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10 Best Window Replacement Companies in Freeport, IL

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Whether you're making significant home repairs or simply need a change, upgrading your windows is a great idea. Your windows play a key role in energy efficiency and home value. In Freeport, you could save about $326 per year on your energy bills by upgrading your windows. Drafty windows can decrease your home’s energy efficiency by up to 30%, according to the Department of Energy. If you can't decide between window installers, this is a great way to get started. Keep reading to discover the best window installers in Freeport.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Freeport

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen

Renewal by Andersen Logo

Our Rating

User Rating

5960 Odana Rd #100, Madison, WI 53719 (608) 442-0032 renewalbyandersen.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Glass doors
Custom window designs
Skylights
Bay windows
Window replacement/installation
Double-hung

Champion Replacement Windows of Madison

Champion Replacement Windows of Madison Logo

Our Rating

User Rating

5321 Voges Rd, Madison, WI 53718 (608) 205-4829 championwindow.com

Free assessment

All products made or sourced in the usa

Good customer service

Transparent pricing and no hidden fees

Price transparency

Limited lifetime warranty

Services Offered

Glass doors
Window replacement/installation
Bay windows
Double-hung

Freedom Builders & Remodelers

Freedom Builders & Remodelers Logo

Our Rating

User Rating

1125 Milford Ave, Rockford, IL 61109 (815) 985-0310 rockfordremodeling.biz

Free assessment

Educational website

Price transparency

Services Offered

Window replacement/installation
Glass doors

Infinity Exteriors

Infinity Exteriors Logo

Our Rating

User Rating

2830 Progress Rd, Madison, WI 53716 (608) 909-6362 infinityroofing.com

Educational website

Good customer service

Price transparency

Free in-home consultations and estimates

Free assessment

3d home visualizer

Lifetime workmanship warranty

Services Offered

Window replacement/installation
Wood frames
Bay windows
Energy-efficient options

Dubuque Glass Company

Dubuque Glass Company Logo

Our Rating

User Rating

801 Cedar Cross Rd, Dubuque, IA 52003 (563) 582-5475 dbqglass.com

Educational website

Services Offered

Energy-efficient options
Window repair
Window replacement/installation
Mirrors
Glass showers
Tempered glass
Glass doors
Screen repair

Window World of Madison

Window World of Madison Logo

Our Rating

User Rating

202 Regas Rd, Madison, WI 53714 (608) 268-9040 windowworldmadison.com

Price transparency

Good customer service

Financing options with window world credit card

Free assessment

All products made or sourced in the usa

Timely service

Educational website

Free in-home and virtual consultations

Services Offered

Window replacement/installation
Bay windows
Glass doors
Double-hung

Waunakee Remodeling

Waunakee Remodeling Logo

Our Rating

User Rating

5960 Odana Rd, Madison, WI 53719 (608) 442-0032 waunakeeremodeling.com

Transferable warranty

Energy-efficient windows

Price transparency

Free in-home and virtual consultations

Free assessment

Educational website

Good customer service

Services Offered

Glass doors
Custom window designs
Skylights
Bay windows
Double-hung
Window replacement/installation

Mad City Windows & Baths

Mad City Windows & Baths Logo

Our Rating

User Rating

5020 Voges Rd, Madison, WI 53718 (608) 453-6866 madcitywindows.com

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

Glass showers
Vinyl frames
Bay windows
Window replacement/installation
Double-hung
Energy-efficient options

A O Bauer Glass Inc

A O Bauer Glass Inc Logo

Our Rating

User Rating

903 E Geneva St, Delavan, WI 53115 (262) 728-4262 aobauerglass.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Screen repair
Window replacement/installation
Glass doors
Storm/impact windows
Glass showers
Glass repair
Energy-efficient options
Mirrors

Legan Construction & Remodeling

Legan Construction & Remodeling Logo

Our Rating

User Rating

3912 Creekside Dr, Janesville, WI 53548 (608) 774-0100 leganconstruction.com

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

Window replacement/installation
Vinyl frames
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Freeport?

Window installation and replacement costs will be influenced by a number of factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, Freeport homeowners should expect to spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Replacing your old windows with new energy-efficient ones can substantially enhance your home's appearance, noise reduction, comfort, value, and insulation. Clear indicators it's time to invest in new windows include:

  • Windows that are hard to open, close, or lock properly due to age and wear.
  • Inefficient and outdated window styles that reduce your home’s curb appeal.
  • Drafts and cold air coming in from old, loose-fitting windows.
  • Discomfort and high energy bills from poor window insulation.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.

How To Choose a Window Company

Hiring a qualified window installer is the key to a successful project. Below, we cover the main factors to consider when deciding which company to hire.

Experience

Find well-established local installers with lots of experience. Installers that have been installing windows locally for many years are more likely to know the local climate and how to best meet your needs. Ask for references from recent customers to verify that a provider delivers quality work.

Certifications

Choose an installer that’s certified like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Suitable credentials indicate they've received appropriate instruction in installation best practices. Verify that installers are staff rather than subcontractors, and confirm that any technicians working on your home have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. Review customer feedback to verify that a company consistently does quality work and provides good service. Avoid companies with complaints of poor work or unfinished jobs.

Process

A quality provider will give you a detailed project plan, reasonable timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Ask for regular contact throughout the process, so you aren't caught off guard later on.

Warranties

Research window installers that assure quality installations and offer warranties on labor and materials. This is a sign of expert workmanship. Select companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

Ensure that a company uses durable, energy-efficient window brands that fit your budget. Look for enhanced UV protection, good energy ratings, and design flexibility. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Freeport, IL

In Freeport, the best time to install windows is when temperatures are mild, generally in the spring or fall. This allows professionals to work without having to worry about the weather.

The right type of replacement windows for your Freeport home depends on the year your home was built –the average house in Freeport was built around 1958. If your home was built a while ago, you may want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's great for older homes. For newer homes, you can think about vinyl windows, which are affordable, durable and have a modern look.

You can save money on window installation by going with a budget option like single-hung vinyl windows. These have lower costs compared to more expensive windows such as fiberglass, double-hung, or wood windows.

It depends on your budget and the condition of your current windows. If your existing windows are in decent condition, you may want to wait and only replace the ones that really need replacing. If you're in an area with lower energy costs, you may be able to wait to replace all your windows.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also clean the windows regularly to prevent debris from building up and causing damage. Additionally, if you live in an area with a lot of rainfall, you should check the window sills and frames regularly to ensure that the seals are not deteriorating or breaking.

Window replacement companies in Freeport typically offer many services, including window installation, fixing windows, window maintenance, cleaning, tinting, and weatherproofing.

Hiring a professional window installer helps make sure the job is done correctly. Professional installers will measure in order to get a perfect fit and will use the right materials and techniques to ensure your windows will be properly sealed and secure. Additionally, professional installers are likely to have access to better materials and more knowledge than the average homeowner, so you can count on your windows to be installed correctly and last for years to come.

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