Quality Windows, Siding & Doors Since 1976

Quality Windows, Siding
& Doors Since 1976

Quality Windows, Siding
& Doors Since 1976


Buy One Window, Get One Free – Financing Available!

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Choose FELDCO for Your Windows

Replacing your windows is an easy way to create a new look for your home. Each replacement window is custom-made for your window’s exact measurements which will ensure the best fit and maximum energy efficiency. With a wide variety of styles, colors and options, you will be able to create the look for your home with windows that best match your needs and style.

We are the Midwest’s leading home renewal company with over 1 million windows installed in over 500,000 homes across Illinois, Wisconsin and Iowa. Combine our superior service, limited lifetime warranty, high-quality windows and professional installation and you’ve got a great deal!

Overview of Feldco's Window Styles Video

Get started right now by calling us at 1-866-433-5326 (agents available 24 hours a day, 7 days a week) or just fill out the form at the top of this page.

Benefits of our Windows

Energy Efficient

Our windows keep your home warmer in the winter and cooler in the summer — reducing your heating and cooling bills. We design our windows specifically for the weather patterns and weather extremes of the Midwest. All of our windows are Energy Star rated to be superior in energy efficiency.

High Quality at an Affordable Price

You don’t have to spend a fortune to have quality windows in your home. Our windows are factory-direct which saves you money on your project. Every window is professionally installed by factory-trained window installers.

Many Options and Styles Available

Every window we make is custom made to the exact specifications for the existing window openings in your home. You can further customize your new windows with many different options including glass options, grid styles, colors, finishes and more.

Get the Best Deal When Replacing Your Windows

Our high quality windows, factory direct pricing, superior service and support can’t be beat. We’re confident that we can quote you a price that meets your budget and your needs. We also offer several financing options for any credit level. Get started with a free, no-obligation quote.


Feldco has been a leader in replacement windows, siding, doors and roofing since 1976. Our goal is total customer satisfaction from project quote to final installation. We call it, “customer delight”.

We have 11 locations and a large service area spanning across Illinois, Iowa, Wisconsin and Indiana including:

  • Cedar Rapids, IA
  • Davenport, IA
  • Des Plaines, IL
  • Homewood, IL
  • Madison, WI
  • Menasha, WI
  • Milwaukee, WI
  • Peoria, IL
  • Rockford, IL
  • Springfield, IL
  • Wausau, WI

We have excellent financing options available no matter your credit score. Give us a call or fill out our form at the top of this page.

Windows Should be EASY

We believe in a streamlined process for window replacement. From your initial call or website request for a free quote to final installation and follow up, you’ll be amazed at how smooth the whole process is at Feldco.

We quickly respond to inquiries and listen to your concerns and needs. Then, we schedule an appointment for a knowledgeable and friendly Product Specialist to visit your home, take measurements and go over all of the many window options that we have available.

Once we understand your needs, we can give you an honest estimate for your project and get the process of ordering and installing your windows started.

We have made thousands of lifetime repeat-customers because of our unmatched product quality and dedication to customer service.

Start your window replacement with Feldco today by requesting a free quote or giving us a call at 866-4FELDCO right now.

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Over 500,000 homeowners have trusted Feldco with their windows, siding and doors. Enter some basic information and we’ll get started on your quote.

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