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5.0
359 reviews

New Patio Door

Linda M.

I'm very happy with my new patio door. I didn't realize how hard it was to operate my old door until this new one was installed. It opens so easily and smoothly. I liked all the options I was given so that I was able to choose exactly the features I wanted! Everyone I worked with from Illinois Energy was knowledgeable, courteous, and helpful.

Illinois Energy Windows & Siding

Thank you so much for the kind words! We're really glad to hear you're enjoying your new patio door, it's amazing what a difference a smooth, easy to use door can make. It’s great that you found all the options helpful and we’re happy our team was able to provide the support you needed along the way. Illinois Energy Management

Great company to work with.

Dawn P.

I am a returning costumer on a 4th project. All involved were great to work with.

Illinois Energy Windows & Siding

Thank you so much for your continued trust in Illinois Energy Windows & Siding, it means the world to us! We’re honored to have worked with you on your fourth project, and we’re thrilled to hear that everything from the punctuality and knowledge of our team to the detailed communication met your expectations. It’s great to know Derek was able to help you find the right products within your budget, and we’re so glad you're happy with your new windows and door. We truly value your loyalty and look forward to serving you again in the future! Illinois Energy Management

New windows, new views

Elek S.

I’ve worked with Illinois Energy a coup times in the past and was confident that I could expect the same level of expertise and professionalism. The workmen arrived on time and took all precautions to minimize and dust or debris. They were very courteous and answered all of my questions. Before I knew it, they were done and I was left with beautiful new windows and a new view of my backyard. I highly recommend Illinois Energy for all of the services they offer and will definitely recommend them to my family and friends. Thanks for the great windows!

Illinois Energy Windows & Siding

Thank you so much for your continued trust in us! We're thrilled to hear that your experience lived up to your expectations once again. Our team works hard to ensure every project is handled with care, professionalism, and respect for your home so it's great to know that came through. Enjoy your beautiful new windows and that fresh view of your backyard! We truly appreciate your business and look forward to helping your friends and family in the future. Thanks again for your kind words! Illinois Energy Management

Window Installation Review

Michelle K.

Recently Illinois Energy Windows & Siding did a fabulous job installing a bow window, along with a few standard size windows in our home. The installation crew was quick and did a wonderful job cleaning up after themselves.

Illinois Energy Windows & Siding

Thank you for your kind review! We're so glad to hear you're happy with your new window. Our installation team works hard to be efficient while maintaining a clean and respectful work space so it’s great to know that came through in your experience. We truly appreciate the opportunity to work with you and are thrilled you’re pleased with the results! Illinois Energy Management

Excellent place to do business with

Karen M.

Illinois Energy, by far the best window company. They have great customer service. They are great at following up to check on customer satisfaction and whether the team did their job. They did wonderful on cleaning up all the debris.

Illinois Energy Windows & Siding

Thanks so much for the fantastic feedback! We're honored to be called the best, that truly means a lot to our entire team. Providing top-notch customer service and following through after the job is done are things we take seriously, so we're glad to hear that stood out to you. It's great to know our crew left everything clean and in order, too. We appreciate your trust in us and are thrilled you had such a positive experience! Illinois Energy Management

Make the call,

Ashley P.

Our experience with the team was excellent. Sean helped us with deciding on our product that worked with our budget. We appreciated the upfront value of time (as well as cost of course) when going over product options , especially as parents of two young kids. We knew we made the right choice of exterior door, and had a great install with Jerry. Thank you!

Illinois Energy Windows & Siding

Thank you so much for your kind words and thoughtful review! We're thrilled to hear that you had such a positive experience with Sean, Jerry, and the rest of our team. It means a lot to know that the quality of our work and the care we take around your home, family, and pets made a lasting impression. Thank you for the business, support, and feedback! Illinois Energy Management

Illinois Energy

Steve J.

Our experience with Illinois Energy was first class from start to finish. We are very pleased with everyone involved. Thank you, Illinois Energy.

Illinois Energy Windows & Siding

Thank you for sharing your experience! We're so glad to hear you were pleased with your new windows and patio door installation. Our team takes great pride in being punctual, respectful of your home, and thorough with clean-up so it’s wonderful to hear that reflected in your experience. Please let us know if there is anything else we can do for you! Illinois Energy Management

Great Company

Marge H.

We have used Illinois Energy Windows and Siding twice in the past 4 years for windows and a door. They are awesome to work with. Everyone was great. Prompt and professional. They kept our house clean during and after their work. I recommend them to everyone. Love their lifetime warranty and being able to transfer the warranty to the next homeowner.

Illinois Energy Windows & Siding

Thank you so much for your continued trust in us! We're honored to have worked with you not just once, but twice over the years. It’s great to hear that our team’s professionalism, cleanliness, and attention to detail have consistently met your expectations. We’re especially glad you value our lifetime transferable warranty, it’s one of the ways we aim to bring lasting value to our customers. Thank you again for your continued support and business. Illinois Energy Management

Front Door

Claudia W.

We had our front door replaced and it makes the whole house look so much better. The installation was quick and the installer was super friendly and communicated what he was doing, issues he found with our old door/frame, and made sure we happy before leaving. We loved the whole experience.

Illinois Energy Windows & Siding

Thank you for being a loyal customer! We're so glad to hear that your new front door made such a big difference and that our team was able to address the hidden issues with the framing. We take pride in doing the job right even when unexpected challenges come up. Your continued support means a lot to us and we’re excited to work with you again in the future! Illinois Energy Management

Quality Windows with a Guarantee

Jim R.

Illinois Energy has installed / replaced all the windows in my home. The last three windows were completed this year on the back and side of the home. They were on-time and completed on schedule. The windows were custom built and installed with very competitive pricing. My windows come with a guarantee while I live in the home. It is good to know that Illinois Energy has your back.

Illinois Energy Windows & Siding

Thank you for your continued trust in us! We’re honored to have replaced all the windows in your home and are glad to hear you're happy with the latest installation. It’s great to know that our on-time service, competitive pricing, and lifetime guarantee have given you peace of mind. We're always here for you if you need anything else. 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