20 Best Window Companies in Cortland, IL (2024 Reviews)

Are you looking to upgrade your windows? Our list of the best window installation companies can help you narrow down which one to pick.

We analyzed all the top-rated window companies in Cortland and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated June 24, 2024

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

A review of the top window installation companies in Cortland may not seem like the most interesting article on the EcoWatch site, but trust us, windows have a more direct impact on your life than you might realize. Drafty windows could lead to having higher energy bills during the winter or summer months.

That’s also bad news for the environment, as the additional energy used by damaged windows increases your carbon footprint.

Unlike other sites, EcoWatch ranks window companies on energy efficiency while also balancing cost, customer satisfaction and service area.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Cortland

The EcoWatch Reviews team evaluated dozens of companies that service the Cortland area to find the top window installation companies by 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 logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World has windows expertise in Cortland. Window World has been in the window business for around 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

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 Windows

Its 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 want Energy Star windows when inquiring.

How much does Window World cost in Cortland?

Window World does not outline prices on its website, but it's known for offering some of the most affordable window installations around. For more detailed information on pricing, you can receive a quote from the company.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen has the best availability in Cortland. Andersen has been in the window business for around 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

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 Windows

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. Not all of Andersen’s windows are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Cortland?

Andersen does not outline 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. For more detailed information on pricing, you can receive a quote from the company.

Window Nation logo
FAST QUOTE
as little as 30 seconds
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty
  • Pros icon Limited service area

Window Nation has the best residential windows in Cortland. Window Nation has been in the window business for around 16 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

It gives customers the opportunity to view products and to speak to a representative in person in its showrooms.

Energy Efficiency of Window Nation Windows

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. Not all of Window Nation’s windows are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Window Nation cost in Cortland?

Window Nation does not outline 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. For more detailed information on pricing, you can receive a quote from the company.

We’ve recommended companies with shining reputations, but note that some national companies have independently owned locations in Cortland, so your service may vary depending on your local crew. We have tried to be unbiased and transparent by mentioning pros and cons for every company reviewed.

More Window Companies in Cortland

Renewal by Andersen of Chicago

Lockport, IL
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Skylights
  • Service icon Double-Hung
  • Service icon Bay Windows

Website: https://www.renewalbyandersen.com/window-company/080-chicago-il/about-us
Address: 14503 S Gougar Rd #800, Lockport, IL 60491
Phone: (866) 836-2764

Window Nation

Romeoville, IL
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Double-Hung
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options

Website: https://www.windownation.com/chicago_showroom/
Address: 1263 Lakeview Dr, Romeoville, IL 60446
Phone: (815) 306-8024

NextWave Construction Windows, Siding, & Doors

Maple Park, IL
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: http://www.nextwaveil.com/
Address: 5N290 Wooley Rd Unit A, Maple Park, IL 60151
Phone: (630) 454-5689

Mr. Handyman of Naperville

Geneva, IL
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: http://www.mrhandyman.com/naperville/
Address: 1871 S Randall Rd STE C, Geneva, IL 60134
Phone: (630) 280-3455

ACE Roofing Contractors & Roof Replacement

St. Charles, IL
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.ace-roofs.com/
Address: 8 N 3rd St Suite #3, St. Charles, IL 60174
Phone: (630) 444-7575

Advanced Windows & Siding, Inc.

Batavia, IL
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Storm/Impact Windows
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: http://advancedwindowsandsiding.com/
Address: 309 Oswalt Ave, Batavia, IL 60510
Phone: (630) 231-5390

Casco Industries

South Elgin, IL
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Storm/Impact Windows
  • Service icon Energy-Efficient Options
  • Service icon Skylights
  • Service icon Wood Frames
  • Service icon Double-Hung
  • Service icon Vinyl Frames
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.cascoonline.com/
Address: 540 Division St, South Elgin, IL 60177
Phone: (847) 741-9595

Great Outlook Glass

Dundee Township, IL
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Glass Showers
  • Service icon Mirrors
  • Service icon Glass Repair

Website: http://greatoutlookglass.com/
Address: 35W113 Frontenac Dr, Dundee Township, IL 60118
Phone: (224) 409-4421

Chicagoland Window Wizards

St. Charles, IL
3.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Timely Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Glass Doors

Website: http://www.chgowindowwiz.com/
Address: 4n459 School Rd, St. Charles, IL 60175
Phone: (773) 251-1463

Schmidt Exteriors, Inc.

Aurora, IL
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options

Website: http://www.schmidtexteriors.com/
Address: 1585 Beverly Ct # 116, Aurora, IL 60502
Phone: (630) 406-0444

WarmDreams Windows & Doors

East Dundee, IL
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors

Website: https://warmdreams.us/
Address: 206 Christina Dr, East Dundee, IL 60118
Phone: (312) 414-9298

A & G Glass & Mirror Inc

West Chicago, IL
4.9
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Repair
  • Service icon Window Replacement/Installation
  • Service icon Mirrors
  • Service icon Glass Showers

Website: http://www.agglass78.com/
Address: 501 W Roosevelt Rd, West Chicago, IL 60185
Phone: (630) 473-4132

Premier Quality Windows & Siding, Inc.

