20 Best Window Companies in Fitchburg, WI (2025 Reviews)
Looking to improve your property’s look? The best window replacement companies can help.
We analyzed all the top-rated window companies in Fitchburg and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
A review of the best window replacement companies in Fitchburg may not seem like the most compelling article on the EcoWatch site, but trust us, windows have a more direct impact on your life than you might think. When it’s the middle of winter, your old and leaky windows could be making your home more difficult to heat and more uncomfortable for you.
Installing new, efficient windows on your house can help you save money each month on your energy bills — and you can help the environment, too.
Efficient windows are especially important in Fitchburg, where winters are long and cold. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $505 per year.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Best Energy-Efficient Features
Champion
- Many years of experience
- Low prices relative to competitors
- Limetime warranty
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best Window Installation & Replacement Companies in Fitchburg
The EcoWatch Reviews team researched dozens of companies that service the Fitchburg area to find the best window installation companies by our standards. We assessed the providers based on energy-efficient offerings, coverage area, customer service, local experience, price and more.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen provides the best availability in Fitchburg. Andersen has over 27 years of industry experience, and it currently provides services to nearly every state except Mississippi and West Virginia.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsThere are a wide range of window types that Renewal by Andersen offers, some of which are Energy Star products. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in Fitchburg?Prices aren’t displayed on Andersen’s website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Requesting a free quote on its website is the best way to know for sure.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World provides windows expertise in Fitchburg. Window World has over 27 years of industry experience, and it currently provides services to 200 locations nationwide.
It is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsThere are a wide range of window types that Window World offers, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in Fitchburg?Prices aren’t displayed on Window World’s website, but it's known for offering some of the most affordable window installations around. Requesting a free quote on its website is the best way to know for sure.
We’ve recommended companies with shining reputations, but keep in mind some national companies have independently owned locations in Fitchburg, so your service may depend on your local crew. We have tried to be unbiased and transparent by including pros and cons for each company reviewed.
More Window Companies in Fitchburg
Renewal by Andersen
Madison, WI
Educational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Skylights
Window Replacement/Installation
Double-Hung
Custom Window Designs
Bay Windows
Glass Doors
Champion Replacement Windows of Madison
Madison, WI
Good Customer Service
Transparent pricing and no hidden fees
Limited lifetime warranty
Price Transparency
All products made or sourced in the USA
Free assessment
Services Offered
Glass Doors
Double-Hung
Window Replacement/Installation
Bay Windows
Exceptional Exteriors LLC
Stoughton, WI
Free assessment
Educational Website
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
Glass Doors
Huskie Exteriors
Rockford, IL
Good Customer Service
Price Transparency
Free assessment
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Infinity Exteriors
Madison, WI
Price Transparency
Free in-home consultations and estimates
3D home visualizer
Good Customer Service
Educational Website
Free assessment
Lifetime workmanship warranty
Services Offered
Wood Frames
Window Replacement/Installation
Energy-Efficient Options
Bay Windows
Wisco Roofing and Windows
Janesville, WI
Good Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Glass Doors
EZegress Windows
Lake Geneva, WI
Good Customer Service
Price Transparency
Timely Service
Free assessment
Services Offered
Double-Hung
Window Replacement/Installation
Total Glass And Paint
Hartford, WI
Educational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Glass Repair
Screen Repair
Mirrors
Window Repair
Energy-Efficient Options
Glass Showers
Window Replacement/Installation
Epic Painting & Exteriors
Madison, WI
Good Customer Service
Educational Website
Energy-efficient
Full-service exterior remodeling
Price Transparency
Online home visualizer
Services Offered
Window Replacement/Installation
City Glass Company, Inc.
