15 Best Window Companies in Charleston, IL (2025 Reviews)
If you’re thinking about upgrading to new windows, our guide to the top window installation companies can help.
We analyzed all the top-rated window companies in Charleston and selected the best 15 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
The EcoWatch team is all about helping Charleston homeowners find eco-conscious solutions for their homes. Drafty or leaky windows can cut your home’s energy efficiency by up to 30%, according to the Department of Energy. In Charleston, that’s about $308 per year that you could save on your electricity bills after making the switch.
That’s not great for either your bank account or the environment, but one of the top window installation companies can help you with that.
Unlike other review sites, EcoWatch ranks window replacement companies based on energy efficiency while also balancing cost, customer satisfaction and service area.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Charleston
The EcoWatch team researched dozens of window installation companies across Charleston to narrow our list down to the best ones. We assessed the installers on their energy-efficient offerings, local experience, price, coverage area, customer service and more.

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 Charleston. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the windows industry, and it has become one of the most reputable companies in Charleston.
You may want to consider opting for Window World if you're looking for a company 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. 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 Charleston?Window World does not mention prices on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to request a free quote from the company.

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 Charleston. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the windows industry, and it has become one of the most reputable companies in Charleston.
You may want to consider opting for Andersen if you're looking for a company 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. 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 Charleston?Andersen does not mention prices on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to request a free quote from the company.