Oswego, IL
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Wood Frames
  • Service icon Fiberglass Frames
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames

Website: http://www.premierqualitywindows.com/
Address: 1981 Wiesbrook Dr AF, Oswego, IL 60543
Phone: (630) 966-1939

Your Window Solutions

Lake in the Hills, IL
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Double-Hung

Website: https://4yourwindowsolutions.com/
Address: 8411 Pyott Rd #111, Lake in the Hills, IL 60156
Phone: (833) 367-9687

EXTERIORS Windows & Siding Installers

St. Charles, IL
3.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options

Website: http://sidingstcharles.com/
Address: 110 N 4th Ave, St. Charles, IL 60174
Phone: (331) 210-9164

Windows, Doors & Siding by Opal Enterprises Naperville

Naperville, IL
4.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Bay Windows

Website: https://www.opalexteriors.com/service-areas/naperville/
Address: 127 Ambassador Dr #159, Naperville, IL 60540
Phone: (630) 538-7568

Hanover Glass & Mirror

Hanover Park, IL
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Mirrors
  • Service icon Window Repair
  • Service icon Glass Showers
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Custom Glass

Website: http://hanover-glass.com/
Address: 7221 Olde Salem Cir, Hanover Park, IL 60133
Phone: (630) 289-6767

Naperville Windows and Doors

Naperville, IL
4.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Wood Frames
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Fiberglass Frames
  • Service icon Skylights

Website: https://napervillewindowsanddoors.com/
Address: 1355 Illinois Rte 59 #1D, Naperville, IL 60564
Phone: (630) 904-9644

Goverla Windows and Doors

Fox River Grove, IL
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Double-Hung
  • Service icon Wood Frames
  • Service icon Energy-Efficient Options
  • Service icon Pocket Windows

Website: https://www.goverlausa.com/
Address: 601 Hunters Way, Fox River Grove, IL 60021
Phone: (847) 630-6444

Chicago Windows Solutions

Schaumburg, IL
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors

Website: https://www.chicagowindowssolutions.com/
Address: 1421 Wright Blvd, Schaumburg, IL 60193
Phone: (773) 754-5645
Cortland Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Cortland, IL using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

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 Cortland Saves You Money

There are several benefits of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch include the following:

  • Decrease your carbon footprint: Reducing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 449 pounds per year on average.
  • Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its real estate value, particularly if your home is on the older side.
  • Save on power bills: Installing energy-efficient windows lowers your energy bills by about 12% because you use less energy.
  • Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.

Estimated Cost of Window Replacement in Cortland

Windows come in varying shapes, purposes and styles, so costs and services will vary tremendously based on several factors. Below, we go over the average cost and services that you can get from window installers.

How Much Do New Windows Cost?

Generally, Cortland homeowners can anticipate their window replacements to range from $250 to $1,200. The average cost sits at approximately $600. How much it will cost is based on several factors, including size, the location of your home, number of windows, material, type and more.

Whether or not you opt for energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $298 a year on your energy bills in Cortland.

Getting free quotes from multiple installers is the best way to figure out which one will work best for your budget.

What Services do Window Installers Offer?

The first step when planning a window installation is to decide whether you need a full-frame or pocket installation.

A full-frame installation replaces the complete window, including the sill, frame, trim and the window panes. As this kind of installation requires more time, it will be more expensive than a pocket installation. A pocket installation involves replacing a window without taking out the whole frame, which is generally cheaper than a full-frame installation.

If you’re hiring a reputable window installation company, your company can advise you on the best type for your project. In Cortland, the decision will mostly be influenced by how much damage there is currently and how old your existing frames are.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

How We Choose the Best Window Installers in Cortland

The EcoWatch Reviews team is different from most reviewers since we examine these companies through a sustainability lens. We have reviewed the top window installation companies in Cortland mainly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can cut your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Since this is a guide for Cortland, we only included companies that serve the city. There are certainly other reputable providers that didn’t make the cut because they wouldn’t be able to serve homeowners in Cortland.

Work Quality

When selecting new windows, the quality and range of services can often play just as important of a role in overall efficiency and performance as the brand you get. 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 nice things to say about their service from a certain window installation company, you won’t see it featured on EcoWatch.

Cost

This one is a give-and-take: as with other services, cheap window companies are not going to provide the most quality service. Still, we want to ensure we’re highlighting companies that offer a range of price and financing options so they’re accessible to most homeowners.

Warranty

Protecting your investment in new windows is important. For that reason, window installation companies that offer lengthy warranties for products, parts and labor 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 experience earn higher rankings by our standards. We like to see at least ten years of experience.

Cortland, IL Window Replacement FAQs

How much should window installation cost?

The national average cost of replacing one window is around $600 but can range from $200 to $1,200, depending on a variety of factors. The price is usually influenced by the location of your property, the size of the window and the type and material of the window. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.

Which type of window is the best?

A window’s energy efficiency depends on several factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are often the most energy-efficient since they are certified by the U.S. Department of Energy.

Can you install your own windows?

Although you can install your own windows, doing so is time-consuming and requires a lot of experience with home improvement projects. Using a window replacement company can help ensure that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.

When is the best time of year to replace windows?

Although you can install windows any time of year, warmer weather is typically better for installing replacement windows. Additionally, it shouldn’t be raining, as rain can make the installation harder.

Should I replace all my windows at the same time?

If you want to get more efficient windows and save money on your energy bills, replacing all of the windows at the same time is the only way to gain that benefit. On the other hand, if you have only a few windows that are damaged or drafty, you can replace just those.