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Renewal by Andersen El Cajon Replacement Windows & Patio Door Installation

As El Cajon, CA’s source for window replacement and patio doors, the Renewal by Andersen window company serves the area with lasting, custom home improvements backed by a hassle-free experience.

How Can We Improve Your Home Improvement?

It’s a well-established fact of life that home improvement can be stressful, hectic, disorganized, or overly time-consuming. But it doesn’t have to be!

Renewal by Andersen has been redefining the window industry for over 100 years. As a result, we offer the most seamless full-service window installation process available to keep disruptions to a minimum. We believe homeowners deserve to enjoy their custom window or patio door as soon as possible—so our team of window experts—from design consultants to certified master installers—are committed to getting it right.

Learn more about our products and processes below, then experience the Renewal by Andersen difference for yourself in El Cajon!

4-Step Full-Service Window Replacement


Design Consultation

Design Consultation

Renewal by Andersen design consultants are window experts, and can help you choose all the right features to match your home and your life.




Project technicians then measure and plan for your window installation before ordering it to be produced with one-company accountability.




Our Renewal by Andersen exclusive certified master installers are experienced window contractors dedicating to installing, insulating, and sealing your window to last for years to come.


Ongoing<br />
Customer Care

Customer Care

Contact a customer care specialist anytime for questions or concerns, even after your project is complete.

Why Choose Renewal by Andersen?

Our replacement windows and patio doors are made with superior materials and designed, manufactured, and installed by expert window contractors. Read about the Renewal by Andersen difference below!

At Renewal by Andersen, our specialists are there for you at every step. Start with a consultation with a window design expert, then you’ll experience a seamless ordering and installation process. That’s because every stage of the window replacement process is owned and overseen by a dedicated specialist.

To us, one-company accountability means no surprises, no third parties, and clear communication from start to finish.

We know that starting any kind of home improvement can be overwhelming. That’s why our process begins with answering every one of your questions—from design, to energy efficiency, to financing and more! Our goal is to ensure you’re making the best and most informed decision for you and your home, so we take the time to help you create a plan.

All Renewal by Andersen products in the area are installed exclusively by certified master installers near you in El Cajon. These window contractors understand every component of a Renewal by Andersen window or patio door and are dedicated to securing them in your home for years to come. They also follow a well-defined process which includes thorough preparation of the work area, timely installation, and even removal of your old windows! See our team in action when you call to get started on your El Cajon home today.

From design to installation and beyond, we’ve redefined the replacement window and patio door processes. With a dedicated window specialist at every step, we’ve ensured a seamless, hassle-free process while also making sure your home improvement looks and functions exactly as it should—every time!

In addition to an exclusive process, Renewal by Andersen serves El Cajon, CA homeowners with exclusive, energy efficient, custom, and lasting window products. Our windows are made with Fibrex® window frames which combine the benefits of both wooden and vinyl windows. This is done by an extrusion process using 40% reclaimed wood and composite materials to create a durable, weatherproof seal.

Learn more about Fibrex® frames then schedule your in-home consultation to see what they can do with your home.

Can You Afford to Skip Out on Professional Installation?

Window and patio door installation prices vary depending on your home and lifestyle needs. Our specialists can determine these with a thorough in-home consultation and chart a pricing a project plan to move forward. Some considerations include:

  • Installation requirements
  • Window type
  • Shape and Size
  • Hardware and color options

Remember, investing in a quality, warranty-backed window replacement now means not having to replace them again in a few years. Lasting quality windows also provide better energy efficiency, wider views, and enhanced style options.

Contact Renewal by Andersen near El Cajon today to learn more about our superior materials.

20 Year Durability Study

When we say our windows are built to last, we mean it. To test their quality, we pulled 20-year old Renewal by Andersen windows out of their openings to inspect them. These replacement windows had weathered two decades of every type of weather in a variable climate. They had been used often in all seasons, and hadn’t bent, bowed, faded, chipped or broken down over time.

