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WHOLE HOUSE SPECIAL
$6900 Installed!

8 Windows, 1 Patio Door, Sales Tax, Standard Retrofit Installation + Lifetime Warranty.

*600 United Inches maximum allowed for windows. patio door slider must be 5 foot stock size. offers cannot be combined. Other restrictions may apply.

Trusted Excellence

What Sets Us Apart from Competitors

At XO Window Systems, we’re a local, family-based company that understands the value of home & family. With over 25 years of experience, we specialize in window replacement and door installation across Orange County. From vinyl and fiberglass retrofit to new construction windows and sliding patio doors, we offer energy-efficient upgrades installed with expert craftsmanship more about us

Quality Craftsmanship

The Quality Craftsmanship
Our windows are sourced from top manufacturers and installed with precision by skilled technicians.

Energy Efficiency Expertise

We adhere to California’s Title 24 Building Standards, ensuring your new windows help cut costs and save energy

Exceptional Service

From the first consultation to post-installation follow-up, your satisfaction is our top priority.

Warranty and Support

We stand behind our work with robust warranties and responsive customer service.


Our Services We Specialize In

Explore our comprehensive selection of services that cater to a variety of needs, ensuring complete customer satisfaction.

New Construction Installation

XO Window Systems offers nail fin-framed new construction windows and doors. We will demo the exterior stucco on any home and nail fin-install your new windows and doors directly to the studs for a seamless new build look. This is a service that most competitors do not provide.

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Retrofit Installation

XO Window Systems specializes in retrofit window installation. We install our windows and doors only to AAMA guidelines using the best quality sealants which are washable and paintable. We also use expandable foam on every retrofit installation for the best air and water tight installation around. GUARANTEED NO STUCCO DAMAGE !

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Energy-Efficient Windows & Doors

XO Window Systems are purveyors of only high quality locally sourced windows manufactured right here in our home state of California. Made in the USA with lifetime warranties.

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Custom Solutions

All our projects are custom and uniquely tailored to each home, budget and taste. Our expert installation teams will ensure that your windows will not only perform a their best but also look their best.

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from Start to Finish,

Together!

Consultation

We start with a detailed consultation to understand your needs, preferences, and budget, ensuring a tailored solution for your home.

Custom Design

Next, we design custom window solutions that match your home’s aesthetic while maximizing energy efficiency and comfort.

Expert Installation

Our experienced technicians carry out precise installations, adhering to best practices for optimal performance and durability.

Post-Installation Support

Finally, we provide ongoing support and maintenance to ensure your new windows continue to perform at their best.

Call or Text Us

(949) 282-4441 

Email

[email protected]

Warehouse/showroom

640 S Grand Ave Suite 108
Santa Ana, CA 92705
( Appointment only )

corporate office

26632 Towne Centre Dr # 300,
Foothill Ranch, CA 92610

We’re Here to Help You

Reach out to us for inquiries, quotes, or assistance with your window replacement needs. We’re ready to assist you.

K+
Clients Consulted
+
Years of Experience
Star Customer Reviews
%
Success for Clients
A loving family of four enjoys the view from a sunlit room, united in a warm embrace.


Thanks For Your Trust!

With over 25 years of experience in window replacement and installation, we are committed to delivering unmatched quality and precision in every project. Our team of certified professionals is dedicated to ensuring that every window not only looks fantastic but also enhances your home’s energy efficiency and comfort.

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