Our unique process is what ensures quality and longevity.
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Why Buy Vinyl Windows Instead of Wood or Aluminum?

Get A Detailed Comparison Chart.

Hurricane Proof

Our windows are designed to meet or exceed the most stringent coastal requirements

Lifetime Warranty

Custom Window Systems backs our products with a Lifetime Limited Warranty that provides years of worry-free comfort.

Noise Reduction

Replacing your windows will reduce intrusive sounds from the outside, including traffic and neighborhood noise.

Energy Star® Rated

The Energy Star label on qualifying products from Custom means you can rest assured that they meet stringent guidelines for energy efficiency.


Feel safe and protect your home from intruders and flying debris during an extreme weather event.

Custom Window Systems, Inc. (CWS) has been in business since 1986 and prides itself in producing high quality, American Made window and door products for both residential and commercial use. Our manufacturing plant and general offices are located in Ocala, Florida where we occupy a 225,000 sq. ft. facility built to our specifications in 2006. CWS produces both vinyl and aluminum window and door products which are distributed throughout the Southeastern part of the country. We maintain our own fleet of trucks and deliver to most markets in Florida twice a week and out-lying areas once a week. The CWS vinyl "WINDPACT" window has been designed and engineered for the stringent building requirements of the Florida market, meeting the high design pressures in most areas.

Recognizing the demand for an energy efficient window, CWS was the first window manufacturer in Florida to obtain an Energy Star® rating from the NFRC.