Janesville, WI
Educational Website
Services Offered
Mirrors
Glass Showers
Window Replacement/Installation
Glass Doors
Soberg Window & Door Company
Walworth, WI
Educational Website
Good Customer Service
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Martin Glass Company
Madison, WI
Free assessment
Services Offered
Energy-Efficient Options
Mirrors
Glass Showers
Window Repair
Storm/Impact Windows
Tempered Glass
Glass Doors
Window Replacement/Installation
Screen Repair
Kobyco Inc
Loves Park, IL
Educational Website
Free assessment
Good Customer Service
Price Transparency
Services Offered
Bay Windows
Window Replacement/Installation
Custom Window Designs
Glass Doors
Double-Hung
Vinyl Frames
Pella Window and Door Showroom of Rockford, IL
Rockford, IL
Price Transparency
Good Customer Service
Free assessment
Educational Website
Services Offered
Double-Hung
Window Replacement/Installation
Glass Doors
Pella Windows & Doors of Madison
Madison, WI
Educational Website
Good Customer Service
Price Transparency
Free assessment
Services Offered
Glass Doors
Wood Frames
Double-Hung
Window Replacement/Installation
Custom Window Designs
Mad City Windows & Baths
Madison, WI
Good Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Vinyl Frames
Bay Windows
Double-Hung
Energy-Efficient Options
Window Replacement/Installation
Glass Showers
Window World of Rockford
Loves Park, IL
Free assessment
Timely Service
Good Customer Service
Educational Website
Services Offered
Window Replacement/Installation
Double-Hung
Glass Doors
Bay Windows
Energy-Efficient Options
Custom Window Designs
Brunke Glass & Window Co Inc
Madison, WIServices Offered
Tempered Glass
Window Replacement/Installation
Glass Showers
Energy-Efficient Options
Screen Repair
Mirrors
Hometown Glass & Improvement Inc
Beaver Dam, WI
Educational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Glass Repair
Window Replacement/Installation
Glass Doors
Glass Showers
AHT Wisconsin Windows
Madison, WI
Good Customer Service
Price Transparency
Services Offered
Glass Doors
Vinyl Frames
Bay Windows
Double-Hung
Energy-Efficient Options
Triple Pane Glass
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Fitchburg, WI using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Fitchburg Saves You Money
By upgrading to energy-efficient windows, you and your family can enjoy several benefits, such as:
- Save on electricity bills: Because energy-efficient windows reduce how much energy you need to heat or cool your home, the switch can help you save around $505 annually on your energy bills in Fitchburg.
- Protect your valuables from fading: When you upgrade to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will fade less due to their ability to filter out harmful UV rays.
- Protect your investment: If you have an older home, your windows are most likely in need of replacement. Upgrading your windows can make your home more comfortable and also help raise the value of your home if you decide to sell.
- Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your house, you can reduce your carbon footprint by about 12%, according to Energy Star.
Estimated Cost of Window Replacement in Fitchburg
When looking into window installation, each company offers varying services and prices. Let’s go over some typical costs and services.
How Much Do New Windows Cost?
The national average cost to replace one window is about $600 but can range anywhere from $200 to $1,200. These amounts vary depending on the specifics of your installation, such as material, the location of your home, number of windows, size, type and more.
Whether or not you choose energy-efficient windows is another factor that will influence the cost. These will typically cost more than other windows, but on the other hand, you can save about $505 a year on your energy bills in Fitchburg.
We advise getting free quotes from several window installation companies to find the one that works best for your budget.
What Services do Window Installers Offer?
The first question to ask yourself when planning a window installation is: Should you get a full-frame installation or a pocket installation?
Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are typically done when you want a different style for your windows or when it has significant damage. Full-frame installations require more time and labor and will increase overall costs. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are on the simpler end and will be less expensive, but you can’t do this kind of installment if you have any pre-existing rot or water damage.
Your window installation company can recommend the best type for your project. In Fitchburg, the decision will mostly be influenced by the efficiency of your home and how old your existing frames are.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Best Energy-Efficient Features
Champion
- Many years of experience
- Low prices relative to competitors
- Limetime warranty
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
How We Choose the Best Window Installers in Fitchburg
In our hunt to find the most reliable, eco-friendly window installers in Fitchburg, the EcoWatch Reviews team landed on the above companies as the top window installation companies in the city. Along with energy efficiency, we analyzed several window installers in Fitchburg and assigned rankings using the following methodology:
Service Area
This one is self-explanatory, but we’ve chosen to highlight window installation companies that serve the Fitchburg area so you can find the right window installation company near you.
Work Quality
When picking new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the brand you opt for. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If most customers don’t have positive things to say about their experience with a certain company, it won’t be featured on EcoWatch.
Cost
This one is a give-and-take: as with other services, cheap window installers are not going to provide the most quality service. Still, we want to ensure we’re highlighting companies that offer a variety of price and financing options so they’re accessible to most homeowners.
Warranty
As discussed, windows are a hefty investment, so you’ll want to be certain that investment is protected. Window installation companies with lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Because of Fitchburg’s climate, homeowners need to be wary of water damage, rot and low efficiency. We factored in local experience to reflect the ability of Fitchburg window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Fitchburg, WI Window Replacement FAQs
What is the typical cost to replace windows?
The typical cost to replace one window can range from $450 to $650. There are several factors that influence how much it costs, which include your property’s location, the materials used in designing the windows, styles and sizes of windows, local labor costs, how energy-efficient the windows are and the number of windows.
What are the most common kinds of replacement windows?
There are various types of windows you can get for your home, such as bay windows, awning windows, casement windows, double-hung and single-hung windows, transom windows, picture windows and slider windows.
What do window installers do?
Window installers go to your home to remove your old windows and replace them with new ones. Some providers install products sold by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation is complete.
How often should you replace your windows?
Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Apart from that, if your windows have any damage on them, or they have become difficult to open or close, they may be in need of replacement.



