Welcome

 Crystal Pacific manufactures quality, energy-efficient vinyl  windows and high-end fenestration systems for the residential and commercial community throughout Southern California and beyond. 

 Bring Your Home to Life. Experience the style and beauty of Milgard custom windows and doors. From expansive views and contemporary framing to a traditional look with premium features, Milgard helps elevate your home while keeping comfort in and the elements out. 

 Light yet strong, thermally broken aluminum frame windows and patio doors can be configured into a wide variety of combinations. The narrowness of the frame places the focus on the glass and the view it offers. 

Our Timeless Series products are virtually maintenance free and designed to imbue your project with both beauty and functionality. The Timeless Series of products features a slim profile and many standard hardware features that makes our doors as durable as they are attractive. 

Our premium vinyl products are proudly crafted in the USA to deliver decades of efficient thermal performance — plus long-lasting durability and effortless ease of use no other material or manufacturer can match. 

As a leading vinyl window manufacturer with roots firmly set in custom window & door fabrication, and a distinct resume of mid-rise, multi-family, institutional, hospitality & commercial projects, VPI is uniquely qualified to handle everything from boutique development to multi-phase, commercial construction.  

 Win-Dor is an American manufacturer and supplier of high-quality vinyl windows and doors. For over a quarter-century we have served local Southern California with our product offerings ranging from standard-sized windows and doors to custom made products measured and built to exact specifications.