10 Best Window Replacement Companies in San Marcos, TX

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Last Updated: February 25, 2025

Replacing your windows can be expensive, but is a great way to increase the energy efficiency and value of your home. If your windows are leaky or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In San Marcos, this can equal an extra $402 per year on your electricity bills. If you're looking for a window installation company, this is the best place to get started. Keep reading to find the best window installers in San Marcos.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Best Customer Service
4.3/5
  • Great customer service
  • Transparent pricing
  • Award winning company
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty

Top 10 Best Window Replacement Companies in San Marcos

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen Window Replacement

Renewal by Andersen Window Replacement Logo

Our Rating

User Rating

3660 Thousand Oaks Dr Suite 208, San Antonio, TX 78247 (210) 951-2082 sawindowsdoors.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Double-hung
Glass doors
Window replacement/installation
Energy-efficient options
Custom window designs
Vinyl frames
Bay windows

Champion Replacement Windows of Austin

Champion Replacement Windows of Austin Logo

Our Rating

User Rating

9402 Business Dr, Austin, TX 78758 (512) 961-8895 championwindow.com

Good customer service

Price transparency

Free assessment

Services Offered

Window replacement/installation
Double-hung
Glass doors
Bay windows

Champion Replacement Windows of San Antonio

Champion Replacement Windows of San Antonio Logo

Our Rating

User Rating

5914 Business Park, San Antonio, TX 78218 (210) 775-6901 championwindow.com

Price transparency

Good customer service

Free assessment

Services Offered

Glass doors
Double-hung
Bay windows
Window replacement/installation

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

1355 Central Pkwy S #500, San Antonio, TX 78232 (210) 585-3398 powerhrg.com

Good customer service

Services Offered

Energy-efficient options
Window replacement/installation

DaBella

DaBella Logo

Our Rating

User Rating

1016 La Posada Dr #200, Austin, TX 78752 (512) 402-3655 dabella.us

Good customer service

Timely service

Services Offered

Window replacement/installation
Double-hung
Glass doors
Vinyl frames

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

7436 Reindeer Trail, San Antonio, TX 78238 (210) 940-0170 theglassguru.com

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

Skylights
Glass repair
Window replacement/installation
Storm/impact windows
Wood frames
Metal frames
Glass showers
Vinyl frames
Fiberglass frames
Tempered glass
Energy-efficient options
Mirrors
Custom glass
Glass doors
Triple pane glass
Screen repair
Window repair

Energy Home Pros

Energy Home Pros Logo

Our Rating

User Rating

5680 Randolph Blvd, San Antonio, TX 78233 (210) 940-1500 energyhomepros.com

Educational website

Free assessment

Good customer service

Price transparency

Timely service

Services Offered

Double-hung
Custom window designs
Glass doors
Window replacement/installation
Storm/impact windows
Energy-efficient options
Vinyl frames
Bay windows

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

2551 S N Interstate Hwy 35, Round Rock, TX 78664 (512) 387-9798 homedepot.com

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

Skylights
Window replacement/installation
Bay windows
Storm/impact windows
Vinyl frames
Glass doors
Custom window designs
Energy-efficient options
Screen repair
Glass showers

Amazing Exteriors

Amazing Exteriors Logo

Our Rating

User Rating

1002 Paulsun, San Antonio, TX 78219 (210) 361-1108 amazingexteriors.com

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

Window replacement/installation
Glass doors
Custom window designs
Energy-efficient options
Double-hung
Bay windows
Fiberglass frames

Window World TX

Window World TX Logo

Our Rating

User Rating

5238 Evers Rd, San Antonio, TX 78238 (210) 767-0995 windowworldtx.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Window replacement/installation
Storm/impact windows
Glass doors
Double-hung
Bay windows
Tempered glass
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In San Marcos?

The cost of window installation or replacement is influenced by a number of factors, including the number and size of the windows, the materials you choose, and how difficult your windows are to access or install. On average, homeowners in San Marcos will spend about $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can significantly enhance your home's noise reduction, comfort, appearance, insulation, and value. Some clear indicators it's time to invest in new windows include the following:

  • Discomfort and high energy bills due to poor insulation.
  • Condensation issues, fogging between window panes, or rotting window frames allowing moisture intrusion into the home.
  • Windows that are difficult to open, close, and lock properly due to age and wear.
  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Cold air and drafts coming in from old, loose-fitting windows.

How To Choose a Window Company

Picking a window installer with the right qualifications helps ensure a smooth installation. We cover the most important considerations for choosing a qualified provider below.

Experience

Look for reputable local companies with many years, ideally decades, of experience successfully installing all kinds of windows. These providers are more likely to understand San Marcos' climate and your requirements. Ask for references from recent clients to verify quality and experience.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in best practices for installation. Confirm that installers are staff, not subcontractors, and verify that any technicians working on your home are certified.

Reputation

Take time to read online reviews, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to make sure that the company consistently delivers good workmanship and service. Steer clear of companies with complaints of poor or incomplete work.

Process

The most experienced window installers will supply a detailed project plan and schedule, clear expectations, and an overview of all material and installation options. Avoid companies that offer ill-defined quotes or timelines that lack necessary details. Look for regular contact throughout to avoid surprises later in the project.

Warranties

Research window installers that back their installations with guarantees, and that offer warranties on products and labor. This indicates confidence in their work. Also seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Ensure that a company installs durable, energy-efficient window brands that work with your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in San Marcos, TX

In San Marcos, the optimal time to install windows is during the winter when the temperatures are not as high, so the windows can fit and settle properly. A professional local window installer in San Marcos will be able to tell you when the best time is to install windows on your home.

The best type of replacement window for your San Marcos home will vary based on your home's age, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's more modern — so your new windows match. Wood windows can give a traditional look and appearance, while vinyl-framed windows are more popular in more modern homes. Fiberglass windows are also a popular choice, as they can be energy efficient and long-lasting.

You can save money on window installation by going with a less expensive option like single-hung windows with vinyl frames. These have lower costs compared to other kinds of windows such as wood, fiberglass, or double-hung windows.

If your area has higher than average energy costs, it may be beneficial to replace all your windows at once. Replacing all your windows at once can greatly improve your home's energy performance, and could help you to save money on your energy bills over time. This is especially beneficial in a place like San Marcos, where energy bills tend to be high.

Yes, many window companies offer financing for their services. Different companies have different financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $47,394 a year in San Marcos, you may be able to qualify for special payment plans.

Window companies in San Marcos typically offer a wide range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and installing window treatments. They may also offer additional services such as weatherproofing or cleaning.

Hiring a professional window installer helps guarantee the job is done correctly. Professional installers will measure to get a perfect fit and use the right materials and techniques to ensure your windows will be properly sealed and secure. Additionally, professional installers are likely to have access to higher quality materials and more knowledge than the average person, so you can count on your windows to be put in correctly and last for years to come.

Other San Marcos, TX Home Services

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