Specialising in Axial, Rectangular and Tube Sound Attenuators

HVAC Sound Attenuators 101: What to Know

HVAC systems can sometimes be noisy, which can lead to unwanted noise in your home or workplace. Installing an HVAC sound attenuator is a great way to keep the noise down and create peace and quiet in your surroundings. In this guide, we’ll discuss how to choose the right sound attenuator for your system.

What is HVAC Sound Attenuation?

HVAC sound attenuation is the process of minimizing noise created by air handling systems, such as air conditioners and fans. HVAC sound attenuators are devices used to reduce the intensity of sound waves and reduce the overall sound transmitted by a system. These specialized devices dampen the sound vibrations and convert them into heat, resulting in quieter surroundings.

What are the Different Types of Sound Attenuators?

There are several types of sound attenuators available for air handling systems, such as absorptive and reactive devices. Absorptive devices use materials such as fibers, foam, or other absorbent materials to stop sound waves from becoming louder. Reactive attenuators instead utilize the resonance of acoustic waves to reduce their overall loudness. Additionally, some devices combine these two methods to increase their efficiency.

Where are Sound Attenuators Used?

Sound attenuators are often used in places where noise levels must be limited, such as industrial workstations, manufacturing facilities, hospitals, and educational institutions. Additionally, sound attenuators can also be used in commercial and even residential settings to provide a more pleasant environment. Sound attenuation is especially important in air handling systems that push air from one room to another, where sound can travel quickly and easily.

How to Select the Right Sound Attenuator for Your System

When selecting a sound attenuator for your system, you should consider the size, style, and noise levels of the attenuator. The larger the noise level within the system, the higher the dB rating the attenuator will need to have to effectively reduce it. Additionally, you should also consider the layout of your system when selecting a sound attenuator. For example, if a single duct runs through several rooms that need to be serviced with sound reduction, an acoustically lined duct or axis chamber may be used to isolate each room from one another.

Maintenance and Cleaning Requirements for Sound Attenuators

Regular maintenance and cleaning are important to ensure that sound attenuators do their job effectively. Make sure to check your HVAC system regularly for any build-up or debris that could interfere with the effectiveness of the attenuator. Additionally, always refer to the owner’s manual for any additional cleaning requirements. And if changes are made to your system during routine service, be sure to recalibrate your sound attenuator accordingly.

HVAC Sound Attenuators