Logo of Window Depot USA of St. Louis (XteriorPRO)

Window Depot USA of St. Louis (XteriorPRO)

  • 5988 Mid Rivers Mall Dr #238, St Peters, MO 63304
  • Commercial Roofing
  • Industrial Roofing
  • Residential Roofing
  • Financing Available
  • Licensed & Insured
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

About the Business

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What people say about “Window Depot USA of St. Louis (XteriorPRO)”?

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Recommended Reviews

Overall Company Rating
Excellent 5.0
Out of 71 reviews
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Alyssa Tucker
Jul 29, 2025

We had a great experience with Window Depot from start to finish. The pricing was fair, the communication during the entire process was great, and the installers Sean, Chris, and Ryan worked so hard in the heat and cleaned everything up better than they found it. I'd highly recommend.

Christopher Mead
Jul 25, 2025

I was referred to Window Depot by a trusted source. I talked to them and did my diligence, talking to a few others. Window Depot did not have any whacky offers, no zany deals, no fly-by-night coupons, no cheap special buys. All they did was ask questions to understand the needs of our situation, and got a complete history of our current windows and our concerns and hopes. They promised they would take care of all our needs and get us a great product that would last us for generations. Jason went over every feature of our choice and showed all the options to make sure it was exactly what we hoped for. Then the install day came. They took such immense care with our home, They explained the process, talked about issues with the previous windows, and assured us they would do everything possible to make sure we never have trouble again. We were impressed with the entire process. The windows are beautiful, we know we are good for many, many years to come. To boot, rooms that had previously been problem areas (too hot or too cold) were no longer an issue. We have been able to adjust the thermostat up 3 degrees and the house feels great.

If you need windows, give Jason and Windows Depot a call. You deserve the best and they will give it you.

Chris Roberts
Jul 14, 2025

We had our windows installed last week by Thomas, Alex, and Sam. They knocked out 6 windows in less than two hours. Couldn't be happier with their work.

ca ve
Jul 11, 2025

Loved the teamwork and interaction of everyone involved. Sean, Ryan and Chris were very courteous and answered all my questions during their installation. Choosing Window Depot was a great choice from the sales contact Brent, to the project lead Rick, to the install crew. I will use them again if the need arises again.

Lee
Jul 3, 2025

Chris, Shawn & Ryan did a great job installing my windows! Very personable; cleaned up everything; and they completed the job in a timely manner. I would recommend them for your window needs.

I would like to add that Dominic & Rick did a good job thru the ordering process.

Robert Swanger
Jul 1, 2025

Tom and Alex installed a new entry door for us today (7/1/25). Their work was excellent, they went above and beyond in making sure everything was installed properly, all debris was removed and clean up. Very professional workmen. Couldn’t be happier in their abilities.

The door looks marvelous and definitely will enhance the appearance of our home and our energy performance.

Thank you very much Window Depot, Tom and Alex.

Bill Marchlewski
Jun 25, 2025

Great products and services. The install exceeded our expectations. The install team of Chris, Ryan, and Dominic are top notch. Highly recommended!!!

Adam
Jun 25, 2025

It was a great experience from the beginning! From Jason and Dominic on the sales team to Rick the project manager and Chris, Shawn and Ryan on the install. We are very happy with our windows and can already tell a difference in how much cooler the rooms are. We will definitely work with them again for any future needs.

mharashe harashe
Jun 24, 2025

I was initially impressed with the estimate and professionalism of the Jason Quillman when we met to discuss replacement windows for my home. The windows were ordered, arrived and were installed in a timely manner. They communicated with me frequently throughout the entire process.
The installation crew, Sam Thomas and Alex were personable, considerate of my property as well as my time and were extremely professional. Their installation only took a few hours and they ensured no mess was left behind.
I love my new windows and would definitely use Window Depot STL again for any future window needs.
Michele, St. Louis, MO

Ralph Moore
Jun 11, 2025

The installers, Sean, Ryan and Chris were very helpful and knowledeable during the entire process. They arrived at the appointed time and started to work immediately.They were also very friendly and affable. This is the second time we have used Window Depot to install our windows and we have not been disappointed. Great job gentlemen! Way to go! I will not hesitate to recommemd them to friends and family.
Great company.

