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Buy One Window or Patio Door, Get One 40% Off – Plus $500 Off Your Entire Project*

Renewal by Andersen® Window Replacement & Patio Door Installation in Alpine, CA

At Renewal by Andersen, we’re proud to serve the Alpine community with exceptional window replacement and patio door installation services from our El Cajon location.

Renewal by Andersen® Signature Service

Superior product.

Transform your house with our superior Fibrex® material, featuring 40% recycled wood for a window that lasts longer and performs better than traditional vinyl.

Hassle free process.

Our professional team is dedicated to delivering efficient service. We’re committed to protecting your time with a start-to-finish process and avoiding as much disruption to your daily routine as possible.

Unrivaled beauty.

Design windows and patio doors that are as unique as your Alpine home, with made-to-order windows that fits properly and adds functionality to your home.

Long term value.

Renewal by Andersen windows represent a lasting investment in your Alpine home’s value, supported by our extensive warranty for glass, Fibrex® material, and installation.

4-Step Process

Design Consultation

Begin your window replacement project with a free design consultation. We’ll help you envision your new windows and provide a tailored timeline for you.

Project Planning

Our project managers guarantee quality, taking exact measurements and supervising the production of your windows.


Installation day is all about efficiency and respect for your home. Our Certified Master Installers are not just skilled in their trade; they’re also committed to a clean, efficient installation process.

Customer Care

Our customer care team is always prepared to offer assistance, from maintenance tips to warranty details, ensuring your satisfaction long after the installation is complete.

Our Products

Replacement Windows

For window replacement, Alpine residents turn to Renewal by Andersen. Redefine your home with windows that are designed to fit your lifestyle and decor. Our collection of window styles is diverse, offering many opportunities for customization. Style your windows with our selection of colors, hardware, and grille options to make them your own. Start your journey to a refreshed home with a free design consultation.

Awning Windows

Renewal by Andersen’s awning windows are designed for performance and ease. These replacement windows open out from the bottom, allowing air in while keeping rain out, and the compact design is ideal for combining with other window styles or fitting into small spaces.

Bay & Bow Windows

Transform your home with the elegance of bay and bow windows, which add a sense of space and luxury. These windows project outward, creating a cozy nook inside and giving your home’s exterior a distinctive, eye-catching look.

Casement Windows

Casement windows offer a combination of practicality and clean design. These replacement windows hinge at the side and swing out, providing full ventilation and easy cleaning. The energy-efficient seal makes them a smart choice for any climate.

Sliding Windows

Sliding windows from Renewal by Andersen are the essence of functional elegance. These replacement windows open horizontally with a gentle push. Sliding windows are ideal for high-traffic areas where an open window shouldn’t obstruct the flow of space.

Double Hung Windows

Double hung windows are a classic feature in any home, offering the flexibility to open from either the top or bottom. Renewal by Andersen’s design provides improved airflow and a traditional look that suits a variety of architectural styles.

Picture Windows

Embrace the view with Renewal by Andersen’s picture windows. These replacement windows offer a clear, uninterrupted canvas of the outside world. Picture windows are energy-efficient and provide a dramatic focal point in any room.

Specialty Windows

Enjoy a truly one-of-a-kind replacement window with Renewal by Andersen specialty windows. This option includes custom-shaped, custom-sized windows that fit any uncommon space in your home. Arched windows, circular windows, and more can upgrade the elegance inside your home while enhancing any room.

Patio Doors in Alpine, CA

Reimagine your home with Renewal by Andersen patio doors, where style meets functionality. Our installation service is efficient and comprehensive, designed to fit your busy schedule. Select from our variety of patio doors, including the classic elegance of hinged patio doors and the contemporary simplicity of sliding patio doors. All door styles are customizable to your home’s character. Explore our design options or work with our design experts to find the perfect doors for your space.

Sliding Glass Patio Door

Contemporary sliding patio doors have a sleek and modern design that can enhance the curb appeal of any home. These glass doors feature narrow top and bottom rails, which maximize glass area and allow for more natural light to enter your home. Contemporary sliding patio doors from Renewal by Andersen are made with high-quality materials and construction, so these glass doors require very little maintenance.

French Sliding Patio Door

French patio doors are a classic and elegant choice for patio doors. These glass doors offer a wide opening, filling your home with natural light and fresh air. Renewal by Andersen offers French patio doors in a variety of finishes, including stainable oak, maple, and pine.

French Hinged Patio Door

Sliding French patio doors combine the best of both worlds. These glass doors have the wide opening and elegant look of French patio doors and save space like sliding patio doors. Renewal by Andersen offers sliding French patio doors in a variety of unique grille patterns and finishes.

Learn More


I love my new windows, made a HUGE difference in the drafts, keeping wind noise out, and keeping heat in. I also choose a different style and the view is much nicer, easier to open and close

Tonya B.
Rating: 5

We are extremely pleased with our large dining room window. The old window was not efficient; letting cold air into the house in the winter as well letting heat from the furnace outside! The installer was very professional, efficient and cleaned everything up nicely. The entire experience from sales to installers through follow-up was a pleasure.

Seth Y.
Rating: 5

Replaced 12 "old" draft double hung windows with new double hung windows. Remarkable improvement in maintaining and constant comfortable temperature in the rooms. Great workmen and a great finished job.

Tangelia N.
Rating: 5

Proudly Serving Alpine and the Surrounding Areas

We are proud to serve Alpine, Finn Springs, Harbison Canyon, and nearby areas with our expert window and patio door installation services. At Renewal by Andersen, we understand that your home is your most important investment, and we are committed to providing you with the highest quality products and services available. Take the first step towards a more comfortable and energy-efficient home by scheduling your complimentary design consultation with our local team in El Cajon.

Renewal by Andersen Signature Fibrex® Material

Fibrex® material consists of 40% recycled wood, making this composite material twice as strong as standard vinyl windows.
With twice the strength of vinyl windows, our master craftsmen can build narrower window frames that hold larger panes of glass.
Fibrex® material never requires painting and will not crack, pit, corrode or rot.
Twenty years after installation, test results show that our windows stand the test of time.

Get in Touch with Us

Call Renewal by Andersen in El Cajon to schedule your in-home consultation today. Our professionals are committed to simplifying every step of the process, so you can enjoy your new home improvement sooner than you think. Contact us to learn more about our hassle-free, 4-step process.