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5.0
506 reviews

Replacement Windows

Michele S.

Illinois Energy replacement windows are top quality. The installation crew was professional, courteous and very clean. There was no additional cleanup needed when they left. The windows look great!

Illinois Energy Windows & Siding

Thank you for the wonderful review! We’re thrilled to hear you’re happy with the quality of your new windows and that our installation crew provided professional, courteous service while keeping everything clean. It’s great to know there was no additional cleanup needed after they finished. We truly appreciate you choosing us! Illinois Energy Management

Installers quick and respectful

Dean O.

The installers were quick and efficient. And very respectful. The installers cleaned up afterwards such that we couldn’t tell they’d been here.

Illinois Energy Windows & Siding

Thank you for the great review! We’re glad to hear our installation team was quick, efficient, and respectful of your home. We’re especially happy they left everything clean and tidy after completing the work. We truly appreciate you choosing us! Illinois Energy Management

new patio door

Jim R.

The experience was professional, the price was approximately half of Pella's, and the lifetime warranty gives us much greater peace of mind.

Door & Window Replacement

David S.

I had the exterior front door, storm door, and picture window in the front of my house in Lombard replaced by Illinois Energy. I am very pleased with the work that was done. The workman was very careful to minimize dirt and dust left on the floor and even outside. He placed plastic on the floor and ground. After the job was done, he cleaned up the small amount of dirt and dust that accumulated. The doors and window are fantastic. I am surprised by how much better the view is out the window from the inside and how much better it looks from the outside. I had extensive work done in 2018 on the house I was living in at the time in Glendale Heights, including the exterior siding, all of the doors, and all of the windows. I was very happy with that work as well. I had some minor issues with the adjustments on the storm door and lock on the sliding patio door. They had a technician come out several times to fix the issues. After about 5 years, the handle on the storm door broke. Illinois Energy provided a new handle and had a technician come out to install it. All of this work was free of charge. Illinois Energy really stands behind their warranties. I would highly recommend Illinois Energy.

Illinois Energy Windows & Siding

Thank you so much for the thoughtful and detailed review! We’re thrilled to hear you’re so pleased with your new front door, storm door, and picture window, and that our installer took such great care to protect your home and leave everything clean. It means even more to know you’ve trusted us for projects on two different homes over the years and have experienced firsthand how seriously we take our warranties and customer service. We truly appreciate your continued trust, your kind words, and your recommendation. Thank you for choosing us! Illinois Energy Management

Repeat customer

Ken H.

We had 5 windows installed from Illinois Energy and Windows. The 3 man crew arrived on time and finished quickly. They cleaned, caulked and placed water proof tape down before installing the windows, then caulked again to seal. Great job!

Illinois Energy Windows & Siding

Thank you for coming back to work with us again, it really means a lot! We're glad Anthony, Jim, and Jerry were able to deliver the same high level of service you’ve come to expect. It's great to hear everything went smoothly and that Jerry went the extra mile. We appreciate your continued trust and look forward to helping with any future projects! Illinois Energy Management

Great install team, but…

Dan M.

The install team did a great job at cleaning up after themselves and installed the windows during an awful storm in my area. They didn’t stop! The install team was amazing! My biggest complaint was the lack of transparency with the timeframe arrival for the windows. I originally ordered the windows on 5/20 and they didn’t get installed until 8/11. I understand the timeframe is an estimate but I would appreciate more frequent updates on future orders.

Illinois Energy Windows & Siding

Thank you for sharing your feedback! We’re thrilled to hear how impressed you were with our installation team, especially given the challenging weather conditions. We’re sorry, though, that the communication regarding the window arrival timeline fell short of your expectations. We understand how important timely updates are, and we appreciate you bringing this to our attention. We’ll take your feedback to heart as we continue working to improve the customer experience. Thank you for choosing us! Illinois Energy Management

Awesome Front Door, Sidelight & Windows Installed

Margo S.

We have a raised ranch home in Palatine IL. We worked with Illinois Energy Sales staff and Tristan to help us design our new Front Door with Sidelight and large Picture Window above the door. We also ordered a new Storm Door to replace our existing outdated door. It is such a pleasure to look at the finished product from the street and from inside our home. Tristan offered great designs, educated us on the product, the process to install, gave pricing options / installation steps. We are very happy with the beautiful / high quality result. It was worth the investment . The beautiful design is even better than we imagined, and provides nice curb appeal. The installation team was very professional from start to finish. Given our home is a 2 story, raised ranch structure, this was a difficult project, especially the huge heavy window above the door. The team worked well together and the 2 day project installation went very smoothly. We had strong communications and happily there were no unforeseen surprises. We are very pleased with the completed project and highly recommend Illinois Energy!

Illinois Energy Windows & Siding

Thank you so much for the fantastic review! We’re thrilled to hear you’re so happy with your new front door, picture window, and sidelight and that the finished project turned out even better than you envisioned. It’s wonderful to know Tristan helped guide you through the design and options while keeping the process clear and comfortable, and that our installation team handled the project professionally from start to finish. We truly appreciate your recommendation and are honored to have helped improve the look and curb appeal of your home. Thank you for choosing us! Illinois Energy Management

Happy with installation experience

Cheryl P.

We recently purchased two exterior doors and a new screen door and a window for a garage from Illinois Energy. The installation process was flawless. Our installer Geri was considerate cleaned up after himself and explained everything he was doing as he did it and confirmed everything with me prior to completing each task. The quality of the products are great. We’re very happy with our purchase. We have purchased other items from Illinois Energy and have been pleased with everything in the past and this time was no different.

Illinois Energy Windows & Siding

Thank you for the wonderful review! We’re thrilled to hear Jerry provided such a fantastic installation experience and completed your doors and window in just one day. It’s great to know he took the time to explain everything, kept you informed throughout the project, and left everything clean and tidy. We’re especially grateful for your continued trust in us and are so happy that you’ve never been disappointed with our work. Thank you for choosing us again! Illinois Energy Management

New Patio Door

Jim R.

Our 25-year-old Pella patio sliding door recently failed when moisture intrusion caused the door to swell to the point that it could no longer close properly. The door had a 20-year warranty, so we understood that the warranty period had ended. However, we were disappointed to learn that replacement parts were no longer available for the door and that Pella did not offer us a customer discount that we felt was reasonable toward a replacement. We obtained a replacement quote from Pella, but the cost was substantially higher than what we ultimately paid for Illinois Energy to do the work. Illinois Energy was about half the price for a new patio sliding door. The new door was installed weeks early with excellent service and a lifetime warranty. We are very happy with our decision to go with Illinois Energy. The experience was professional, the price was approximately half of Pella's, and the lifetime warranty gives us much greater peace of mind going forward.

Illinois Energy Windows & Siding

Thank you for the detailed review! We’re thrilled to hear you’re so happy with your decision to choose us for your new patio sliding door. It’s wonderful to know our team provided a professional experience, completed the installation ahead of schedule, and gave you confidence with the lifetime warranty. We’re especially glad you found the value and quality to be a great fit for your home. We truly appreciate your trust in us and are happy to have earned your business! Illinois Energy Management

Very Pleased

Gwen C.

We are very pleased with our front door and screen door. The door is very beautiful and a nice rich color. The installer did Ann excellent job. Cleaned up in and out. He answered all our questions and made sure all worked.

Illinois Energy Windows & Siding

Thank you for the wonderful review! We’re so glad to hear you’re happy with your new door and that you loved the rich color and hardware. It’s great to know our installer did an excellent job, kept everything clean, and took the time to answer your questions. We truly appreciate your recommendation and your trust in us for future projects! Illinois Energy Management

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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