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How to Soundproof HVAC Systems

soundproof a room header

Soundproofing HV/AC systems can be the most challenging because they involve ductwork buried deep in a home’s structure. 

Not only does the HV/AC system create noise, it carries noise from one room to another. Its ductwork acts as a path sound travels along, creating a “highway” of noise traffic throughout your house.

Recommended Methods

Applying a vibration-damping product, like Vibra Block® Sound Deadening Material, to the interior or exterior surface of the unit will help reduce the noise vibrations the system creates. These vibrations will be stopped at the source and not be able to travel along the ductwork and throughout the house.

Vibra Block® is a premium, industrial grade sound deadening material. Constructed from a high performance vibration-dampening polymer, it offers excellent HV/AC soundproofing. With its peel-and-place backing, it’s easy to install.

Vibra Block® can also be applied to the ductwork itself. Not only will it quiet the noise, it will reduce your energy costs because it offers thermal protection as well.

Another way to combat noise being transmitted to other areas of the house is to line the interior of the ductwork with a sound absorber, like Melamine foam. When choosing a product, be sure it’s fire safe for heating units and does not release particles into the air stream.

We also recommend Quiet Wrap™ Pipe Soundproofing Wrap. This will significantly reduce noise emitted from waste water and drainage pipes. It’s an industrial grade barrier/foam composite manufactured using a 1/2 lb, high density sound barrier membrane, laminated to ¼ inch acoustic grade polyurethane foam with a peel-and-place adhesive backing.

RoadblockR™ Dampening Material is also a great product to use for HV/AC soundproofing. It’s a heavy duty aluminum faced butyl material backed with hard gripping adhesive.

HVAC Soundproofing Products

  • Pipe Soundproofing BUY NOW

    Quiet Wrap™ Pipe Soundproofing Wrap

    Quiet Wrap™ Pipe Soundproofing Wrap will significantly reduce noise emitted from waste water and drainage pipes. Quiet Wrap™ Pipe Soundproofing Wrap is an industrial grade barrier

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    Quiet Barrier™ Fiberglass Composite

    Quiet Barrier™ Fiberglass Composite is a mechanically bound fiberglass blanket combined with our Quiet Barrier™ soundproofing material and a reinforced mylar facing creating a Class A™

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    EcoPod™ Vibration Isolators (Pack of 4)

    The EcoPod™ is made from 100% recycled tire rubber. It is a shock absorption pad that is used to reduce sound, vibrations, and pulsating of heavy

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    Silent Running (5 gallons)

    Silent Running SR-500 is a high performance coating specifically designed to eliminate unwanted sound and vibration. SR-500 works by converting noise energy and vibrations into a

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    RoadBlockR™ Sound Deadening Material

    RoadBlockR™ is a premium car soundproofing product. Serious car soundproofing requires serious soundproofing material. RoadBlockR™ was engineered to provide this benefit. Originally designed as an industrial

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    Echo Absorber™ Acoustic Panel (Natural Blend - 2"x2'x4')

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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    Echo Absorber™ Acoustic Panel (Natural Blend - 1"x2'x4')

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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    Echo Absorber™ Acoustic Panel 2" (Case of 3)

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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  • acoustic panel ea natural BUY NOW

    Echo Absorber™ Acoustic Panel (Natural Blend - 1"x4'x4')

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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  • acoustic panel ea group BUY NOW

    Echo Absorber™ Acoustic Panel 1" (Case of 6)

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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  • acoustic panel ea group BUY NOW

    Echo Absorber™ Acoustic Panel 1" (Case of 14)

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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  • acoustic panel ea group BUY NOW

    Echo Absorber™ Acoustic Panel 2" (Case of 8)

    Echo Absorber™ is a light weight, thermally bonded acoustical panel made from recycled cotton fibers, which offers excellent noise reduction qualities in low, middle and high

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    Vibra Block® Sound Deadening Material (Sheet)

    Vibra Block® is a premium, industrial grade, high performance sound deadening material used on steel panels and enclosures in a variety of industries. Constructed from a

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    Vibra Block® Sound Deadening Material (Strip)

    Vibra Block® is a premium, industrial grade, high performance sound deadening material used on steel panels and enclosures in a variety of industries. Constructed from a

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  • sound deadening vb pad BUY NOW

    Vibra Block® Sound Deadening Material (Pad)

    Vibra Block® is a premium, industrial grade, high performance sound deadening material used on steel panels and enclosures in a variety of industries. Constructed from a

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    Quiet Barrier™ LD Soundproofing Composite

    Quiet Barrier™ LD Soundproofing Composites (1/16 in. 1/2 lb. barrier + 1/2 in. foam) are industrial grade products that stop sound from entering or leaving a

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  • Soundproofing_QBMD_Composite_close_up_175-01 BUY NOW

    Quiet Barrier™ MD Soundproofing Composite (w/PSA)

    Quiet Barrier™ MD Soundproofing Composites (1/8 in. 1 lb. barrier + 1 in. foam) are industrial grade products that stop sound from entering or leaving a

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  • Soundproofing_QBMD_Composite_close_up_175 BUY NOW

    Quiet Barrier™ MD Soundproofing Composite

    Quiet Barrier™ MD Soundproofing Composites (1/8 in. 1 lb. barrier + 1 in. foam) are industrial grade products that stop sound from entering or leaving a

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  • Soundproofing_QBLD_Composite_close_up_175 BUY NOW

    Quiet Barrier™ LD Soundproofing Composite (w/PSA)

    Quiet Barrier™ LD Soundproofing Composites (1/16 in. 1/2 lb. barrier + 1/2 in. foam) are industrial grade products that stop sound from entering or leaving a

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    Quiet Barrier™ HD Soundproofing Composite (w/PSA)

    Quiet Barrier™ HD Soundproofing Composites (1/4 in. 2 lb. barrier + 1 in. foam) are industrial grade products that stop sound from entering or leaving a

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  • sound barrier composite BUY NOW

    Quiet Barrier™ HD Soundproofing Composite

    Quiet Barrier™ HD Soundproofing Composites (1/4 in. 2 lb. barrier + 1 in. foam) are industrial grade products that stop sound from entering or leaving a

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  • Quiet_Barrier_Specialty_Composite_Close_Up_175-01 BUY NOW
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    Quiet Barrier™ Specialty Composite w/PSA

    Quiet Barrier™ Specialty Composite is a four layer soundproofing composite used in construction, automotive, heavy machinery and marine industries to reduce noise transfer from structural borne

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