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Engineered for Superior Sound Control

Milgard Quiet Line™ Series Windows

If you live by an airport, highway or busy downtown area, consider Milgard Quiet Line Series Windows. Each noise reduction window is triple glazed with airspace optimized to provide premium sound control. For extreme conditions, ask about laminated glass and heavier glazing options.

Benefits of Quiet Line Series

Superior Sound Control

Sound Transmission Class (STC) is a rating system used to communicate how well a product blocks sound. A typical double glazed window provides an STC rating of 28-32. Quiet Line Series can provide a rating of up to 48, for superior noise reduction. 


Milgard produces their own vinyl formula and extrude the vinyl components ourselves to ensure quality. The result is a structurally strong vinyl frame with optimized insulation performance that is weather resistant. Contact us for your free quote.

Complements Other Vinyl Lines

You may only need Quiet Line Series noise reduction windows for the noisiest part of your house, so we designed these windows to complement our Tuscany® Series product line which provides a uniform look throughout your home.

10 Year Warranty

Milgard guarantees to the original purchaser of Milgard Quiet Line Series windows that we will replace any windows that are found to be defective in materials or workmanship during the ten year warranty period, from the install date.

Quiet Line Series Operating Styles

Double Hung
Horizontal Slider
Milgard Style Line Series Vinyl Windows