How To Reduce Noise From Return Air. Do this only if you know for a fact that it is no longer needed. Create a sound barrier between you & the a.c unit.
CE Center Silence Is Golden from continuingeducation.bnpmedia.com
The ducts should be made stiffer. The cold air return on my forced air furnace is too loud. On the coil & reduces performance.
Luckily, There Are A Couple Things That Can Be Done To Considerable Decrease Noise.
One closed vent may not make much of a difference, but if two or more of these closed, your system. The first one is the honeycomb insert mentioned above. Simply use foam to fill the gaps beneath the air conditioning unit and this should reduce the amount of noise that it produces while running.
Filters Are Usually Located In An Access Door Next To The Indoor Unit.
Create a sound barrier between you & the a.c unit. Do this only if you know for a fact that it is no longer needed. This would definitely cut the noise down a bit.
If You’ve Opened Up Your Air Return Vents And There Still.
This video shows how to reduce return air noise with flex duct. The filters throughout the house can be a source of noise as well. The duct fittings should be smooth to allow for smooth velocity changes.
Take Some 3M Spray Adhesive And Apply It To The Flat Side Of One Of The Acoustic Foam Pieces.
If the vents are open, but you still can’t hear yourself over the return air noise, you. These can easily get filled up with dust and dirt and become traps for air. But still sealing edges/cuts of insulation is important.
If You Already Have Pieces Of Egg Crate Pattern Acoustic Foam Lying Around, You Can Use Them To Plug Your Air Vent.
These air traps can rattle and pop just like the ductwork. A list of ways on how to reduce noise from return air 1. If the airflow is strong enough, it might make the individual louvers on the cover flutter, producing a singing sound.
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