That’s the kind of lasting durability you can expect from every custom window designed and installed by our window contractors. See the Renewal by Andersen difference for yourself!

Window Replacement Warranty

We’re so confident our windows will stand up to the test of time that we back each one with an unbeatable 20-year warranty. That means you can expect unparalleled performance during the entire life of your windows, and if you do have any questions or concerns, you can easily get in touch with a customer care team that’s truly dedicated to your satisfaction. Ask your design consultant for full details, and start enjoying lasting peace-of-mind today.

Frequently Asked Questions About Our
Window Replacement Services in El Cajon, CA

How much does it cost to replace windows in El Cajon?

Each replacement window and door from Renewal by Andersen is custom built according to each customer’s specifications. The cost of custom windows and doors does vary while also factoring in the size of your project. Check out our monthly discounts or call our El Cajon team today to discuss flexible financing. Homeowners can also explore our special offers here.

Who replaces windows near me?

Explore all the installation services Renewal by Andersen in El Cajon has to offer homeowners in the surrounding area. From design to installation, our team of experts will help you through every stage of your replacement project. Learn more about our service areas here.

How do I know if I need windows replaced?

Reasons may vary but often are determined by age or poor performance. If you’ve noticed that your windows in El Cajon are difficult to open, leaking, or fogging with condensation. Windows should be replaced every 15 to 20 years for optimal performance benefits.

What time of year should I replace my windows in El Cajon?

While peak season is typically in spring and summer, our installation services are available all year long in El Cajon. We’ve developed a streamlined process that ensures an efficient installation that minimizes your life interruption, even in the heart of the winter season.

Can I install Renewal by Andersen windows myself?

El Cajon homeowners value the opportunity to customize their ideal replacement windows. Since the windows are custom designed, they are not eligible for self-installation. Renewal by Andersen offers a start-to-finish process that includes efficient installation and access to industry-leading experts.

How long does it take to replace windows in El Cajon?

While each project’s timeline varies based on the size of the project, Renewal by Andersen in El Cajon has developed a tried-and-true installation process that minimizes your life interruption as much as possible. Discuss your project’s specific timeline with our specialists during your free consultation.

What to expect during window replacement?

You can expect to receive Renewal by Andersen Signature Service which brings together the best people in the industry, a superior process, and an exclusive product. From design to installation, we are committed to providing efficient replacement window service in El Cajon for each customer.

Does Renewal by Andersen offer a warranty?

With an industry-leading warranty, El Cajon homeowners can cover the glass, Fibrex® material, and labor costs, if your custom windows are damaged. Contact our customer care experts for more warranty information.
Visit for details.

French and Sliding Glass Doors Near Me
in El Cajon, CA

In addition to windows, we also serve the area with lasting, custom patio doors. Choose from sliding glass or hinged styles, then add hardware, colors, window, and grille selections to perfectly match or refresh your home. From the inside out, any style door is guaranteed to increase the value of your room with energy efficient, clear views. Read about the distinct benefits of each patio door style.

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

Unrivaled Home Style

Renewal by Andersen windows and patio doors are custom-designed to be the perfect complement to any style house! Each functional or stationary window offers unique options in color, hardware, and grilles to match an existing window or create a more modern look. Either way, our windows and patio doors provide an enhanced view—with narrower frames, clearer double pane glass, and Fibrex® frame colors that won’t chip, crack, peel, or wear down.

Unlike vinyl windows, they’ll also maintain their look and function to perform for years just as well as the day they were installed. See how our home windows improve a variety of houses below.

Serving El Cajon, CA and the Surrounding Areas

Renewal by Andersen serves El Cajon and nearby areas with beautifully energy efficient replacement windows and patio doors. We’re committed to simplifying the process from start to finish, so you can start enjoying your new home improvement sooner than you think. Call or email us to schedule your in-home consultation today, and don’t forget to ask about our special offers.

We Serve El Cajon and Surrounding Regions

El Cajon
La Mesa
National City
Rancho San Diego