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5.0
12 reviews

Front Door Replacement

Bret B.

We recently had our front door replaced. We had a great experience from the initial sales to the installation. We had previous quotes from another local company, that we had used in the past, and Illinois Energy Windows and Siding not only outbid them significantly, but also offered a better customer experience. We highly recommend them!

Illinois Energy Windows & Siding

Hi Bret, Thank you for your review! We're happy to have helped you and your family with your front door project. We appreciate your business and your kind words. Thank you! Brian Campbell President Illinois Energy Windows & Siding

Entire House Window and Sliding Door Replacement

Chris L.

We recently had all our windows, sliding door, and escape window replaced. The sales manager was very polite and upfront. The installation went smoothly and only took one day. We love the look it has given our house. We highly recommend Illinois Energy to anyone in the market.

We replaced all of our upstairs windows with Illinois Energy.

Gloria J.

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.

I could not be happier. I love our new siding.

Mr. M.

The color and the contrasting white trim and cornerposts are very nice looking. My wife is excited for the new shutters to be installed to complete the job.

It looks like I have a new house, I am very satisfied.

Annette R.

Thank you Illinois Energy for the great job you have done making my house not only better looking but also more efficient. The workmen were very professional, they worked quickly, neatly and efficiently. Thank you again!

We appreciated the great customer service and follow up.

Gloria H.

We replaced all of our windows upstairs with Illinois Energy windows. The windows look fresh and the installation process was easy. They look great and are much better than our name brand Pella windows we previously had.

Good company, management and workers are the best combination you can achieve.

Chris L.

I can not say anymore about Matt and his partner. Both men did an outstanding job and their work ethics are ones to be proud of.

Thanks so much!

Kathryn P.

Your company continues to consistently impress me. If you are ever looking for additional customer testimonials, I would be honored to provide Illinois Energy with a stellar one!

We highly recommend Illinois Energy.

Dean C.

We met with Alex Haas of Illinois Energy in October, 2013 about window replacement. He was extremely knowledgeable and answered all our questions. We were impressed with his professionalism, the quality of the product and the excellent warranty so we decided to have 3 windows in our bedroom replaced. Up to that point we had many problems with the windows in this room. There was difficulty locking the windows, condensation, and the biggest problem-leaking. Whenever there was rain, we had to line the sills with towels to absorb all the water that was leaking. This also caused damage to the window sills. The installers were working in very cold weather, yet they took their time to make sure the job was completed properly. The windows look beautiful, they work smoothly, but the most important test came when it rained. There has been no leaking and no condensation. We are very happy with the new windows and are having Illinois Energy replace more of our windows.

Illinois Energy Windows and Siding has been a pleasure to do business with. \

Kevin M.

Our salesman James was very professional and full of industry knowledge. Having no real knowledge of windows prior to meeting with James I walked away with a true understanding of why Worthington Windows are a superior product and why Illinois Energy?s lifetime warranty is different than other lifetime limited warranties. Working with James we split the windows into groups that will get installed incrementally. This is a more affordable option for us allowing us to pay in full rather than finance. Our home is only 10 years old but the windows the builder installed were garbage; drafty in the winter and rusted in-between the panes. Installation went smoothly; our installer was very polite and respectful. The windows were installed in a day and everything was cleaned and patched before they left. I would definitely recommend Illinois Energy Windows and Siding to anyone looking to have a superior product installed by professionals in their home or business. Our windows look amazing and perform as promised. We look forward to having the next batch of windows done soon.

4.9 out of 5
based on 144 Reviews
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Main Office & Showroom Illinois Energy Windows & Siding


  • 430 Ogden Ave Lisle, IL 60532
  • Open Mon-Thurs: 9 AM - 8 PM, Fri-Sat: 9 AM - 2 PM
  • (630) 333-1823