Sound Attenuators – Effective Noise Control for HVAC Systems in Saudi ArabiaHVAC systems and industrial equipment such as generators are essential for modern facilities, but they can also generate significant noise that affects comfort, communication, and regulatory compliance. The constant hum of fans, the roar of air through ducts, or the low-frequency rumble of generators can lead to occupant discomfort, speech intelligibility issues, and even noise regulation violations.

Sound attenuators—also known as silencers—are engineered to reduce noise by up to 50 dB while allowing air to flow with minimal resistance.

At Acousystem Group, we specialize in the design, manufacturing, and supply of rectangular sound attenuators in Saudi Arabia, tailored to your project’s acoustic and airflow requirements. Built to ASTM E477-20 and SASO standards, our attenuators provide long-term performance, durability, and reliability for both HVAC and industrial noise control.

Sound attenuator inside an acoustic enclosure at Sama Beirut, the tallest tower in Lebanon.

Sound attenuators installed within the acoustic enclosure of Sama Beirut Tower.

What Are Sound Attenuators?

Sound attenuators are devices installed within HVAC or ventilation ductwork to absorb and block noise. They use internal acoustic splitters, filled with high-density sound-absorbing material, encased in robust sheet metal construction to ensure both noise control and airflow efficiency.

Why They’re Essential in KSA Projects

  • Reduce HVAC and industrial noise by up to 50 dB at specific frequencies
  • Maintain airflow with minimal pressure drop
  • Fully compliant with SASO and international acoustic standards
  • Improve comfort in offices, hospitals, hotels, industrial plants, and public facilities
  • Tailor-made for both new installations and retrofit projects
Sound attenuator used in an acoustic enclosure at Saint Joseph University, Beirut.

Sound attenuators installed for an acoustic enclosure at Saint Joseph University.

Our Sound Attenuator Capabilities

  • Rectangular models only for optimal acoustic performance and airflow control
  • Custom-built to meet specific noise reduction targets
  • Galvanized steel, stainless steel, or aluminum casings
  • Mineral wool infill: non-combustible, non-hygroscopic, vermin-proof
  • Aerodynamically shaped leading and trailing edges to minimize turbulence
Sound attenuator integrated in a chiller acoustic enclosure for HVAC noise control.

Sound attenuator installed inside a chiller acoustic enclosure.

Applications in Saudi Arabia

  • Chiller plants
  • Cooling towers
  • Air handling units (AHUs)
  • Fan rooms
  • Mechanical plant rooms
  • Generator rooms
Sound attenuator applied inside a generator room Box-in-Box acoustic system.

Sound attenuator integrated in generator room Box-in-Box design.

Standards & Compliance

  • ASTM E477-20 – Standard Test Method for Measuring Acoustical and Airflow Performance of Duct Liner and Attenuators
  • SASO – Saudi Standards, Metrology and Quality Organization
Sound attenuator installed in a ventilation system to reduce airflow noise.

Sound attenuator used in ventilation ductwork for noise control.

Case Example – Generator Rooms in Iraq

We supplied custom rectangular sound attenuators for multiple generator rooms in a large commercial facility in Iraq. The installation achieved up to 50 dB insertion loss at certain frequencies, ensuring compliance with local noise regulations and dramatically improving noise conditions for nearby residents and facility staff.

Conclusion & Call-to-Action

If HVAC or generator noise is affecting comfort, communication, or compliance, sound attenuators are an effective, proven solution. With over 35 years of experience, Acousystem Group delivers precision-engineered silencers that meet your specific acoustic and airflow requirements.

📩 Contact us today to discuss your sound attenuator needs:
Website: www.acousystem.info
📞 Saudi Arabia: +966 59 180 5223
📞 Lebanon: +961 3 101 461
📞 Kuwait: +965 6690 0529
📞 Qatar: +974 6654 6597
📩 [email protected]