Certified by Window World of Green Bay • Mar 01, 2026
Window Installation ServiceWindow SupplierDoor SupplierSiding ContractorHome Improvement StoreWindow World
Since 2002, Window World of Green Bay has been your trusted local choice for home improvements. We're locally owned but backed by a nationally known reputation, dedicated to offering Superior Products. Professionally Installed. At a Guaranteed Low Price. Explore our wide selection of energy-efficient windows—including double-hung, versatile sliding, and elegant bay styles—plus durable entry doors, beautiful patio doors, protective storm doors, and stylish shutters. Our team is committed to unmatched craftsmanship and exceptional customer service, ensuring every project not only meets but exceeds your expectations. As America's largest exterior remodeler, we're here to truly transform your home. Experience the Window World difference today!
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Location
Certified by Window World of Green Bay • Mar 01, 2026
Certified by Window World of Green Bay • Mar 01, 2026
Reviews
4.0
121 reviews
5 stars
86
4 stars
5
3 stars
2
2 stars
4
1 star
24
What are people saying?
AI-generated from recent customer reviews
Customer Service
Many customers praised the professionalism and friendliness of the staff, particularly the installers, while some reported poor communication and rude interactions with office staff.
Installation Quality
Overall, customers were satisfied with the quality of installation, noting attention to detail and cleanliness, although there were some complaints about mess left behind.
Warranty and Follow-up
Customers appreciated the warranty service and responsiveness to issues, but some expressed frustration with delays and lack of communication regarding warranty claims.
Pricing
Window World was frequently noted for offering competitive pricing compared to other companies, which influenced many customers' decisions to choose them.
Delays
Several reviews highlighted significant delays in installation timelines, with some customers expressing dissatisfaction with the lack of communication regarding these delays.
MS
Mackenzie Schopf
4 days ago
5.0
Brandon and Window World were awesome to work with. On installation day, Brandon was efficient, professional, and did a wonderful job. They kept everything clean inside my home, and the entire process was smooth from start to finish. I’m extremely happy with the windows and would highly recommend them!
JJ
JoAnn
Feb 22, 2026
5.0
Brandon did an awesome job installing windows and a patio door! Window World was the best choice! Great products, great service! The professional, outstanding work Brandon did, I will recommend to anyone and everyone who needs home improvement services ❤️❤️❤️
AB
Annie Batten
Feb 13, 2026
5.0
Dave and June completed our window and storm door replacement. They also wrapped my front door in white trim. They did excellent work, were easy to communicate with and completed the project in a timely manner!
SL
Sara Lewis
Feb 10, 2026
1.0
Took 5 months to make the windows. We had 2 gentleman come to measure 1 initially and 1 3 months later came to measured the windows. Day of installation one window was made too small. Confidence isn't there they will get the remake correct measure twice and make the window and still fail.
No communication with my son just packed up and left without doing my window he only heard window won't fit let's go.
WW
Will V (Wilbur)
Feb 2, 2026
5.0
I had my window for about 10 years and noticed I had some air leaks. I contacted Window World and they sent out Eric right away. Eric was great and very professional. He determined what was wrong and fixed all the issues. I am grateful that Window World honors their warranty.
Frequently Asked Questions About Window World of Green Bay
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 does Window World of Green Bay offer?
We offer cash, check, and financing options subject to approved credit and promotional availability. Please contact us for details.
Are replacement windows installed from the inside or outside?
Most replacement windows are installed from the outside; however, in some cases installation from the inside may be necessary. Our experts will explain the best approach on installation day.
Does Window World of Green Bay install windows year-round and how is heat loss managed?
Yes, installation is done year-round. Our crews install one window at a time to minimize heating or cooling loss during the approximately one-day installation process.
How should I prepare my home for window replacement?
Remove curtains, blinds, and window treatments; deactivate security sensors; clear pathways to windows; and remove wall decorations near windows to protect them during installation.
How long does the window installation process take?
Since windows are custom-built, manufacturing times vary. Installation usually takes about 30 minutes per window, with additional time for trim and cleanup; an average job completes in one day.
What warranty coverage is provided with window purchases?
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 my old windows after installation?
Old windows are removed and properly disposed of after installation. If you want to keep them, please inform our installation crew upon arrival.
Who can I contact if there is a problem with my windows?
You can always contact us for help. Most issues are easily resolved and may not indicate a defect.
What nearby businesses can assist me with related home services?
Nearby you can find Smyth-Green Bay and Smyth Companies offering printing and sign services, and Rasmussen Electric for electrical contractor needs, all located close to Window World of Green Bay.
Are there convenient storage or moving services near Window World of Green Bay?
Yes, Skaleski Moving & Storage and Allied Van Lines provide moving and storage solutions nearby, which might be helpful if you’re remodeling your home with our products.
What automotive-related services are available near Window World of Green Bay?
Nearby automotive services include Blue Dolphin Car Wash Technologies for detailing, GT Mobility and MobilityWorks for car sales and repair, useful if you’re visiting our showroom by car.
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