Ryan McCluskey
May 24, 2025

Window Depot replaced 8 rear windows and a sliding glass door on my house after horrible storm damage. Everyone from Brent in Sales to Rick the project manager and then Sean on the install team were wonderful to work with. They answered all my questions and were responsive to phone calls and texts. I love my new windows and can’t thank them enough. I even had a broken screen and cracked sash on one of my windows, which Sean caught during install. They fixed both in a timely manner. I would highly recommend the window depot team.

James Van Horn
May 22, 2025

Ryan, Chris, and Shawn were a great team installing 19 windows and one french door in our house. They were very courteous and professional and did an excellent job. We would be happy to use them again and highly recommend them for any work you need done.

Brian Worth
May 12, 2025

Window Depot was fantastic from start to finish, and beyond. Jason was on time and very clear and concise in his presentation with absolutely no pressure. Communication throughout the process was thorough and left no doubt as to what and when the next steps would occur. During the install, Ryan and Chris explained exactly what they would be doing and they went about their business wasting no time. When completed they cleaned up everything and except for the new windows we couldn't even tell that they had been here. Highly recommended.

SUSAN V JOHNSON
May 1, 2025

I was very pleased with Window Depot. Chris, Rich, Sean and Ryan all did a great job. They were very professional. They were on time and worked at it and did a good job of cleaning up when they were finished with the work. They made sure I knew how to operate/use the windows correctly. All in all a great job! I would recommend Window Depot to anyone looking for new windows! Thanks!

Mary Long
Apr 24, 2025

Starting with Brent, our salesman, to Rick, Chris, Ryan & Shawn, the crew, top-notch service! Brent took time to explain the process, show me the product & explain payment options. Not once did I feel pressured. Felt extremely comfortable. What a fantastic product for such a reasonable price! I noticed immediately our house was much quieter. That's a huge plus with living on a busy street! Our crew were very professional and worked very well together. Friendly, talkative but definitely got down to business & did a great job! I would DEFINITELY recommend this company if you're looking for windows!

Tim Weinhold
Apr 9, 2025

True professional service! Jay, Brent, Rick and the entire team did a great job on our project. We had 41 windows replaced. Every step in the process was well communicated and completed on time.

Shane Jones
Mar 26, 2025

We replaced all our windows, and our patio door. We could not have been happier with the results. This includes all aspects of the process - outstanding service, excellent windows, professional installation, timely communication, etc.

Kevin Ahlers
Jan 4, 2025

Very good quality windows great installation good service give them five Five stars Chris and Payton the installers did a fantastic job

Carroll Metzger
Nov 29, 2024

My new windows look great! They did everything they could to be sure the installation went well and it did, the guys were efficient, polite and did a great job. Thanks!

Mack Collins
Nov 26, 2024

Great people to work with. I got their best windows, they were not the cheapest quote but researching the people and product got me to step up to the best. A minor cosmetic issue is being addressed quickly.
A big thanks to Bret, Chris, and the install crew, Alex and Thomas. Honest and courteous folks.

Mike and Patty Mund
Nov 21, 2024

Window Depot replaced most of our windows recently, and we are extremely happy with the windows and the amazing customer service we received. The project was completed as expected, in the estimated timeframe, and we found the employees to be very friendly and helpful; they seem to truly care about doing good work and keeping us happy as customers. Chris was great with some minor follow-up work, and I also wanted to mention that their sales rep (Brent) was very helpful, knowledgeable, and responsive to any questions we had throughout the process of ordering. Highly recommend Window Depot!

