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5.0
277 reviews

New patio sliding door

Helen R.

We had a new patio sliding door installed and the whole experience from start to finish in my opinion was GREAT. Very straightforward at first meeting, impressive warranty, kept in touch and products came earlier than expected. The installation itself was very neatly done and also very timely. This company was recommended from my BIL, who also did some windows for my MIL and we have all been very happy with their work. 5 stars here well done!

Illinois Energy Windows & Siding

Thank you so much for your wonderful review! We’re so glad to hear that your experience with us was great from start to finish. It’s fantastic that the process was smooth, the products arrived ahead of schedule, and the installation was timely and neat. We truly appreciate your family’s trust in us, it's always a pleasure to work with referrals like yours. Thank you again for the 5 stars, and for choosing us for your new patio door! We look forward to helping you and your family with any future projects! Illinois Energy Management

Install review

Robert S.

The crew was very courteous and professional. They were respectful of our home and our property. they were efficient, and we're quite pleased with the results. We would recommend Illinois Energy.

Illinois Energy Windows & Siding

Thank you so much for sharing your experience! We're so glad to hear that our team was courteous, respectful, and efficient during the installation. We truly appreciate your kind words and your willingness to recommend us to your friends and family. It was a pleasure working with you, and we hope to serve you again in the future! Illinois Energy Management

good job!

shawn C.

Illinois Energy Windows & Siding, Inc. did a very good job. I like it very much. The replaced new front door is beautiful, and the salesman are great, installer is good too. I like their service and hopefully reach out to them again in the future. Thanks again.

Illinois Energy Windows & Siding

Thank you for your kind words! We’re thrilled to hear that you love your new front door and had a positive experience with our team. Your satisfaction means a lot to us! If you ever need our services again, we’ll be here and ready to help. Thanks again, and enjoy your beautiful new door! Illinois Energy Management

Window replacement

Linda S.

Had 3 rooms of windows replaced. They look great . Staff was courteous and respectful. Wait time for project completion was shorter than expected. Would use company again.

Illinois Energy Windows & Siding

Thank you for your great review! We’re thrilled to hear that you’re happy with your new windows and that our team provided courteous and respectful service. It’s always our goal to exceed expectations, so we’re glad the project was completed ahead of schedule. We’d love to work with you again in the future! Enjoy your beautiful new windows! Illinois Energy Management

Patio Door Replacement

Thomas W.

Sales person as very knowledgeable and not pushy at all. He listened to our needs and help us select the perfect product. Project was on-time and perfectly executed. The installation team of 3 worked in perfect unison and never made a mess. They were very professional and finished the job in 3 hours. The final product is awesome. We will contact Illinois Energy Windows & Siding for our next project.

Illinois Energy Windows & Siding

Thank you for taking the time to share your experience! We’re delighted to hear that the project went smoothly from start to finish and that our installation team made a positive impression. It’s wonderful to know you love your new patio door! Illinois Energy Management

Great Window Installation!

Brian E.

Great experience all around. Our sales rep provided a detailed explanation of the windows and installation process. The installers were efficient and thorough. I would recommend Illinois Energy Windows & Siding to anyone looking for a quality job.

Illinois Energy Windows & Siding

Thank you so much for your kind words! We're thrilled to hear that you had a great experience with our team. It's wonderful to know that our sales rep was able to provide you with all the information you needed and that our installers met your expectations. Illinois Energy Management

Excellent service and product

Ken H.

From the time we walked into the showroom looking for a new front door until our final installation things went extremely well. This company is very informative and we love that everything is done in the states. Our salesman, the ‘measurer’, and our installer were professional and the completed product is phenomenal. One of them even helped me with getting a small cabinet door to hang even on my new build it yourself furniture filing cabinet. Spending time on something that wasn’t related to him is service you just don’t see anymore. If you’re looking for quality, service and a great product head to Illinois Energy Windows & Siding!

Illinois Energy Windows & Siding

Thank you so much for your wonderful review! We're happy to hear that your experience with us, from the showroom to the final installation, was exceptional. It's great to know you appreciate our commitment to quality and service, especially with everything being made in the States. We’re proud of our team for going above and beyond, and we’ll make sure to share your kind words with everyone involved. Enjoy your new door! Illinois Energy Management

Illinois Energy is my go-to!

Sandra L.

I have used Illinois Energy since 2009 for my window replacement needs. Having a "semi-custom" home built during the early 2000's, the builder quality windows are not great. So as issues arise, we are gradually replacing the windows that fail. Illinois Energy is not the cheapest, but we already HAVE the cheapest, and we see where that got us. Their lifetime guarantee is no joke, and they are responsive and dependable. For as long as I own a home, I will definitely depend on Illinois Energy!!!

Illinois Energy Windows & Siding

Thank you so much for your thoughtful review and for being a loyal customer since 2009! We truly appreciate your continued trust in us for your exterior projects. It’s fantastic to hear that our commitment to quality and our lifetime guarantee have made a difference for you. We’re here to support you as you make improvements to your home, and we look forward to serving you for many more years to come! Illinois Energy Management

Great Experience!

Bob F.

We had a front entrance door and basement patio door replaced as well as having the garage door framing/siding redone. Our door installer, Jerry, did amazing work and went above and beyond addressing an additional need that came up. Very meticulous and thorough. Our garage door framing was done by Josh, who also did great work and addressed an additional need that came up. It was a great experience.

Illinois Energy Windows & Siding

Thank you so much for your wonderful review! We’re thrilled to hear that both Jerry and Josh exceeded your expectations with their meticulous work and it’s great to know they were able to address those additional needs as well. Your satisfaction is our top priority, and we appreciate you taking the time to share your experience. Illinois Energy Management

So Glad We Didn’t Wait!!

Karen F.

When we met with Garrett, we were only getting estimates for the future because we were getting married and hosting a reception at our home in 2 months. Garrett worked with his team to make the install happen before the reception. Everything was easy exactly as Garrett had planned. Our estimate process was smooth, financing was easy, the staff was friendly and professional, install scheduling happened as we planned, and the install team was fabulous as well. We had a window, sliding door with transom, and storm door installed before our wedding no clean up or extra work on our part. The quality of the products are top notch and the end results are beautiful. As we continue the journey to replace the aged and failing builder grade materials in our home, we will definitely be using Illinois Energy again!

Illinois Energy Windows & Siding

Thank you for your fantastic review! We’re so glad Garrett and our team could meet your timeline for your wedding reception. It’s great to hear that everything went smoothly, from the estimates to the installation. We appreciate your kind words about our staff and the quality of our products. We look forward to helping you with future projects as you update your home. Congratulations on your marriage, and thank you for choosing us! 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