20 Best Window Companies in Lake Forest, IL (2025 Reviews)
If you’re thinking of getting new windows, our guide to the top window installation companies can help.
We analyzed all the top-rated window companies in Lake Forest 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 guide on the best window replacement companies in Lake Forest may not seem like the most interesting article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. Drafty, leaky windows can cost you in power bills. In fact, the Department of Energy estimates that 25-30% of your home’s heat or cool air could be lost through your windows.
That’s also bad news for the environment because the extra energy used by drafty windows increases your carbon footprint.
We’ve made this list of the best installation companies to help you in your research, so you can not only take advantage of brand-new windows, but also save money on your power bills.
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 Lake Forest
The EcoWatch Reviews team assessed dozens of window installation companies across Lake Forest to narrow our list down to the best ones. The companies in this article scored best in our categories, including energy-efficient offerings, price, availability, 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 Lake Forest. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has about 27 years of experience in the window installation business. Its reputation is backed by a considerable amount of positive reviews from customers online.
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 WindowsWindow World’s commitment to sustainability shows in its energy-efficient window offerings. 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 Lake Forest?Window World doesn’t have any prices displayed 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 get a 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 Lake Forest. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of experience in the window installation business. Its reputation is backed by a considerable amount of positive reviews from customers online.
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 WindowsRenewal by Andersen’s commitment to sustainability shows in its energy-efficient window offerings. 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 Lake Forest?Andersen doesn’t have any prices displayed 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 get a 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 Lake Forest. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has about 16 years of experience in the window installation business. Its reputation is backed by a considerable amount of positive reviews from customers online.
It 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’s commitment to sustainability shows in its energy-efficient window offerings. 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 Lake Forest?Window Nation doesn’t have any prices displayed 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 get a quote from the company.
We strive to remain unbiased and transparent by mentioning pros and cons for each company we review. Additionally, our rankings are not influenced by any partnerships.
More Window Companies in Lake Forest
Renewal by Andersen of Chicago
Glenview, ILEducational Website
Free assessment
Good Customer Service
Price Transparency
Services Offered
Custom Window Designs
Skylights
Double-Hung
Glass Doors
Window Replacement/Installation
Bay Windows
Power Home Remodeling
Chicago, ILGood Customer Service
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Window Door Pro Installation
Buffalo Grove, ILGood Customer Service
Free assessment
Timely Service
Educational Website
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Energy-Efficient Options
Beka Window Repair
Wheeling, ILGood Customer Service
Free assessment
Price Transparency
Services Offered
Glass Repair
Tempered Glass
Energy-Efficient Options
Double-Hung
Window Repair
Bay Windows
Window Replacement/Installation
Glass Doors
Metal Frames
Glass Showers
Wood Frames
Vinyl Frames
FST Window Replacement & Installation
Glenview, ILFree assessment
Educational Website
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Royalty Windows
Glenview, ILGood Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Window Replacement/Installation
Bay Windows
Double-Hung
Vinyl Frames
Custom Window Designs
Screen Medix
Palatine, ILGood Customer Service
Free assessment
Educational Website
Services Offered
Glass Doors
Window Replacement/Installation
Screen Repair
Window Repair
EV Windows & Doors, Inc.
Des Plaines, ILFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Wood Frames
Fiberglass Frames
Metal Frames
Window Replacement/Installation
Vinyl Frames
Double-Hung
Glass Doors
Professional Home Improvement, Inc.
Arlington Heights, ILServices Offered
Energy-Efficient Options
Window Replacement/Installation
Contractor BG-High Quality Roofing and Exterior Repair Services
Mt Prospect, ILFree assessment
Services Offered
Window Replacement/Installation
Glass Doors
FRST Windows Replacement & Installation
Chicago, ILServices Offered
Window Replacement/Installation
Northwind Exteriors
Park Ridge, ILGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Hoffman Window Replacement Company
Hoffman Estates, ILFree assessment
Price Transparency
Good Customer Service
Timely Service
Services Offered
Vinyl Frames
Window Replacement/Installation
Energy-Efficient Options
Goverla Windows and Doors
Fox River Grove, ILEducational Website
Price Transparency
Free assessment
Services Offered
Wood Frames
Energy-Efficient Options
Window Replacement/Installation
Pocket Windows
Vinyl Frames
Glass Doors
Bay Windows
Double-Hung
Real Exteriors
Schiller Park, ILFree assessment
Educational Website
Timely Service
Price Transparency
Good Customer Service
Services Offered
Vinyl Frames
Energy-Efficient Options
Window Replacement/Installation
Chicago Windows Solutions
Schaumburg, ILTimely Service
Price Transparency
Free assessment
Services Offered
Bay Windows
Double-Hung
Window Replacement/Installation
Glass Doors
Vinyl Frames
BUZ's Windows Replacement & Installation
Algonquin, ILPrice Transparency
Good Customer Service
Free assessment
Services Offered
Vinyl Frames
Window Replacement/Installation
Energy-Efficient Options
Wood Frames
Chicago Window Repair & Replacement Company
Chicago, ILGood Customer Service
Free assessment
Timely Service
Services Offered
Bay Windows
Window Replacement/Installation
Metal Frames
Energy-Efficient Options
Window Repair
Vinyl Frames
Wood Frames
Glass Repair
Glass Doors
Storm/Impact Windows
WarmDreams Windows & Doors
East Dundee, ILGood Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Bay Windows
Energy-Efficient Options
Double-Hung
Custom Window Designs
Glass Doors
Durabuilt Home Improvements, Inc.