Kathy Luther
Nov 1, 2024

We had a very positive experience with Window Depot. We worked with Brent after a severe hail storm. He was very professional and helpful throughout the entire process. Brent was always available when we had questions...his customer service was amazing. Chris, the Production Manager, was also great to work with. He went above and beyond our expectations to make sure we were happy with our windows installation. We would definitely use Window Depot again.

Samantha Bina
Oct 28, 2024

A+++++ service, highly recommend Window Depot. They had great communication, showed up on time, quick installation process with professional employees.

Jim Hennessey
Oct 24, 2024

We used Window Depot for our doors and windows because of their great reviews, and their superior product and service. They did not disappoint! From the inital visit to the follow up after installation - everything was superb. The salesperson was very knowledgeable and didn't apply pressure. The installers were super professional and very friendly. And lastly, the manager even came by after installation to make sure everything was done to our satisfaction. All of this, and the high quality product, for less money than the other companies. HIGHLY RECOMMEND!

Sandy Cowles
Oct 9, 2024

We love our windows and the install crew were great guys. Everyone has been so attentive to any questions we had and addressed them right away. Would highly recommend your company.

James Hutchinson
Sep 20, 2024

Fantastic company to work with. They contacted my insurance company and it went right through. The windows (13) were installed in less than a day.

Michelle Wiedl
Aug 31, 2024

We had to replace just a couple of windows. We also needed one window to be framed out and made a little smaller. We are very happy with how the job was done. The windows themselves are well constructed and easy to use. Every person we dealt with at Window Depot was friendly, knowledgeable, and timely. We will use them when we are ready to replace the rest of our windows. Highly recommend this company.

Carrie McArdle
Aug 30, 2024

Thank you Jason for everything, thank you Angie for consult & absolutely thank you to Alex & Thomas on installing, you guys killed it ! I highly recommend this team, excellent product & service from beginning to end ! I’m so happy with our door & now wanting kitchen windows

Frank McCarty
Aug 22, 2024

We are so happy with our new windows. Jason was there from start to finish even after the job was completed. Great company that are hard to find these days.

David Vreeland
Aug 17, 2024

We had 15 windows across the back of our house replaced. We are very pleased with the outcome of the project. It was all done in one day.

M and A
Aug 2, 2024

We have known Jason for 10 years now. He has done several projects for us over the years. Jason is the most honest, caring person. He is true to his word. His workers show up on time and get the job done in the timeframe we were told. They always clean up before they leave. The doors are beautiful. Great quality. We never have any issues with Jason's company. He stands behind the products and the workmanship. This is a top notch business. He always goes over the products with you to make sure you understand what you are buying and that this is the exact item you want before signing anything. This is the best company we have ever worked with. Thank you Jason.

David Kashmerick
Jul 24, 2024

Could not be happier with the entire experience. Started with getting three different quotes for windows. Window Depot was our last one and made the choice easy with the quality of the product and the price. Installing the windows was a few weeks ahead of schedule and took about 1.5 days for 25 windows. They followed up afterwords to replace a few small items that were damaged upon delivery. Happy we chose Window Depot.

J K
Jul 23, 2024

I just had my patio door( door and large fixed window) replaced by Window Depot and I am so pleased.
Brent Varner, the salesman, came to my house for the initial consultation. He had samples, explained everything and helped me match the color.
Mr. Varner took measurements and then had the installation crew follow up with a second measure.
The door was ready sooner than expected!
The installation crew lead by Thomas Ray removed my old door and rotting wood trim. They installed the new door perfectly. It matches my wood trim exactly!
Before leaving they made sure I was satisfied, showed how to properly work the screen and cleaned up after themselves.
Thank you to this wonderful crew and company for a job well done!

Joy West
Jul 23, 2024

Great job you guys
Looks beautiful, color is great
Looking forward to no more waterfalls coming from old gutters and nothing stopped up
Kept on time stayed on job untill finished
Definitely a 5 star job
Very happy

Stan Lubiewski
Jul 18, 2024

Was a great experience. Brent came to our house and showed us samples, measured the windows, and placed the order. Jason came and checked the measurements to make sure it was right.
They called to let us know the windows were in and scheduled the installation.
They came out and installed them, cleaned up and they look great.
Totally satisfied with Window Depot and highly recommend them.

