17 Best Window Companies in Rock Island, IL (2025 Reviews)
If you’re thinking of upgrading to new windows, our guide to the best window installation companies can help.
We analyzed all the top-rated window companies in Rock Island and selected the best 17 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
Although clean energy sources like wind and solar are important when it comes to lowering your carbon footprint, improving your house’s energy efficiency can also have a large impact on home energy conservation. During the winter months, the last thing you want is your heat to leak out of your outdated windows.
Replacement windows improve the insulation in your home, not only making you and your family more comfortable during the summer and winter, but also saving you money and helping the environment.
Efficient windows are especially important in Rock Island, 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 $323 each year.
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 Rock Island
The EcoWatch Reviews team examined dozens of installers that service the Rock Island area to find the best window installation companies that fit our standards. The companies mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

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 offers windows expertise in Rock Island. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has 27 years of experience in the windows industry, and it has become one of the most respected companies in Rock Island.
You may want to consider opting for Window World if you're interested in 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 WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.
How much does Window World cost in Rock Island?Pricing details are not available on Window World’s website because the cost of window installment 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. The best way to get more accurate information is to receive 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 offers the best availability in Rock Island. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has 27 years of experience in the windows industry, and it has become one of the most respected companies in Rock Island.
You may want to consider opting for Andersen if you're interested in 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 WindowsA 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. Not all of Andersen’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Rock Island?Pricing details are not available on Andersen’s website because the cost of window installment 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. The best way to get more accurate information is to receive 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 offers the best residential windows in Rock Island. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has 16 years of experience in the windows industry, and it has become one of the most respected companies in Rock Island.
You may want to consider opting for Window Nation if you're interested in 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 WindowsEach 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. Not all of Window Nation’s windows are Energy Star certified, so make sure you mention that you’d like Energy Star windows when inquiring.
How much does Window Nation cost in Rock Island?Pricing details are not available on Window Nation’s website because the cost of window installment 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. The best way to get more accurate information is to receive a free quote from the company.
We aim to remain unbiased and transparent by including pros and cons for every provider. Additionally, any partnerships do not influence our reviews.
More Window Companies in Rock Island
Renewal by Andersen of Quad Cities
Davenport, IAGood Customer Service
Free assessment
Educational Website
Services Offered
Glass Doors
Custom Glass
Window Replacement/Installation
Bay Windows
Energy-Efficient Options
Vinyl Frames
Double-Hung
Custom Window Designs
New Look Window
Rock Island, ILGood Customer Service
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Midwest Window Company
Moline, ILGood Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Vinyl Frames
Window Repair
Double-Hung
Pella Windows & Doors of Davenport
Davenport, IAGood Customer Service
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Glass Doors
Bay Windows
Double-Hung
American Quality Windows Inc
Sterling, ILFree assessment
Services Offered
Energy-Efficient Options
Vinyl Frames
Double-Hung
Window Replacement/Installation
Mad City Windows & Baths
Davenport, IAEducational Website
Good Customer Service
Free assessment
Price Transparency
Services Offered
Glass Showers
Vinyl Frames
Bay Windows
Window Replacement/Installation
Double-Hung
Energy-Efficient Options
Knebel Windows, Inc.
Iowa City, IAFree assessment
Educational Website
Good Customer Service
Services Offered
Glass Doors
Glass Showers
Window Replacement/Installation
Vinyl Frames
Wood Frames
Mirrors
Storm/Impact Windows
Window World of Davenport
Davenport, IAFree assessment
Price Transparency
Timely Service
Services Offered
Window Replacement/Installation
Double-Hung
Energy-Efficient Options
Glass Doors
Bay Windows
Vinyl Frames
Mt. Pleasant Glass
Mt Pleasant, IAEducational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Glass Repair
Storm/Impact Windows
Window Repair
Window Replacement/Installation
Mirrors
Glass Doors
MDS Construction, Inc.
