Certified by Window World of Cape Girardeau • Mar 22, 2026
Window Installation ServiceWindow SupplierDoor SupplierSiding ContractorHome Improvement StoreWindow World
Experience Window World's unrivaled ENERGY STAR replacement windows, doors, vinyl siding, shutters and more. Contact us to schedule your free in-home or virtual quote today!
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Wheelchair accessible entranceAvailable
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Certified by Window World of Cape Girardeau • Mar 22, 2026
Certified by Window World of Cape Girardeau • Mar 22, 2026
Reviews
4.6
279 reviews
5 stars
245
4 stars
6
3 stars
5
2 stars1
1 star
22
KC
Katherine Cassout
2 days ago
5.0
John was very professional and did an amazing job!!! I’m so happy with my new windows.
GB
Geoff Brothers
Mar 18, 2026
5.0
John did an excellent job. Kept us well informed. Job is very professionally done.
RJ
Ronda Jones
Mar 14, 2026
5.0
He was in and out fast and did a great job.
MT
Melissa Trinh
Feb 16, 2026
1.0
A sales rep came out for an estimate last week, while he was there it was mentioned that we were thinking of a specific type of siding. The rep said that they didn’t have that type anymore- so we said ok, of all the types of siding we were certain we would be able to find another type. We were looking for new windows and siding, so we were just going to get the estimate and think about the siding. The rep was there maybe 15 mins, he didn’t measure anything let alone get any information he would need to send a quote. Despite that, we were told the estimate would be emailed to us, after not getting it- we called Friday afternoon to see if we could come by and get it. After being put on a hold, a manager got on the phone and said “we can’t help you, we don’t have anything for you” no explanation - zero kindness, zero empathy, ZERO customer service- nothing. He was incredibly rude. After sitting with it all weekend, I decided to call today to see if I could figure out what happened. As soon as the manager picked up the phone he was rude- I explained what happened and the manager kept saying “we don’t have product for him” so I ask, what product? You don’t have anything? The manager kept saying we don’t have the siding he is wanting. I said multiple times that we were not stuck on that kind of siding- it was just what we thought we wanted. I am so confused why they couldn’t just say “we don’t have that type of siding but, we have other options, here are some that are a similar, or some that may be good options”.
I cannot believe that people chose to run their businesses like this in this day. This “manager” is not deserving of anyone’s business or money. I get treated better at Walmart. Do yourself a favor and don’t bother. There are many other options!
LG
Lonnie Griggs
Feb 13, 2026
5.0
Window World did a great job replacing my windows. The entire staff was super friendly from start to finish.
Frequently Asked Questions About Window World of Cape Girardeau
What types of payment methods and financing do you offer?
We offer a variety of payment methods and financing options (subject to credit approval) 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.
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