John Dooley
Jul 16, 2024

We had a great experience using Window Depot to help us with our hail damaged windows. They made it easy to work with our insurance as well. In addition, they have a great referral program to tell others about their services.

paul lavista
Jun 27, 2024

Absolutely thrilled with my new windows. The owner Jason came out personally, and gave me a bid. Told me windows had to be made and it would take six weeks and then they would install them. Windows arrived two weeks early. They were out here and installed the same day noticed the difference instantly in the cooling of my building with the AC. crew was very professional and cleaned up better than it was when they got here. I highly recommend this company to anyone. And you cannot beat the Warranty!!!!!! Thanks guys godspeed! Paul

Shirley Schubert
Jun 12, 2024

They are professional and kind. I had to call a couple of times with questions and they helped me. Everyone is great. They have done all our windows in our home. We would highly recommend!!

Lisa Etling
Jun 7, 2024

Highly recommend! Great experience from the start. Brent in sales answered all our questions and was readily available. The install team took care of business quickly, efficiently and cleaned up after they were finished. The windows are high quality. I love the way they look but more importantly we notice the difference in the temperature in those rooms (the sun really used to make the rooms hot in the summer) and how much the outside noise has been reduced.

Aurea Valentine
Jun 2, 2024

Awesome experience, everyone was courteous and professional. The installers were efficient in removing and replacing the windows quickly, answered all my questions and cleaned up after the job was completed. My experience was wonderful and I have recommended your company to a friend. Thank you!

shea murray
May 29, 2024

Very pleased with the service provided! Decided to upgrade to black windows, after receiving some hail damage, and definitely was the right decision. The entire process was seamless. Great overall customer service and the install team was top notch, as well. Highly recommend Window Depot, StL for all your window and door needs.

Ralph Moore
May 23, 2024

Windows look fantastic! The workers were very friendly. They came in ,did their work, cleaned up ,and were out in less than 4 hours. Brent is the point man and he's on top of it. He's very thorough in his presentation and everything went as planned.

Patti Romine
May 17, 2024

Great job. The windows are a top quality and have really made a difference. The crew was top notch. Very professional and took great consideration to insure the job was done properly without any damage to the surroundings.

Ryan Gannon
Apr 15, 2024

They were professional all the way through the process from the bid to the cleanup. I would highly recommend using them. Great product, fair pricing and great service. Can’t ask for much more than that.

Michael Ambrose
Apr 2, 2024

Windows installed yesterday, stormed last night. Inside house dry, windows still in place.

Kids impressed with how quiet new windows are.

WD patiently answered all my questions.

Highly recommend.

C D
Mar 30, 2024

Professional and courteous installers. The process was super easy and quality of work was great. I also appreciate they followed up after the project was completed to ensure everything met our expectations. Highly recommended.

Ryan Zimmerman
Mar 24, 2024

Very professional! I had to have a window replaced because of hail damage and Window Depot was very helpful, with great communication, and attention to detail. I highly recommend them.

Chris Lutz
Mar 4, 2024

Jason and his crew did an excellent job. Very friendly and easy to work with. They kept us informed throughout the entire process and completed the job as promised. The windows they installed are much nicer than what we had. I would definitely recommend giving them a call.

