Window World of Southeastern Wisconsin

4.5
239 reviews
Window World

About

Window Installation ServiceWindow SupplierDoor SupplierSiding ContractorHome Improvement Store
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!

Location

Window World of Southeastern Wisconsin
W188 N10707 Maple Rd, Germantown, WI
53022, United States

Hours

Reviews

4.5
239 reviews
5 stars
184
4 stars
28
3 stars
3
2 stars
6
1 star
18

What are people saying?

AI-generated from recent customer reviews

Installation Quality

Many customers praised the professionalism and efficiency of the installation crews, noting their attention to detail and cleanliness during the installation process.

Customer Service

Feedback highlighted the helpfulness and friendliness of the sales and office staff, although some reviews mentioned issues with communication and follow-up.

Product Satisfaction

Overall, customers expressed satisfaction with the quality of the windows, noting improvements in insulation and aesthetics, though some reported issues with drafts and leaks.

Timeliness

While many customers appreciated timely installations, several reviews pointed out significant delays in window delivery and installation timelines.

Pricing

Customers frequently mentioned competitive pricing as a positive aspect, often comparing it favorably to other companies.
  • CS
    carolyn Stevens
    3 days ago
    5.0
    My salesman Justin was excellent he explained everything that needed to be done walk me through the finances and was very patient.
  • RR
    Rosa Ramirez
    4 days ago
    5.0
    I had an amazing experience with window world. I love my windows and storm door that we purchased!
  • TW
    Todd Witt
    5 days ago
    5.0
    So far, great experience. So much more affordable than the other companies end very responsive. Justin Kempfer is a great sales person, no pressure, just gives you the facts about the windows. I was only going to replace the entry door and patio door but decided to also do the picture window. Next season I will most likely have them do all the windows. The front office called to introduce themselves if I had questions while awaiting product and install. Definitely would recommend!
  • RR
    Ron
    Nov 8, 2025
    5.0
    They really did a great job I’m very happy . Best of all they beat all the other competitors prices. That helps when your rebuilding a home thanks window world I’ll be sure to use you again for my attic
  • LK
    Lisa Kollmeyer
    Oct 30, 2025
    5.0
    I had an issue with 2/9 windows that were installed years ago. Gary came out and listened to my concerns and he stood by his product and warranty and replaced both windows. Shows a lot of character and integrity. Thank you Gary and thank you Window World!

Frequently Asked Questions About Window World of Southeastern Wisconsin

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.