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Enriching the Chicagoland Community with World-Class Remodeling
We're locally based yet nationally recognized for outstanding products, trained experts, and true lifetime warranties.
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The Best Quality, Best Warranty & Best Service!

At Illinois Energy Windows & Siding, our purpose is to enhance and enrich your life through world-class remodeling services. As an A+ rated, BBB-accredited local business, we want to earn your total satisfaction for life—and we offer true lifetime warranties to do it!

With 20 years of remodeling experience throughout Chicagoland, we’re committed to 100% customer satisfaction with every job. You can trust us for beautiful, low-maintenance, and energy-saving improvements of any kind: replacement windows, siding, roofing, gutters, exterior doors, and so much more.

Put Your Faith In Us. We are Dedicated To Delivering A 5 Star Experience

Over 20 years in business

Veteran team to serve you, start to finish

4.9 Rating out of 1100+ reviews

A+ Rating with the BBB, every year we have been in business

Angi Pro Super Service Award, 3 years in a row (2020, 2021, 2022)

Exclusive quality products focused on maximizing energy performance for Chicagoland climate

Certified installers

True Lifetime Parts, Labor, and Service Warranties

Exclusive offers providing best value in the industry

Military, first responder and senior discounts

Price assurance

Rate assurance

Financing solutions to make it affordable for anyone

Financing with No Interest Until Fall 2025!

We can help you get approved for the most competitive rates on your home improvement project.

Home of the True Lifetime Warranty on Parts and Labor

We offer a true lifetime guarantee on both labor and materials!

Seniors and Military Members: Enjoy a Special Discount Just for You!

Since 2002, Illinois Energy Windows & Siding has been the exterior remodeling expert in the Chicagoland area. If you’re a local senior citizen or a part of the military, police, or fire department, you can enjoy an extra discount on already affordable services! Call today to learn more.

Our Services

Exterior Remodeling for a More Beautiful, Energy-Efficient Home

We may be a local Chicagoland business, but we’re nationally recognized for best-in-class home remodeling.

Replacement Windows

Replacement Windows

With SmartGlass365, our windows aren’t just earth-friendly; they could also save you hundreds of dollars on heating and cooling every single year! Multiply that by the life of your home, and you’ll see why our windows are the smart choice.

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Exterior Doors

Exterior Doors

Our artisanal CastleView doors can transform any front door into an entry that’s fit for royalty! These exterior doors are beautiful, durable, and secure to keep your family safe and boost your home’s curb appeal.

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Our customized siding will make your home exterior magazine-worthy! You’ll enjoy better insulation, reduced noise pollution, and proper weather protection. Many local homeowners see an instant property value boost, too.

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Replacement Roofing

Make sure your family is protected with a roof that can weather the elements. If your roof hasn't been inspected recently or hasn't been replaced in decades, now is the time for a full roof inspection! Our team will evaluate your roofing needs to ensure your home is protected for years to come.

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About us

A Rich Legacy of Home Remodeling

Since 2002, Illinois Energy Windows & Siding has been Chicagoland’s top provider of home remodeling products and services. Our hallmark is quality, and our promise is perfection! We settle for nothing less than 100% satisfaction, and it shows in our many accolades and accreditations. We are:

  • One of Northern Illinois’s Largest Remodeling Companies
  • Highly Rated by Previous Customers Across Chicagoland
  • A+ Rated and BBB Accredited
  • A BBB “Complaint-Free Award” Winner
  • A “Best of HomeAdvisor” Award Winner 2020

Put your replacement windows, doors, siding, roofing, or gutters in our expert hands. You won’t regret it!

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Enriching Your Life with World-Class Remodeling—For a Lifetime!

Company History

We’ve served Chicagoland since 2002 and have a glowing record of successful remodeling work.

Customer Commitment

We accept nothing less than 100% satisfaction, no matter how big or small the job.

Finest Materials

With a commitment to quality above all, we’ve sourced the best products from the best brands!

Lifetime Warranties

We’re highly regarded for our no-nonsense, true lifetime guarantee on parts and labor.


From “Best of HomeAdvisor” 2020 to countless positive reviews, we’re known as the best!

"We replaced all of our upstairs windows with Illinois Energy. The windows look fresh and the installation process was easy. They look great and are much better than our name brand Pella windows that we previously had. We appreciated the great customer service and follow up. We are planning to replace the rest of the windows in our house in the future with Illinois Energy Windows. We highly recommend these windows to other home owners. Our sales rep Jason was courteous and professional through the whole process."

Gloria & Justin ~ Bartlett IL

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Energy Star
West Bend
Angies List