IWC Windows

International Window has been a leading window and door manufacturer in the industry for almost fifty years. Established in 1957 in the heart of Los Angeles, International Window began as an aluminum window manufacturer specializing in Jalousie style windows. Strategically adapting to a then growing and changing market, IWC became a diversified manufacturer of windows and doors.

IWC Series Vinyl Replacement Windows

Majestic Series

The Majestic Series 5500 window line is our premier vinyl product with a wide range of styles. The Majestic window features an innovative patented automatic latch that locks when the vent is closed for added security. Our even sight line design enables you to maintain the beauty of your windows from inside your home. Learn More

Crown Series 5300

Do you like clean, sophisticated lines? The Crown Series 5300 window line offers a slim design to accent any architectural style. These windows are affordable, and available in a wide range of styles. The Crown Series 5300 is offered in a single-glazed configuration or a dual-glazed configuration for added thermal and sound insulation. Learn More

Acoustic Series 9300

Are you ready to block the sound of barking dogs, loud neighbors, and screaming children? Then our Acoustic Series 9300 window line is for you. With an STC rating that can reach as much as 47 on certain window styles, it is the prime choice for a noise reduction window. This high STC rating is achieved due to its innovative multi-panel design. Learn More

May - Special Offer

IWC Windows

50% Off for Limited Time!

Starting from
$598 $299*
per window

Get a FREE Estimate

Or call us for help:

1-877-734-1431

* With purchase and installation of 7
or more (windows/doors). Additional installation charges may apply.

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