Air Conditioner Return Vent Whistling

It will increase the air flow in those rooms and should reduce the pressure enough in the problem room to stop the whistling.

Air conditioner return vent whistling.

Increasing the size or quantity of the vents is an option but again not an easy one. We ll go over these problems in more detail and discuss what you can do to fix them. The air conditioner roars to life. You ll have to turn up the volume.

You re worried that you might not hear the doorbell if it rings. Air filters pick up unwanted contaminants in your home s air but when they are dirty they restrict the airflow process. The easiest step to take is to replace your current air filter. Now you can barely hear your music.

Too many closed doors. If you have one of the return air grilles pictured below in your ceiling or wall listen up. Troubleshooting tips for a whistling air conditioner. This blockage produces higher pressure and air velocity inside of the vent which in turn produces a whistling sound.

Change your air filter. The installer was notified and his employees attempted to correct the problem by installing an additional smaller return duct in my office which is located near the larger return. Fiberglass duct liner absorbs noise like a charm and i always make sure to install it especially in return. Why low airflow causes whistling.

Or your phone if it vibrates on the counter. This reduced but did not eliminate the noise which gets louder if the. You have two kinds of vents in your home. Do yourself a favor go out to a big box store and get a.

Blocked return vent the return vent may be blocked due to dust or other debris. And while you d like to concentrate on your book you can t. Another sign of poor ductwork and a culprit of noise coming from your air return vents is unlined return ducts. The downside to the bend in the grille is a reduction in airflow and sometimes a nasty whistle.

Finally one solution that i used in a similar situation remove the vent completely in other rooms. Dirty air filter a dirty filter acts like a barrier to return air forcing the blower to work harder and longer to circulate air say hello to a larger electric bill. Check the filter and change it if it looks like the one on the right in this picture. As a result your system s blower is essentially starved for air usually as a result of some type of blockage.

If so you could be experiencing low return flow which means that your return air vent is not getting enough air. I recently had an air conditioning system installed in a house i m building and have a problem with a whistling noise in the return duct. But first let s look at how low airflow causes your air conditioning system to produce that whistling sound. An a c blower pulling in air from.