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The Sound of Silence

Posted by Steven Thomasson on October 28, 2025 at 9:00 AM
A chiller with a Price Acoustic Panel enclosure and an adjacent barrier wall

Engineered Acoustic Enclosures for Chillers

Ever had a project stall because of unexpected noise complaints? Chillers may be the culprit.

Noise is frequently overlooked in the design of mechanical equipment, only becoming a problem once the equipment is installed and the neighbors start complaining. If the local authorities find that a site has violated noise ordinances, the situation needs to be remedied quickly to avoid legal action.

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Topics: Noise Control, Acoustic Panels, HVAC Silencers, Pressure Drop, HVAC, Engineering, Design Engineering, CFD

Mitigating the Risks of Close-Coupled Silencers

Posted by Mauricio Salinas on April 15, 2025 at 9:00 AM
A shared workspace showing a silencer close coupled to a terminal unit

System Testing to Optimize Terminal Unit Acoustics

In many commercial HVAC systems, engineers pair VAV boxes, fan-powered boxes and fan coils with duct silencers to meet the acoustical requirements of a space. While all the components are tested to industry standards – AHRI 880 and AHRI 260 for terminal units and fan coils and ASTM E477-20 for silencers – the combination of these two categories in real-world installations isn’t always straightforward.

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Topics: Noise Control, HVAC Silencers, Pressure Drop, Velocity Profile, Terminals, HVAC, Engineering, Design Engineering

What Is an Integral Silencer?

Posted by Jason Neufeld on October 19, 2021 at 1:31 PM
Price's SDVQ

Optimal Sound Reduction for Terminal Units

Terminal units influence a building occupant’s experience through heating, cooling and acoustics. Price offers attenuators and silencers as two different methods to reduce a terminal unit’s operating sound level. An attenuator reduces sound levels by utilizing a section of duct lined with acoustical media whereas a silencer utilizes both baffling and acoustical media to break sound waves and reduce the sound level leaving the unit. Although attenuators may suit a project depending on its acoustical requirements and pricing, silencers offer optimal sound reduction.

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Topics: HVAC Silencers, Terminals, HVAC Fundamentals, HVAC

What Is a Silencer?

Posted by Price Industries on September 7, 2021 at 9:59 AM

A Practical, Engineered Solution for Controlling Noise

Silencers, also referred to as sound attenuators or sound traps, are used as part of the HVAC system to reduce the noise that would otherwise be transmitted to the nearest indoor or outdoor space. In large commercial or industrial applications, silencers can be used in large banks to prevent noise from transferring into the environment.

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Topics: Noise Control, Noise Solution, HVAC Silencers, Duct Noise Reduction, HVAC Fundamentals, HVAC, Engineering

Silence is Golden: Optimizing the Acoustic Environment

Posted by Alex Michaud on June 14, 2019 at 10:02 AM
Mechanical_Room_v004after
 
Noise is the number one occupant complaint.
 
Research indicates that hospital patients and staff, hotel guests, and restaurant diners complain about noise more than anything else. Noise can impact occupants by lowering productivity and increasing stress levels. This “invisible” problem is loud and clear.
  Properly addressing all noise sources allows building occupants to be more comfortable and productive.
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Topics: Acoustics, Sound Transmission Class, Noise Control, Noise Solution, Acoustic Louvers, Background Noise, Noise Criteria, Sound Absorption, Acoustic Panels, LEED credits, HVAC Silencers, Ceiling Attenuation Class, Air Transfer Silencers, Sound Masking, Speech Privacy, Reverberation Time, Duct Noise Reduction, LEED for Schools, LEED for Healthcare

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The founding principles of Price have never changed – business integrity, first-class service, innovation and a commitment to people. Our dependable quality, reliable delivery, and knowledgeable follow-up service have made Price a market leader in supplying air distribution, critical controls, and noise control products. After more than 60 years, Price remains a privately held family company with a deep heritage and commitment to innovation and service. Our long-standing vision, traditional values, and the Price way of doing business are the cornerstones of our leadership position in the non-residential air distribution industry.

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