How can I make my intake vent quieter?

High static pressure makes airflow more audible

  1. Adjust the fan speed. Your blower or furnace fan should be set to deliver the proper airflow per ton. …
  2. Add ductwork. …
  3. Add a bypass duct. …
  4. Add or expand grilles and registers. …
  5. Replace existing registers and grilles with high velocity models.





How do you fix a noisy return vent?


Quote from Youtube video: And that grill cover the vent cover a good vacuum. So just popping this clean filter in made this ac a lot quieter already so this return air vent is a lot quieter.

Why is my intake vent so loud?

If the usual noise volume increases, or you start to hear flapping, rattling or high-pitched sounds from the supply vents, return grilles or ceiling diffusers, it’s likely due to an increase in pressure caused by airflow restrictions somewhere in the HVAC system.

Can you soundproof a return air vent?

Quote from the video:
Quote from Youtube video: Hello everyone thank you for joining me at soundproof guide.com. Today I am going to talk to you about how to soundproof a return air transfer grill. Those are the above door air vents that only goes

Do return air vents make noise?





All air vents, meaning supply registers, ceiling diffusers, floor vents, and return grilles make some noise when the system fan is running. This is normal. Some systems are louder than others.

How do I reduce noise on my HVAC return?

Quote from the video:
Quote from Youtube video: Want to show how to make this out return air vent quieter. It's pretty loud. It's about 70 decibels which is like conversation loud and you look inside of it. See you're right there. So what I'm going

What is a duct silencer?

YIKES! Here’s How to Fix a Loud AC Return Vent – AKA The … ·

Why does my return air vent whistle?

Whistling noises are the most common problem with return vents, and these are often caused by dirty, clogged filters. Sometimes you might also hear loud knocking and banging noises, which usually indicate a small component has become loose within the machine.

Can I cover my return air vent?



While you should have a filter on your air return vent to prevent too much dust or moisture from entering your air system and recirculating back to you, you should never actually cover a return air vent. Keep furniture and even curtains at least 10” away from the vent opening in order to allow for proper air flow.

Can I block an intake vent?

It’s important not to block your return air vent because your HVAC system needs constant return air to work properly. Blocked air return ducts will cause your system to lose energy efficiency and cause premature failure of your HVAC system. This does not mean you don’t have many options for hiding your return air vent.

What happens if you block a return air vent?

Blocking air return vents causes your system to work harder, as there is less air flow to move the air back to the furnace. This continued strain on the HVAC system can lead to a decrease in performance and more HVAC repairs down the road.