20 Best Window Companies in Freeport, IL (2023 Reviews)
Looking to improve your home's energy efficiency? The best window replacement companies can help.
We analyzed all the top-rated window companies in Freeport and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
The EcoWatch Reviews team is all about helping Freeport homeowners find eco-conscious solutions for their homes. When it's the middle of winter, your outdated and drafty windows could be making your home harder to heat and more uncomfortable for you.
That's bad for both your wallet and the environment, but one of the top window installation companies can help you with that.
Efficient windows are especially important in Freeport, where the temperature varies throughout the year. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $326 per year.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in Freeport
The EcoWatch team evaluated dozens of installers across the country to find the best window installation companies for our readers. The providers we've mentioned in this article passed our review standards for energy-efficient offerings as well as customer service, price, local expertise and beyond.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently services 200 locations nationwide. The provider has hundreds of positive reviews from customers online.
You may want to consider opting for Window World if you're looking for a installer that 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 WindowsWindow World is an Energy Star partner and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Window World representative when inquiring about services.
How much does Window World cost in Freeport?Pricing information is not available on Window World’s website because the cost of window replacement differs based on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. You can request a free quote on its website for more information about pricing.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. The provider has hundreds of positive reviews from customers online.
You may want to consider opting for Andersen if you're looking for a installer that 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 WindowsRenewal by Andersen is an Energy Star partner and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Andersen representative when inquiring about services.
How much does Renewal by Andersen cost in Freeport?Pricing information is not available on Andersen’s website because the cost of window replacement differs based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can request a free quote on its website for more information about pricing.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has about 20 years of experience in the window installation industry.
It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThe company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products. Not all of Universal’s windows are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Universal Windows Direct cost in Freeport?Universal does not list prices on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. The best way to get more accurate information is to get a free quote from the company.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has been operating since 2006 and currently services residents within 75 miles of its showrooms, which are in 13 states. The provider has hundreds of positive reviews from customers online.
You may want to consider opting for Window Nation if you're looking for a installer that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation is an Energy Star partner and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to mention that you want energy-efficient windows to your Window Nation representative when inquiring about services.
How much does Window Nation cost in Freeport?Pricing information is not available on Window Nation’s website because the cost of window replacement differs based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. You can request a free quote on its website for more information about pricing.
We've recommended companies with good reputations, but keep in mind some national companies have independently owned locations in Freeport, so your service may vary depending on your local crew. We have tried to be unbiased and transparent by including pros and cons for every company reviewed.
More Window Companies in Freeport
Renewal by Andersen
Dubuque, IA-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Commercial Windows
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Stained Glass
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Residential Windows
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Double-Hung
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Custom Window Designs
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Sliding Glass
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Glass Showers
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Window Replacement
Window World of Rockford
Loves Park, IL-
Timely Service
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Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Window Repair
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Residential Windows
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Custom Window Designs
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Glass Showers
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Double-Hung
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Sliding Glass
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Fast Delivery
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Commercial Windows
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Bay Windows
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Window Replacement
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Energy-Efficient Options
Champion Replacement Windows of Madison
Madison, WI-
Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Sliding Glass
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Window Replacement
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Bay Windows
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Double-Hung
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Residential Windows
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Custom Window Designs
American Quality Windows Inc
Chadwick, IL-
Free assessment
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Price Transparency
Services Offered
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Window Replacement
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Commercial Windows
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Residential Windows
Pella Window and Door Showroom of Rockford, IL
Rockford, IL-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Window Replacement
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Commercial Windows
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Stained Glass
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Sliding Glass
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Double-Hung
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Residential Windows
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Custom Window Designs
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Fast Delivery
Freedom Builders & Remodelers
Rockford, IL-
Price Transparency
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Educational Website
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Free assessment
Services Offered
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Residential Windows
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Window Replacement
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Glass Showers
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Custom Window Designs
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Commercial Windows
XL Contracting
Roscoe, IL-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Double-Hung
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Energy-Efficient Options
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Bay Windows
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Custom Window Designs
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Commercial Windows
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Residential Windows
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Fast Delivery
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Window Replacement
Home Services at The Home Depot
Rockford, IL-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Window Replacement
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Glass Showers
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Residential Windows
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Commercial Windows
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Stained Glass
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Fast Delivery
Custom Quality Windows
Evansville, WI-
Price Transparency
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Free assessment
Services Offered
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Custom Window Designs
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Window Replacement
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Double-Hung
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Commercial Windows
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Residential Windows
Kobyco Inc
Loves Park, IL-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Commercial Windows
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Window Replacement
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Residential Windows
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Sliding Glass
Craftsman Exteriors
Verona, WI-
Educational Website
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Price Transparency
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Free assessment
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Timely Service
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Good Customer Service
Services Offered
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Glass Showers
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Residential Windows
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Double-Hung
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Window Replacement
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Aluminum Window Frames
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Custom Window Designs
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Sliding Glass
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Fast Delivery