Window Nation
Award-winning company
Manufactures products in-house
Custom designs
Wide variety of products and services
Installation not covered by warranty
Limited service area
Window Nation provides the best residential windows in Charleston. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This provider has 16 years of experience in the windows industry, and it has become one of the most reputable companies in Charleston.
You may want to consider opting for Window Nation if you're looking for a company 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Charleston?Window Nation does not mention prices on its website, but 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. The best way to get more accurate information is to request a free quote from the company.
One thing to note is that the companies in this section are national, meaning the quality of customer service may vary depending on your local crew. We have tried to remain unbiased and transparent by describing pros and cons for every provider.
More Window Companies in Charleston
A-1 Quality Glass Inc
Olney, ILGood Customer Service
Free assessment
Services Offered
Energy-Efficient Options
Storm/Impact Windows
Mirrors
Screen Repair
Window Replacement/Installation
Glass Repair
Central Illinois Glass Cutters
Mattoon, ILGood Customer Service
Free assessment
Price Transparency
Services Offered
Glass Showers
Glass Repair
Window Replacement/Installation
Custom Glass
Mirrors
Glass Doors
A&B Windows
Terre Haute, INFree assessment
Price Transparency
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Bacon & Van Buskirk Glass Co.
Champaign, ILFree assessment
Good Customer Service
Educational Website
Price Transparency
Timely Service
Services Offered
Window Replacement/Installation
Glass Showers
Mirrors
Window World of Terre Haute
Terre Haute, INGood Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Double-Hung
Glass Doors
Window Replacement/Installation
Bay Windows
Simonton Windows & Doors - Cornerstone Building Brands
Paris, ILEducational Website
Price Transparency
Good Customer Service
Services Offered
Glass Doors
Double-Hung
Bay Windows
Vinyl Frames
Window Replacement/Installation
Kleptz Aluminum & Building Supply
Terre Haute, INServices Offered
Window Replacement/Installation
Clear View Custom Windows & Doors, Inc.
Terre Haute, INServices Offered
Window Replacement/Installation
All Windows Direct
Decatur, ILPrice Transparency
Educational Website
Timely Service
Services Offered
Bay Windows
Window Replacement/Installation
Double-Hung
Triple Pane Glass
Glass Doors
Cornerstone Builders of Terre Haute, Inc.
Royse Dr, INTimely Service
Free assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Pella Windows & Doors of Terre Haute
Terre Haute, INServices Offered
Double-Hung
Window Replacement/Installation
Bay Windows
Wood Frames
Glass Doors
Duncan Windows & Floors
Mattoon, ILPrice Transparency
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Glass Showers
Energy-Efficient Options
Herschberger Windows, Inc
Tuscola, ILFree assessment
Price Transparency
Good Customer Service
Services Offered
Vinyl Frames
Window Replacement/Installation
Glass Doors
Pella Windows & Doors of Decatur
Forsyth, ILFree assessment
Price Transparency
Good Customer Service
Educational Website
Services Offered
Vinyl Frames
Bay Windows
Window Replacement/Installation
Double-Hung
Glass Doors
Handyman of Terre Haute
Terre Haute, INGood Customer Service
Educational Website
Services Offered
Window Replacement/Installation
Glass Showers
Calculate how much you can expect to pay for window installation and replacement in Charleston, 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 Charleston Saves You Money
There are quite a few benefits of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch include the following:
- Save on electricity bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% since you need less energy.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
- Reduce your carbon footprint: By using less energy after switching to Energy Star certified windows, you’ll also be cutting your carbon dioxide emissions by about 12%, according to Energy Star.
- Protect your investment: If your home is on the older side, 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 property if you decide to sell.
Estimated Cost of Window Replacement in Charleston
Windows come in various purposes, shapes and styles, so costs and services will differ considerably based on several factors. Below, we describe the typical cost and services that you can get from window installers.
How Much Do New Windows Cost?
Generally, homeowners in Charleston can anticipate that most replacement window installations will range from $250 to $1,200, with the average cost sitting at about $600. How much it will cost varies based on several factors, like the location of your home, material, number of windows, size, type and more.
With windows, efficiency is one of the most important factors for many homeowners. High efficiency windows may cost more initially, but by increasing the efficiency of your home — especially during the summer and winter — they can provide many years of energy savings. According to Energy Star, buying certified energy-efficient windows can save Charleston homeowners $308+ per year after replacing single-pane windows.
We advise getting free quotes from multiple window companies to find the one that works best for your budget.
What Services do Window Installers Offer?
The first thing to ask yourself when planning to replace your windows is: Do you need a full-frame installation or a pocket installation?
A full-frame installation replaces the entire window, including the windowsill, frame, trim and the window panes. Because this type of installation requires more time, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window while leaving the old frame. Pocket installations are simpler 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.
Your window installation company will be able to help you figure out what’s best for your needs. In Charleston, the decision will mostly depend on how old your windows are and if there’s any moisture damage. Wood can decay if not maintained properly over the years, so it’s a good idea to have a professional check your frames and window sills.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Charleston
In our search to find the most reliable, eco-friendly window installers in Charleston, the EcoWatch team examined dozens of companies before settling on these. We have decided to assess the top window replacement companies in Charleston mainly based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy-efficient windows can reduce your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
Since this is a guide for Charleston, we paid more attention to companies that cover the city. There are other reputable providers that didn’t make the list because they wouldn’t be able to serve homeowners in Charleston.
Work Quality
We’re willing to bet that you’re looking for professionals who do a great job installing windows. We’ve vetted each installer featured in our guide to make sure its technicians are well-qualified and that the company has received tons of positive customer feedback to vouch for its service.
Customer Reviews
Customer feedback is another very important review factor. If most customers don’t have positive things to say about their service from a certain company, you won’t see it featured on EcoWatch.
Cost
This one is a give-and-take: as with other services, cheap window companies may not provide the highest quality service. On the other hand, we want to make sure we’re highlighting companies that offer a wide range of price and financing options so they’re accessible to most homeowners.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Because of Charleston’s climate, homeowners will want to mitigate water damage, rot and low efficiency. We factored in local experience to reflect the ability of Charleston window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Charleston, IL Window Replacement FAQs
How much does window installation cost?
The national average cost of replacing one window is about $600 but can range from $200 to $1,200, based on several factors. The price is generally influenced by the location of your property, the type and material of the window and the size of the window. Also, bear in mind that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.
What are the most common kinds of replacement windows?
There are various types of windows you can get for your home, such as slider windows, transom windows, picture windows, bay windows, double-hung and single-hung windows, awning windows and casement windows.
What do window installation companies do?
Window installation professionals go to your home to remove your old windows and replace them with new ones. Some providers install products made by other companies, whereas others install their own windows. The installer will also clean up after the installation.
How do you know it’s 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 should probably be replaced. Other than that, if your windows have any damage on them, or they have become difficult to operate, they may need to be replaced.
How long does it take to install windows?
Since the average installation time is 30 minutes per window, about 16 windows can be installed in an 8-hour work day.