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5.0
500 reviews

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 We also ordered a new Storm Door to replace our existing outdated door.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

Superb and Professional new windows

Ian D.

We engaged Illinois Energy Windows and Sidings for replacement windows at our 103 year old bungalow. We replaced old and failed vinyl windows and metal storms with heritage wooden windows as part of a historical preservation incentive program in Glen Ellyn. We could not be happier with the IL Energy team at every stage of the process. Tristan and Dom really cared about the new windows being historically accurate through the manufacturing process, including accurately matching existing windows we have. The installation day went very smoothly. The installation required on the ground problem solving which Dom and the team handled extremely well. Distressed and rotten window infrastructure needed to be replaced and the team replaced with historically accurate Douglas fir wood which follows the Illinois state historic renovation standards. The insulation around the window openings was non-existent and the team added high performance insulation material from which we have already experienced a noticeable improvement with internal temperatures of the rooms. A small problem with the Weathershield windows required an after care visit and the after care team handled this extremely professionally and diagnosed and fixed the problem in a short space of time. As we plan to replace more windows in our historic bungalow over time, we would ONLY ever consider using IL Energy Windows and Siding for this further window replacement work.

Illinois Energy Windows & Siding

Thank you for such a thoughtful and detailed review! We’re honored to have been trusted with such an important project on your historic bungalow, and we’re thrilled to hear you were pleased with our team throughout every stage of the process. It’s wonderful to know Tristan, Dom, and the installation team took such care to preserve the historical character of your home, address the existing infrastructure, and make improvements that are already helping with your home’s comfort. We’re also glad our aftercare team was able to quickly diagnose and resolve the issue with your windows. Knowing you would choose us again for your future window projects is one of the greatest compliments we could receive. Thank you for trusting us! Illinois Energy Management

Outstanding installation

Ian D.

We engaged Illinois Energy Windows and Sidings for replacement windows at our 103 year old bungalow. We replaced old and failed vinyl windows and metal storms with heritage wooden windows as part of a historical preservation incentive program in Glen Ellyn. We could not be happier with the IL Energy team at every stage of the process. Tristan and Dom really cared about the new windows being historically accurate through the manufacturing process, including accurately matching existing windows we have. The installation day went very smoothly. The installation required on the ground problem solving which Dom and the team handled extremely well. Distressed and rotten window infrastructure needed to be replaced and the team replaced with historically accurate Douglas fir wood which follows the Illinois state historic renovation standards. The insulation around the window openings was non-existent and the team added high performance insulation material from which we have already experienced a noticeable improvement with internal temperatures of the rooms. A small problem with the Weathershield windows required an after care visit and the after care team handled this extremely professionally and diagnosed and fixed the problem in a short space of time. As we plan to replace more windows in our historic bungalow over time, we would ONLY ever consider using IL Energy Windows and Siding for this further window replacement work.

Illinois Energy Windows & Siding

Thank you for such a thoughtful and detailed review! We’re honored to have been trusted with such an important project on your historic bungalow, and we’re thrilled to hear you were pleased with our team throughout every stage of the process. It’s wonderful to know Tristan, Dom, and the installation team took such care to preserve the historical character of your home, address the existing infrastructure, and make improvements that are already helping with your home’s comfort. We’re also glad our aftercare team was able to quickly diagnose and resolve the issue with your windows. Knowing you would choose us again for your future window projects is one of the greatest compliments we could receive. Thank you for trusting us! Illinois Energy Management

Great results

Kelly M.

Our saleswoman was very personable & related to our situation. Help choose the right window & door for our home. Our installer did a great job.

Illinois Energy Windows & Siding

Thank you for the great review! We’re so glad to hear our sales team was personable, knowledgeable, and helped you find the right windows and door for your home. It’s wonderful to know our installer also did a great job and provided a positive experience. We truly appreciate your trust in us and thank you for choosing us! Illinois Energy Management

Sliding patio door replacement

Matt G.

I will definitely be doing business with this company again. They were knowledgeable, professional, and on time.

Illinois Energy Windows & Siding

Thank you for the wonderful review! We’re so glad to hear you had such a positive experience with our team. It’s great to know everyone was professional and knowledgeable, and that our installation crew arrived on time and left everything clean. We truly appreciate your trust in us and look forward to working with you again in the future! Illinois Energy Management

Great products and service

Louis S.

Used their services at our previous home. We knew they offered great products. Installation was completed in a day. Jerry was pleasant and very professional. Showed up timely, and left with beautiful doors and a clean workplace. Would recommend their services.

Illinois Energy Windows & Siding

Thank you for trusting us again! We’re honored that your previous experience gave you the confidence to choose us for your new home. We’re so glad to hear Jerry provided a professional and pleasant installation experience. We truly appreciate your continued support and look forward to helping you again in the future! Illinois Energy Management

Great work, highly recommend!

Patrick M.

I worked with IEWS to get three windows replaced in my house in Glen Ellyn and had a great experience. Starting with the initial sales consultation, Garrett walked me through all of my options and highlighted what I should (and shouldn't) consider when replacing the windows. For the installation, the team was in and out in less than 3 hours. Incorrect handles were initially installed (miscommunication on the original SOW), but the team came back out the next week to replace and everything looks great. Would highly recommend to anyone looking for a small, one-off window replacement, or a larger scale one.

Illinois Energy Windows & Siding

Thank you for the great review! We’re glad to hear Garrett took the time to walk you through your options and help you make an informed decision for your window replacement. It’s wonderful to know the installation was completed so quickly and that our team made sure to come back and correct the handle issue. We appreciate your patience and are happy everything turned out great. Thank you for recommending us for both smaller projects and larger window replacements! 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