Sound Attenuators

for HVAC Systems

Commercial Duct Silencers

Kinetics offers the design and engineering assistance to integrate our line of duct silencers/sound attenuators into a system solution. As a result, you may choose from a selection of “made-to-order” engineered duct silencers that will satisfy the requirements of each application.

Silencers limit airborne noise in ducts and openings in buildings, enclosures, or equipment rooms. Openings into or out of noisy environments are prime candidates for noise control measures. Integration of noise control measures, such as silencers, into the system design requires careful consideration of space constraints, fan selection, and aerodynamic pressure losses. Kinetics silencers are custom engineered to satisfy the requirements of each application.

All Kinetics silencers are backed by independent testing in a NVLAP accredited laboratory in accordance with ASTM E477-06a and AMCA 1011-03.


  • Duct System Path from the Air Handling Unit to the Receiving Room, both supply and return
  • Fan Inlet and Discharge
  • Mechanical Room Ventilation
  • Air Handling Units (AHU / RTU)
  • Cooling Towers
  • Radiators / Condensers
  • HVAC Duct Systems for Commercial, Institutional, and Industrial Buildings
  • Cross-talk Applications (adjacent rooms, shared ventilation)


  • KCRS Rectangular Straight Duct Silencers
  • KCES Elbow Duct Silencers
  • KCCS Circular Duct Silencers
  • Custom Duct Silencers


  • Elbow Dissipative (absorptive)
  • Straight Dissipative (absorptive)
  • Reactive (no media), Elbow and Straight
  • Cross-Talk
  • Axial Cone
  • Transitional
  • Custom Designs as Required