Window World of Frederick County

4.3
63 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!

Details

  • Wheelchair accessible entranceAvailable

Location

Window World of Frederick County
8415 Progress Dr., Frederick, MD
21701, United States

Hours

Reviews

4.3
63 reviews
5 stars
48
4 stars
4
3 stars
0
2 stars
1
1 star
10
  • MM
    Mark Morris
    Aug 1, 2025
    5.0
    Have a usable back door now and they took care of the water issues. Door looks great too, Elmer was awesome!
  • JZ
    Jessica Zimmerman
    Jul 16, 2025
    5.0
    Elmer and his team did a fantastic job with install, they were fast and clean and we are so impressed with his work!
  • AO
    Amber Owings
    Jul 14, 2025
    5.0
    I had a great experience with Window World. Sales rep, Brad, was very polite, professional and helpful. He was thorough with his explanation of the window options and installation process and was always available to answer any questions I had. The windows are beautiful and were installed quickly on installation day. Very happy customer!
  • GM
    George Morgan
    Jun 20, 2025
    5.0
    Installers were very professional. Hard-working crew cleaned up all the mess afterwards and very friendly. Very happy with the experience would recommend window world roofing.
  • SB
    Sophie Bing
    Sep 11, 2023
    5.0
    Quality and timely. I don't have any photos available at this time.

Frequently Asked Questions About Window World of Frederick County

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.