Window World of Southeastern Wisconsin

4.5
245 reviews
Window World

About

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!

Location

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

Hours

Reviews

4.5
245 reviews
5 stars
190
4 stars
28
3 stars
3
2 stars
6
1 star
18

What are people saying?

AI-generated from recent customer reviews

Customer Service

Sales representatives, particularly Justin Kempfer, received high praise for their professionalism, knowledge, and low-pressure sales approach.

Installation Quality

Most customers reported efficient, professional installation with thorough cleanup, although some noted issues with friendliness and communication from installers.

Product Satisfaction

Many customers expressed satisfaction with the quality of windows and doors, highlighting improvements in home comfort and aesthetics.

Communication Issues

Several reviews mentioned delays in installation timelines and lack of proactive communication regarding project status.

Warranty Concerns

Some customers reported issues with window performance and warranty claims, indicating dissatisfaction with the company's response to these problems.
  • BL
    Brandon Lavergne
    4 days ago
    5.0
    Justin came out and measured our windows and was very straight forward. Very easy process. I can’t wait to get our new windows. Don’t even have them in yet and I’m so happy
  • MC
    Margaret Callahan
    6 days ago
    5.0
    Good communication, on time , clean up was good and it looks great.
  • TN
    Tyler Neumann
    6 days ago
    5.0
    Excellent quality of work and great communication every step of the way. Will definitely be going with Window World for the rest of our windows!
  • SB
    Sara Burling
    Dec 22, 2025
    5.0
    Extremely happy with the process from obtaining a quote to the ordering of the new patio door. Justin Kempfer, sales manager, is knowledgeable, polite, and professional.
  • GB
    Gloria Bradley
    Dec 3, 2025
    5.0
    We had 11 windows installed at one house and 1 at another. From ordering to installation, all aspects of the process were professional and timely! The installers were friendly and everything was clean and old materials taken away.

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.