Dixon, ILGood Customer Service
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Beisser Lumber Company
Coralville, IAPrice Transparency
Free assessment
Good Customer Service
Services Offered
Glass Doors
Window Replacement/Installation
LITE Window & Door
Solon, IAFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Glass Doors
Vinyl Frames
Triple Pane Glass
Window Replacement/Installation
Metal Frames
Innovations General Contractors LLC
East Moline, ILFree assessment
Price Transparency
Good Customer Service
Educational Website
Services Offered
Vinyl Frames
Window Replacement/Installation
Nelson & Son Siding Contractors
Le Claire, IAFree assessment
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
MOR Renovations
Marion, IAEducational Website
Good Customer Service
Free assessment
Price Transparency
Timely Service
Services Offered
Window Replacement/Installation
Sorrell Glass
Washington, IAGood Customer Service
Services Offered
Screen Repair
Glass Doors
Window Replacement/Installation
Home Services at The Home Depot
Clinton, IAFree assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Glass Showers
Glass Doors
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Rock Island, 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 Rock Island Saves You Money
By switching to energy-efficient windows, you can take advantage of several benefits, such as:
- Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes tend to have windows that are outdated, leaky or maybe even damaged in some way. Updating your windows could help raise the value of your home if you decide to sell.
- Save money on energy bills: Because energy-efficient windows reduce the amount of energy used to heat or cool your home, the switch can help you save around $323 annually on your energy bills in Rock Island.
- Reduce your carbon footprint: Because energy-efficient windows improve the insulation in your house, you can lower your carbon footprint by about 12%, according to Energy Star.
- Protect your valuables from fading: When you switch to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will be protected from fading because of their ability to filter out harmful UV rays.
Estimated Cost of Window Replacement in Rock Island
Each window installer provides varying services and has different costs depending on a few factors.
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. This is because window installations depend on a variety of factors specific to your home, including the size, material and number of windows you need to replace, as well as where your property is located.
It’s important to remember that windows with higher efficiency may cost more upfront but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Rock Island homeowners $323+ a year when replacing single-pane windows.
The cost of your window installation will also vary depending on the type of window material you choose for the frames. Wood windows are generally the most expensive, but it depends on whether they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are more efficient.
What Services do Window Installers Offer?
There are generally two types of window installation services: full-frame and pocket installations.
Full-frame installations require replacing the entire window — the sill, frame, trim and all. These are most common when you want to change the style of your window or when it has significant deterioration. Full-frame installations are more comprehensive and will increase overall costs. A pocket installation entails replacing a window within the existing frame, which is generally cheaper than a full-frame installation.
If you’re not sure which window installation service you should get, your installer can help you out. Typically, the decision is based on factors such as the age and condition of the home, the type of building material, budget and time restrictions.
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 Rock Island
In our hunt to make your home improvements easier and more eco-friendly in Rock Island, the EcoWatch team chose the above companies as the best window installation companies in the city. We’ve reviewed the best window replacement companies in Rock Island mainly based on their energy efficient offerings, as it’s the most sustainable option and the best one for homeowners. Energy Star certified windows have been shown to cut your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
Since this is a guide for Rock Island, we paid more attention to companies that provide services to the city. There are certainly reputable providers that didn’t make the list because they wouldn’t be able to serve homeowners in Rock Island.
Work Quality
We’re willing to bet that you’re looking for a company to do a great job installing windows. We’ve vetted each company on this list to make sure its contractors are well-qualified and that the company has received tons of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction may be the most important factor, as it indicates the quality of services across most other categories, including quality of parts, professionalism, warranty, cost, quality of installation and more.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing providers’ prices, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for quite some time. Window installation companies that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Rock Island, IL Window Replacement FAQs
How much does window installation cost?
The national average cost to replace a window is around $600 but can range from $200 to $1,200, based on a variety of factors. The price is typically influenced by the size of the window, the location of your property and the type and material of the window. Also, remember that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.
What kind of window is the most energy-efficient?
Generally, double-pane windows will be more efficient than single-pane windows and windows that do not open are more efficient than windows that do. If you want to be sure you’ll get the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — this means they’re certified energy-efficient by the U.S. Department of Energy.
Can I install my own windows?
If you’re handy and have the time and patience to do the job right, it’s possible to install your own windows. But if you don’t have the time or skills, we recommend getting a professional to do it for you.
Should I replace all my windows at the same time?
If you’re upgrading your windows to save on your energy bills, replacing all of your windows at the same time is the only way to see a noticeable difference. However, if you have just one or two windows that are broken or leaky, you can replace just those.