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Soundproof Window Cost And Price Estimator
Our soundproofing windows cost page and price estimator provides pricing for the three main noise reducing options. Specifically, these include window plugs, window inserts, and full replacement windows. We'll provide price ranges for each options and explain the pros and cons of each approach.
Bill - Site Editor - Publish Date - February 1, 2015
Page Last Updated September 30, 2025
Page Index
- Soundproofing Basics
- Cost Of Plugs
- Insert Pricing
- Soundproofing Windows Prices
- Consumer Windows Reviews
Basics Of Sound Dampening Windows
Without a window in your wall, you'd have a big hole separating the inside of your home from the outside. Windows obviously plug up that hole and provide a view (and/or ventilation) to the outside world. However, some windows (many in fact) don't do a very good job at dampening or deadening exterior noises from entering your home. That's where soundproofing windows come in.
Here are the basics behind sound attenuating windows. For outside sounds to pass through a window, the sound frequencies must pass through both panes of glass (this is of course assuming double pane windows). The majority of sound deadening occurs in the "dead" air space between the two panes of glass. Additionally, different glass thickness between the inner and outer panes helps to kill different sound frequencies. Finally, a well constructed window with low tolerances create a strong unit that is both watertight and sound tight.
Soundproof Window Plugs
Soundproof plugs are the least expensive and easiest option in terms of installation. However, they do have significant downsides. Plugs are dense foam pieces cut to fit a window opening. Installers insert the plugs into the openings to prevent sound from entering the room. Also, these plugs block light from entering. If homeowners cut and insert the plugs, then the installation cost is $0. However, plugs are a temporary solution that are a bit of a eyesore. Additionally, homeowners have to remove the plugs each morning to receive light into the room.
Soundproof Window Plug Cost
$50 to $75 per window
Soundproof Window Inserts Cost
Window inserts are a common approach that are both relatively inexpensive and easy to install. Inserts are essential vinyl or aluminum framed single pane windows. Homeowners can purchase inserts in any number of sizes, materials and frame colors. Installers install the inserts on either the inside or outside of the existing window (depending on the jamb depth etc). The inserts work in conjunction with the existing window to provide soundproofing, as well as storm protection (when used on the exterior).
Soundproof Insert Cost
$350 to $550 per window
Replacement Windows
Soundproof windows are typically very expensive when compared to standard replacement windows. Soundproofing windows are thicker and bulkier than standard RWs, which allows for a much bigger gap between the two panes in the insulated glass unit. This space is where 90% of noise is effectively killed. Additionally, they use special glass that employ varying technologies to dampen noise between the panes. One such technique is the use of different glass thickness between the two panes. So, for instance, one pane might be 7/8" thich, while the other would be 1" thick. The different thickness abate or stop different noise frequencies from entering.
Soundproof Windows Cost
$1400 to $2800 per window
Related Topics: Hurricane Impact Windows Cost Calculator
* Bow And Bay Window Cost