Patrice Brinkman-Engle
Feb 22, 2024

Very happy with service and products! Very professional service and especially impressed with sale and communications from Brent Varner! Considering other improvements with their service!

mark laack
Feb 20, 2024

The guys at Window depot were great! They were prompt, quick with the window replacement, and clean. Thanks for a great job guys!!

adam arnold
Jan 23, 2024

My house was needing the windows to be replaced and this is not a task I've ever been through. My house is about 15 years old and had the contractor grade windows when the house was built and I've been having a lot of issues with heat loss in the winter and heat gain in the summer and I've done a lot to my house to help address these issues, which helped, but never solved the issue. I reached out to several window companies to get quotes and after meeting with Brent at Window Depot I looked in to the company and found that here in STL they have a great reviews including with the BBB. While Window Depot wasn't the cheapest option, I felt they had the best option for the ROI (return on investment). They have the best warranty, a great manufacturer (ProVia), and great product. The back of my house has 4 windows and 1 sliding glass door and they all face south so from the time the sun comes up until it goes down that part of my house is getting hammered with direct sunlight as we don't have trees close enough to our house to shade anything. Due to this I opted for the built in tint to help protect the interior of our house, provide a little extra privacy, and help my HVAC to maintain the interior temp. This added to my cost but this was very little in comparison to the overall cost and well worth the investment. If you have windows that get more than a couple hours of direct sunlight, I highly recommend spending the little extra for those windows and get the tint. My windows have been installed a little less than a week and just in time for a polar vortex and the difference the new windows has made on the comfort inside my house has been stark. I'm very pleased with the ordering process, thank you Brent, the install process, thank you Thomas, the look of the new windows, and the performance. This was not a small investment but well worth it. I pray I never have to make a window investment again, who does? If I do though, Window Depot will be the first place I turn to. They have earned my trust and business.

Andrea Barley
Jan 23, 2024

After living in our home for 15+ years, my husband and I had gotten relatively used to our master bathroom being overly warm in the summer, and chilly during the winter months. In 2023 a massive hail storm damaged both corner windows in our master bathroom, and I'm so glad that Window Depot of St. Louis was referred to us (as a highly reputable company) by our roofing/siding contractor. From beginng to end, Jason was absolutely wonderful to work with. He personally came to our home to measure each window, and then provided my husband and I with multiple window style options to choose from. Jason's expert option helped us to pick out windows that suit our needs perfectly, and we are very pleased with the end results. All work was done timely and professionally, the price was right, and our master bathroom now holds a consistent temperature no matter how hot or cold it gets outside. Thank you Window Depot of St. Louis!

Brian Grunwaldt
Jan 23, 2024

Everything went as planned from measurement to install. Installation was smooth and done professionally. I would highly recommend Window Depot

Elizabeth Young
Jan 9, 2024

Jason and Lisa provided extraordinary customer service. No detail was too small and they communicated all aspects of the work to be accomplished in easy to understand terms. Their team of tradesmen were efficient, professional and respectful of our home. Thus the five start rating.

Bill Young

Nancy Crawford
Jan 5, 2024

Jason and his team were amazing!! Everyone was so professional, and the install team was super clean and finished the job quickly. I would highly recommend them for all your window or door needs!

Jerry Gettemeier
Nov 2, 2023

We had a few problems with the blinds in the windows but Jason stayed on top of it and eventually fixed the problem for good. I feel he went above and beyond to make sure we were happy. Great owner!

t yeager
Oct 4, 2023

Our experience with Window Depot was top notch. Everything went smoothly from the purchase to the measuring and the install. Our windows look great and I know they will last for years to come. Thank you!

Dawn Williams
Oct 1, 2023

Window depot USA of St. Louis were wonderful to work with from initial phone call the the install. I love my new windows and sliding door. Highly recommend them.

Jamez Lenz
Aug 17, 2023

Working with Window Depot was a professional and smooth experience. Everything worked out great and my new sliding door looks fantastic.

Cynthia Mamelian
Jun 29, 2023

This company's customer service was outstanding. I can't say enough good things about this company. From the sales staff to the installers they were very professional. Quality windows, great service.
Very easy to work with. They did a great job.

Mike Davis
Jun 6, 2023

I want to thank window depot STL for doing a phenomenal job and helping me choose the right window for my home. They were professional, they kept me informed on my window order, and they asked me if I needed anything. The installers arrived on time, did a great job installing them and cleaned up behind themselves. The windows look professionally installed and I already notice the difference. One of the owners Jason even came by later on that day to see how well a job they did and he was surprised they were already done. I highly recommend window depot STL for their professionalism, skilled installers, competitive prices, and overall performance. Thank you.