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Bay Windows
Wisco Roofing and Windows
Janesville, WI-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Fast Delivery
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Custom Window Designs
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Residential Windows
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Window Replacement
Eurostar Remodeling & Repairs
Fitchburg, WI-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Custom Window Designs
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Window Replacement
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Residential Windows
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Glass Showers
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Fast Delivery
Pella Windows & Doors of Madison
Madison, WI-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Residential Windows
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Window Replacement
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Fast Delivery
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Commercial Windows
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Custom Window Designs
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Stained Glass
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Sliding Glass
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Glass Showers
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Double-Hung
LEI Home Enhancements
Madison, WI-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Sliding Glass
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Fast Delivery
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Custom Window Designs
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Window Replacement
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Residential Windows
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Commercial Windows
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Bay Windows
Responsive Roofing, LLC
DeKalb, IL-
Good Customer Service
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Price Transparency
Services Offered
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Window Replacement
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Commercial Windows
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Custom Window Designs
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Residential Windows
Pro Roofing LLC
Madison, WI-
Good Customer Service
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Educational Website
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Free assessment
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Price Transparency
Services Offered
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Custom Window Designs
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Residential Windows
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Window Replacement
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Double-Hung
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Commercial Windows
Mad City Windows & Baths
Madison, WI-
Free assessment
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Price Transparency
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Good Customer Service
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Educational Website
Services Offered
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Fast Delivery
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Double-Hung
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Window Replacement
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Glass Showers
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Custom Window Designs
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Sliding Glass
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Energy-Efficient Options
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Residential Windows
Waunakee Remodeling
Madison, WI-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Commercial Windows
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Window Replacement
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Custom Window Designs
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Bay Windows
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Residential Windows
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Full-Service Installations
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Double-Hung
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Glass Showers
Pella Windows & Doors of Dubuque
Dubuque, IA-
Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Window Replacement
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Double-Hung
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Commercial Windows
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Sliding Glass
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Bay Windows
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Custom Window Designs
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Residential Windows
Calculate how much you can expect to pay for window installation and replacement in Freeport, IL 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 Freeport Saves You Money
By upgrading to energy-efficient windows, you can benefit in several ways, including:
- Save money on energy bills: The Department of Energy estimates that heat gained or lost via windows makes up around 25-30% of residential energy use. Upgrading to energy-efficient windows can help reduce that number, which helps you save more on your bills.
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
- Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its real estate value, especially if your home is on the older side.
- Better temperature control in your home: Living in a very cold place like Freeport can often mean relying on your heater to keep your home cool. Energy-efficient windows can reduce the amount of heat lost through your windows when heating your home.
Estimated Cost of Window Replacement in Freeport
Windows come in all shapes and sizes, so costs and services will vary considerably. Here are the typical costs and services that you can find from the average window installation company.
How Much Do New Windows Cost?
The national average cost to replace a single window is about $600 but can range from $200 to $1,200. But prices vary considerably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also offer door installations and replacements, which will make your project cost more.
Keep in mind that energy-efficient windows may cost more, but Energy Star predicts the upgrade will save you between $101 and $583 per year when you replace single-pane windows and between $27 and $197 per year when you replace double-pane, clear glass windows. Your exact savings will vary based on your local climate, energy rates and individual home characteristics.
We advise requesting free quotes from several window installers to find the right windows and the company that works best for your budget.
What Services do Window Installers Offer?
The first thing to ask yourself when planning a window installation is: Do you want a full-frame installation or a pocket installation?
Full-frame installations involve replacing the complete window, including the trim, sill and frame. You most likely need a full-frame installation when you want to change the style of your windows or your window has noticeable rot. Because full-frame installations are more involved, they will increase the overall cost. Pocket installations (also known as retrofits) are when you replace a window while leaving the existing frame. Pocket installations are on the simpler end and won't cost as much, but you can't do this kind of installment if you have any pre-existing rot or water damage.
If you're not sure which type of window installation service you need, your installer should be able to help you out. Typically, the decision is influenced by factors like the age and condition of the home, the type of building material, budget and time restrictions.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in Freeport
EcoWatch reviews are different from other reviews since we examine these companies through a sustainability lens. Along with energy efficiency, we analyzed each installer and ranked them using the following methodology:
Service Area
This one is self-explanatory, but we've chosen to highlight window installation companies that serve the Freeport area so you can find a quality window installation company near you.
Work Quality
We're certain that you're looking for professionals who do a great job installing windows. We've vetted each company included on this list to make sure its technicians are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If the majority of customers don't have positive feedback about their experience with a certain company, it won't be featured on EcoWatch.
Cost
This one is a give-and-take: similar to most services, cheap window installation companies won't always provide the most quality service. On the other hand, we want to ensure we're highlighting companies that offer a wide range of price and financing options so they're accessible to most homeowners.
Warranty
As discussed, windows are a sizable investment, so you'll want to be certain that investment is protected. Window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to Freeport's climate, homeowners will want to mitigate rot, water damage and low efficiency. We factored in local experience to reflect the ability of Freeport window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Freeport, IL Window Replacement FAQs
What is the average cost to replace windows?
The average cost of installing a window ranges between $450 and $650. There are many factors that influence the price, including local labor costs, styles and sizes of windows, the number of windows, how energy-efficient the windows are, your property's location and the materials used in designing the windows.
What are the types of windows?
There are several different types of windows you can get for your home, including bay windows, double-hung and single-hung windows, casement windows, transom windows, slider windows, awning windows and picture windows.
What services do window installation companies provide?
Window installation professionals visit your home to remove your old windows and replace them with new ones. Some companies install products manufactured by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation.
When is it time to replace your windows?
Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Other than 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.