Elmhurst, ILPrice Transparency
Good Customer Service
Services Offered
Bay Windows
Wood Frames
Window Replacement/Installation
Double-Hung
Vinyl Frames
Glass Doors
Calculate how much you can expect to pay for window installation and replacement in Lake Forest, 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 Lake Forest Saves You Money
By upgrading to energy-efficient windows, you and your family can take advantage of several benefits, such as:
- Protect your investment: Upgrading and repairing your windows is an important part of maintaining your property and its value, particularly if you have an older home.
- Reduce your carbon footprint: You can reduce your indirect greenhouse gas emissions by about 12% when you install Energy Star certified windows. In Lake Forest, that’s about 449 pounds per year on average.
- Save on power bills: Once you upgrade to energy-efficient windows, you can expect a reduction in your bills by about 12% because you’ll need less energy to heat or cool your home.
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.
Estimated Cost of Window Replacement in Lake Forest
Windows come in various shapes, purposes and styles, so costs and services will vary tremendously depending on several factors. Below, we go over the typical cost and services that you’ll find from window installation companies.
How Much Do New Windows Cost?
The average cost to replace a single window is about $600 but can range from $200 to $1,200. But prices differ remarkably 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 provide door installations and replacements, which will make your project cost more.
It’s important to bear in mind that windows with higher efficiency may cost more initially but can save you hundreds of dollars via returns on your energy bills. Investing in Energy Star certified windows can save Lake Forest homeowners $298+ a year when replacing single-pane windows.
Something else that affects the total cost is the material of the frame you select. Aluminum frames are generally the least pricey and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames cost the most because they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.
What Services do Window Installers Offer?
In regard to window installations, there are typically two kinds that your provider will offer: full-frame and pocket installations.
Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are typically done when you want to change the style of your window or when it has significant damage. Full-frame installations involve more time and labor and will increase overall costs. Pocket installations are on the simpler end and won’t cost as much because they involve merely replacing the window within its existing frame. But if the frame has any damage or rot, you may have to get a full-frame installation instead.
Your window installation company can recommend the best type for your project. In Lake Forest, the choice will mostly depend on how much damage there is currently 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
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 Lake Forest
EcoWatch reviews are different from other reviews, as we’re examining these companies through a sustainability lens. Along with energy efficiency, we assessed window companies all across the state and assigned rankings based on the following methodology:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve the Lake Forest area so you can find a quality window installation company near you.
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 installer featured on this list to make sure its technicians are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If most customers don’t have good feedback about their service from a certain company, you won’t see it featured on EcoWatch.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
As discussed, windows are a sizable 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 Lake Forest’s climate, homeowners need to be wary of rot, water damage and low efficiency. We factored in local experience to reflect the ability of Lake Forest window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Lake Forest, IL Window Replacement FAQs
How much does a window install cost?
The national average cost of installing one window is around $600 but can range between $200 and $1,200, depending on a variety of factors. The price is often 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 a decent amount of money a year in energy bills.
What are the most common types of replacement windows?
There are several different types of windows you can get for your house, including picture windows, casement windows, transom windows, slider windows, bay windows, double-hung and single-hung windows and awning windows.
Do you really need to use a window installation company?
You should use a window installation professional whenever you need new windows. Installing windows is a complex process that can be difficult and time-consuming, so it’s best left to the professionals.
When is the best time of year to replace windows?
Replacement windows can be installed any time of the year, but warmer weather is typically better. Regardless of when you install them, the contractors will take steps to make sure that too much hot or cold air doesn’t get into the home, so the temperature outside isn’t necessarily a big factor. What’s more important than the temperature is that the weather should be dry.
Should I replace my windows all at once?
If your windows are more than 20 years old, you most likely need to replace all of them. By that point, they are usually less efficient, leakier and/or more damaged than new windows. Replacing your windows all at the same time will involve less paperwork and less stress.