Certified by Window World of Southwest Texas • Mar 01, 2026
Window Installation ServiceWindow SupplierDoor SupplierSiding ContractorHome Improvement StoreWindow World
Experience Window World's unrivaled ENERGY STAR replacement windows, doors, vinyl siding, and more. Contact us to schedule your free in-home or virtual quote today!
Location
Certified by Window World of Southwest Texas • Mar 01, 2026
Certified by Window World of Southwest Texas • Mar 01, 2026
Reviews
4.3
191 reviews
5 stars
148
4 stars
7
3 stars
7
2 stars
6
1 star
23
What are people saying?
AI-generated from recent customer reviews
Installation Quality
Customers praised the professionalism and efficiency of the installation teams, noting their attention to detail and cleanliness during the installation process.
Sales Experience
Many customers highlighted the helpfulness and professionalism of the sales representatives, particularly Chris Woo, who provided thorough explanations and support throughout the purchasing process.
Customer Service
While some reviews commended the overall customer service, there were notable complaints regarding delays in communication and order fulfillment, leading to dissatisfaction among certain customers.
Product Satisfaction
Overall, customers expressed high satisfaction with the quality of the windows and doors, noting improvements in energy efficiency and aesthetics.
RB
Roland Bachelier
Feb 24, 2026
5.0
We recently had our windows installed by Window World. Our salesperson Suzy Martinez was amazing. She showed us all the great options that were available. We bought 13 windows and a new patio door. The installation team led by "Danny Boy", were on time and worked throughout the day and did an amazing job. They were efficient, polite and very clean with the job site. After seeing how nice the new patio door was, we opted to purchase a new front door as well. We are very happy with the quality of our windows and patio door, and can't wait to have our front door installed in the near future. I highly recommend Window World of Southwest Texas for your window and door needs.
LS
Larry S
Feb 20, 2026
5.0
Thank you Chris for working around my work schedule and giving me an estimate for my window. Thanks to Danny and his crew for a great job they did installing my window. Very professional crew. Will continue to work with Chris for estimates and will like for Danny and his crew to install the rest of the windows in my house.
AR
Avid Reader
Feb 20, 2026
4.0
Great installation friendly office staff and Susie did a great job explaining everything and helping me select my windows with confidence that the product and service I was receiving was top notch! Thank you everyone at Window World for a great experience. Will recommend and use your office again!
IH
Irma Hernandez
Feb 13, 2026
5.0
Very professional.. provided detail information on the process the cost and estimate time it would take. The gentleman that came to install were very courteous and did a great job with the installation.
MS
Melissa Schoenberg
Feb 3, 2026
5.0
We had a great experience working with Chris Woo at Window World. He was easy to work with and made the entire process simple from start to finish. The installation was quick and smooth, and the new windows and patio door along with the venting work we did have made a noticeable difference. We have already seen a significant reduction in our energy bills and could not be happier with the results. Highly recommend Chris and Window World.
Frequently Asked Questions About Window World of Southwest Texas
What types of payment methods and financing do you offer?
We offer a variety of payment methods and financing options (subject to approved credit) depending on promotional period. Please contact us for more information regarding available options.
Will the replacement windows be installed from the inside or outside?
The majority of our replacement windows are installed from the outside. In some situations it may be necessary to install from the inside. On the day of installation, your installation expert will assess your unique situation and explain the process that will best suit your home.
Do you install replacement windows year-round? If so, will I lose a lot of heat/cooling at the time of installation?
Window World installs replacement windows year-round. An average installation will take only one day. Our crews install one window at a time and are trained to do what they can to minimize heating/cooling loss. The energy savings from your new windows will recover any incremental energy costs incurred during their installation many times over during their lifetime.
How can I prepare my house for my replacement windows?
Please take down curtains, blinds, or any other window treatments. Security sensors should also be removed and turned off by your security company. Please provide our installation expert with a clear path to the window(s) being replaced by moving anything that may be in the way. It is also advisable to remove all wall decorations from the walls close to the windows as they may fall during removal or installation.
How long will it take to get my replacement windows? How much time should I allow for the installation?
Since every window ordered is custom-built to fit your home and design choices, manufacturing times vary. Once delivered, the type of window being installed and the type being removed help determine the amount of time needed to complete the job. On average, each window takes about 30 minutes. Trim work and cleanup will require additional time to complete. An average job will take a single day.
What type of warranty is available for my windows?
All windows and patio doors we sell come with a manufacturer’s lifetime limited warranty and a repair labor guarantee, good for as long as you own your home! Contact us or see our warranties page for more details.
What happens to my old windows?
After installing your new replacement windows we remove all old windows from your property and dispose of them properly. If you wish to keep your old windows or storm windows, please notify the installation crew as soon as it arrives for your installation.
What do I do if there is a problem with the windows?
Most of the issues encountered by our customers are easily corrected and don't necessarily mean that there is a problem with your window. You are always welcome to contact us for help.
What payment methods and financing options are available at Window World of Southwest Texas?
They offer cash, check, and financing options, subject to approved credit and promotional periods. Contact them for current available options.
Are replacement windows installed from the inside or outside?
Most replacement windows are installed from the outside, but installation experts will assess and explain the best method for your home on the day of installation.
Does Window World of Southwest Texas provide year-round window installation, and how do they minimize heat/cooling loss during installation?
Yes, they install windows year-round and complete installations typically in one day using a one-window-at-a-time process that minimizes heating and cooling loss.
How should I prepare my home for window replacement?
Remove curtains, blinds, window treatments, and wall decorations near windows. Security sensors should be turned off. Provide a clear path for installation.
How long will the installation and manufacturing of custom replacement windows take?
Manufacturing times vary since windows are custom-built. Installation averages about 30 minutes per window, with additional time for trim and cleanup, usually completed in one day.
What warranties are offered on windows and patio doors?
All windows and patio doors come with a manufacturer’s lifetime limited warranty and a repair labor guarantee valid for as long as you own your home.
What happens to old windows after replacement?
Window World removes and properly disposes of old windows unless you notify the installation crew beforehand that you wish to keep them.
If there is an issue with my new windows, what should I do?
Contact Window World for assistance; many common issues are easily corrected and don’t indicate a defect.
What are the business hours of Window World of Southwest Texas?
They are open Monday to Friday from 9:00 AM to 5:00 PM, and Saturday from 10:00 AM to 2:00 PM. Closed on Sundays.
Which nearby places can I visit before or after my visit to Window World of Southwest Texas?
You can visit nearby places like Angry Owl Southwest Grill & Cantina for dining, The Backstreet Gym for fitness, or The National Bank Of El Paso for banking needs, all located near Window World on North Mesa St.
Is there a salon or spa near Window World of Southwest Texas where I can relax?
Yes, Ladies & Lords Hair Design and LCI Hair Studio, both beauty salons offering various services, are conveniently located nearby.
Are there any real estate-related services near Window World of Southwest Texas?
Nearby real estate services include Sierra Title Co., Realtor Charilyn, RC Properties, and EXIT Southwest Realty, useful if you are considering home improvements or moving.
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