Dennis Robinson
May 23, 2023

Very responsive and courteous, crew took care during all stages, and finished products look great. The owner even came by for a follow up to ensure the work was completed to his standards. Highly recommend this company!

Joan Grillion
Feb 18, 2023

We first met Jason Q and Lisa when they represented LeafSolutions Gutter covers. We weren't impressed with the gutter covers we already had and they convinced us their product was the best solution. They were so right. They worked so well we immediately had them installed within weeks of moving to our next house. When it was time to replace our old windows that iced up and melted every winter, we called XteriorPro for an estimate.  Their sales representative, Brent, wasn't pushy but was knowledgeable and convinced us with a great price and product. The windows arrived sooner than expected. Mike and Brandon, did a terrific job installing our windows. We appreciate the professionalism, good communication, punctuality, and after-job cleanup. Highly, highly recommend Window Depot.

Richard Rose
Nov 24, 2022

They replaced my rain gutter guards. Customer service was outstanding, as they kept me informed of installation delays (due to weather) and had excellent follow up.

kathy yenzer
Nov 21, 2022

Everyone with Window Depot were very professional. I had Mike and Brandon come and install the windows last week. The windows came in earlier than expected and these guys did a great job and clean up everything when done. It took a bit over 5 hours for the install of 7 windows. The bid I got was significantly lower than the other one from a competitor for similar windows. So far, I am loving the new windows.

fred bailey
Nov 5, 2022

My new window looks great. The installers did a professional job and were very easy to deal with. The whole experience was positive.

Natrice Romeo
Oct 26, 2022

The workmen were awesome. The windows and front door are beautiful. There are no leaks and I can already tell a difference in the temperature of the house. 10/10 would recommend

Sandy Schumacher
Oct 7, 2022

This company is beyond AMAZING!!!! They recently installed our windows which are beautiful. We were on vacation when they called to say they had a cancellation and could do the install early. They stayed in contact with us during the process with updates. We came home to a completed install. There were no signs that there had been any construction done. Everything was clean and in place. Then they followed up with us to make sure we didn't have any questions or concerns. Someone came out to go over how they worked for cleaning, etc.. This is a company I would HIGHLY recommend. They are very professional, timely and helpful. We will definitely use them for any future needs. Thank you Window Depot Team

Jackie Rosko
Aug 8, 2022

Jason came out and gave me professional advice on the repair of my windows. He went above and beyond to assist me and took time out of his day to get me the information I needed even though his company was not responsible for the repair since it should be covered under a different warranty. Very professional, upfront & honest.

Pamela Burns
Apr 29, 2022

The installers were on time, very professional and friendly. I'm super satisfied with the new windows and patio door! I will definitely recommend XteriorPRO!

This is my second post on Window Depot for new windows and windowsills installed April 2025. Brent the sales guy is great, friendly and professional. Chris and Ryan, the installers were extremely professional friendly and courteous. During the window install they were playing music and singing while they worked which was refreshing to me. They definitely enjoy what they do! The installation went great except they didn't install the windowsills with the new windows because of some mix up, I'm not sure what. However, Window Depot did finally install the windowsills the following week. Chris and Ryan returned to do the install of the windowsills. Again, Chris and Ryan were just as friendly and professional as they were when they installed the windows. Despite the hiccup with the windowsills I definitely recommend choosing Window Depot. Everyone at Window Depot Brent, Angi, Chris and Ryan are the best! Thank you for the excellent service.

Gary G
May 9, 2020

Great product and even better service. Jason made it easy to choose the right product and had installed earlier than promised with zero problems. Would use these guys for any home improvement project.

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  • 5988 Mid Rivers Mall Dr #238, St Peters, MO 63304
  • Commercial Roofing
  • Industrial Roofing
  • Residential Roofing
  • Financing Available
  • Licensed & Insured
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

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