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5.0
47 reviews

Window Replacement

Dawn W.

We began a project to replace our home's windows in a phased approach starting in 2016. Each of the four experiences was as pleasant as the first. IE offered a one-year same as cash to offset the significant expense all at once. From sales to installation to customer support, the Illinois Energy (IE) team that worked with us was knowledgeable, friendly, and professional. IE stands by its products and installation; any issues, IE will address them straightaway with a follow-up appointment. Best yet, the windows come with a transferable lifetime warranty. No other window company offers that good of a warranty. Now for the product itself; I can not say enough about the quality of Illinois Energy's windows. They are custom constructed by the Amish. The windows are tinted, filtering out the damaging effect of the sun to minimize fading. The windows are sturdy, easy to clean, and aesthetically complement my home's interior and exterior.

Illinois Energy Windows & Siding

Hi Dawn! Thank you for taking the time to share your experience with our company. I'm so happy to hear you were very satisfied with the process and our staff. Thank you for choosing our company for your windows. It means a lot to us that you chose us once again. I appreciate your review of our amazing team, Take Care! Brian Campbell President Illinois Energy Windows & Siding

Expensive process made easy

Chris W.

Absolutely would recommend. Getting new windows is an expensive endeavor, however the staff at Illinois Energy Windows and Siding made the process easy and undaunting. Questions answered from installation to finance. They stand behind their product and service 100%

Illinois Energy Windows & Siding

Thank you for your feedback, Chris! I am glad to hear about the wonderful experience you had. I hope your windows are everything you could have wanted! We are here to make the process effortlessly easy, now and for a lifetime! It was a pleasure doing business with you. Brian Campbell President Illinois Energy Windows & Siding

Such a great experience

John B.

Illinois Energy Windows & Siding has been amazing to do business with. After our purchase, they followed up to make sure our order was correct, the installation team came early and finished the install early, and the door looks great, works great, and retains temperature so well. We will definitely be using them again for our next project.

Illinois Energy Windows & Siding

Thank you for sharing your experience, John! We are happy to get the job done right for you not once, but twice! I hope you continue to enjoy your doors! We are happy to be your top choice for home remodeling. Thank you for your business! Brian Campbell President Illinois Energy Windows & Siding Inc.

21 Windows

Philip P.

Excellent 4.5 stars; it would be 5 stars but the increased cost of windows generally cost a half-star (even so, their quote was less than all others). These guys were prompt, professional, responsive, friendly, informative and helpful. So far quality of the windows is excellent. They delivered exactly what they promised. Complaints whatsoever; if you must get your windows replaced, these are the guys to call.

Illinois Energy Windows & Siding

Thank you for sharing, Phil! We strive to deliver an exceptional product, as well as customer service! We are so thrilled to hear we were able to do so for you! Thank you for your business! Brian Campbell President Illinois Energy Windows & Siding

GREAT SERVICE!!

H.W. (.

We had Illinois Energy replace our windows and doors. We are very happy with the installation process and final product. The staff was very helpful and knowledgeable. Stream lined installation. Would highly recommend!!! Thank you Illinois Energy!!!

Illinois Energy Windows & Siding

Thank you for sharing your amazing experience! We are so happy to be your top choice for home remodeling. We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

Thanks Illinois Energy!

Robert B.

We first had Illinois Energy replace 4 windows on the second story of our home facing the street 16 years ago. We chose Illinois Energy at that time because of the quality of the windows, the value for the price, and the lifetime guarantee. Now 16 years later, we have not had even one single problem with any of those windows. So when we needed additional windows replaced, Illinois Energy was an easy choice for us. The new windows were just installed this week and we were again very pleased with the quality and value of these windows, and the professionalism of the installation team. We have and will continue to recommend Illinois Energy to our friends and family.

Illinois Energy Windows & Siding

Thank you for sharing, Bob! I am happy to hear you enjoyed the process of working with our team now, and 16 years ago! We appreciate you choosing our company for your new set of windows, and we are thrilled to hear about your positive experience with us. Thank you so much for your business! Brian Campbell President Illinois Energy Windows & Siding

Window replacement

Marian s.

Everyone was polite, courteous, and professional. They came out exactly on time and was very happy with the window install

Illinois Energy Windows & Siding

Thank you for your rating, Marian! I appreciate your feedback, and am happy to hear your project went well. Take Care, Brian Campbell President Illinois Energy Windows & Siding

Love our new doors

Deborah P.

We would highly recommend Illinois Energy. Our doors are beautiful and high quality. We were very satisfied with the service and they delivered exactly as promised!

Illinois Energy Windows & Siding

Thank you very much for your feedback. We are pleased that you had a great experience! We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

New Window Installation.

Cyril C.

I was very pleased with the quality of our new windows and the speed and efficiency with which they were installed. This is a highly professional company offering very good window products whom I highly recommend to anyone in need of new window installation.

Illinois Energy Windows & Siding

Hi Cyril, Thank you very much for your feedback. I are pleased to read that you had a great experience. We appreciate your business! Thank you for choosing Illinois Energy. Brian Campbell President Illinois Energy Windows & Siding

Great service!

Kaylin S.

The gentleman that came to install my basement windows did a great job! He was fast and efficient and was done the same day! The design of the windows are next level and can be easily cleaned!!

Illinois Energy Windows & Siding

Thank you for reviewing your experience, I'm happy to hear you had a smooth process with our wonderful team. I appreciate your business. I hope you and your family continue to enjoy your new windows. Take Care! Brian Campbell President Illinois Energy Windows & Siding

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4.9 out of 5
based on 200+ 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