupting) pops, bangs and whistling sounds. A serious noise...
How to Reduce the Noise of a Condensate Pump
A condensate pump can be found in any device which requires the removal of moisture in the air into liquid (condensation). These...
How to Build an Air Exhaust Silencer
The purpose of an air exhaust silencer is to give your motorcycle a much quieter sound. These silencers fit on the tips...
How to Soundproof a Forced-Air Vent
A forced-air vent easily allows sound waves to travel back and forth between rooms. To control the sound transmission and still allow...
How to Reduce Airflow Duct Noise
Air-conditioning and heating systems produce noise that travels through the air ducts. Depending on how close you are to the fans of...
Noisy Dryer Vent
Knowing how to identify peculiar noises coming from a dryer vent can be an excellent way to head off any potential problems...
Noise Reduction for Air Conditioners
Air conditioners can be incredibly noisy devices sometimes, and this noise can distract people in a house or neighboring apartment, making them...