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5.0
83 reviews

Window Review

Brittany C.

They did a great job with our new front window install! Their sales rep was informative, and all of their customer service reps were friendly. Even when our window install was delayed due to shipping, they kept us informed the entire time. I would definitely recommend them to anyone!

Illinois Energy Windows & Siding

Hi Brittany! I appreciate you sharing your feedback with our company. We are happy to hear we were able to be communicative with you throughout the entire process and that you are happy with you new windows. Thank you for the recommendation, and of course, your business! Illinois Energy Management

Window review

Rebecca K.

My experience was great. Everyone within the company was very pleasant and helpful. Our new windows are beautiful and we will definitely be returning customers.

Illinois Energy Windows & Siding

Thank you for your rating, Becky! I'm happy your windows are to your satisfaction. It was a pleasure doing business with you! Illinois Energy Management

Door/window installation

Michael O.

Excellent smaller company that cares about the work and the customer. Installation was quick and clean. Definitely will use Illinois Energy in the future.

Illinois Energy Windows & Siding

Thank you, Mike! We are so glad that you had a perfect experience with our company. I'm glad you are loving your new windows and doors! If there is anything you need, give us a call. Take care! Illinois Energy Management

Love our new windows!

Peggy V.

We used Illinois Energy in the past for our front door. When we wanted to replace our windows, we included them when getting quotes. Their products and timeliness once again made them the top choice. We love the look of our new windows! Everyone we worked with at Illinois Energy was professional, responsive and on time.

Illinois Energy Windows & Siding

Thank you for sharing, Peggy! We are honored to be your top choice for when it comes to windows and doors. We are happy to have met your expectations! Keep enjoying your new windows and door! Take care! Illinois Energy Management

Excellent Window service and installation.

Wendy S.

My cousin recommended Illinois Energy Windows and Siding to me and they are great! I had a bay window replaced about two years ago and the price was much more reasonable and the installation was very professional. I called them to redo a bathroom window and had great suggestions by the salesman and the installation happened sooner than was promised. And the warranty for both window and installation is excellent! I would wholeheartedly recommend Illinois Energy Windows and Siding to anyone!

Illinois Energy Windows & Siding

Hi Wendy! We appreciate your rating. I'm happy we were able to deliver as promised, and it was an overall great experience for you. We appreciate your business, and recommendation! Illinois Energy Management

Happy with Our Door!

Christina G.

Had a great experience with Illinois Energy Windows & Sliding. They had a variety of door styles and showed great knowledge on each style and explained what doors would work best for us. The customer service team is amazing and very prompt in their responses. Installation was quick and efficient, and the installers were careful and made sure to clean up after themselves. Would recommend!

Illinois Energy Windows & Siding

Thank you for your rating, Christina! We are happy to hear of your experience with our company. We appreciate your kind words to our team. I am happy you love your door, and can not thank you enough for your business! Take care, Illinois Energy Management

New front door!

Annie M.

Excellent customer service, knowledgeable and made fantastic recommendations for our beautiful new front door!

Illinois Energy Windows & Siding

Thank you for the rating and recommendation, Annie! I am so happy to hear you love your new door. Thank you for your business! Take care, Brian Campbell President Illinois Energy Windows & Siding

Latest window and door installation

Douglas F.

Entire process from selection of windows and doors to schedule of and installation was a good experience. Friendly staff and installers that answer our questions and address our concerns with professionalism. We have used Illinois Energy Windows & Siding for all our original window and exterior door replacements over the last 10 years. We are very pleased with the product and service we received.

Illinois Energy Windows & Siding

Hi, Doug! I'm happy to hear of your pleasant experience with our company, both past and present! It has been a privilege doing business with you over the years. We greatly appreciate your support, and feedback. I hope you continue to love your windows and doors. Brian Campbell President Illinois Energy Windows & Siding Inc

Excellent choice

James H.

All I can say is outstanding purchase communication, sales, project manager, installer all top notch.Window and door looked amazing and I would highly recommend this 5 star company. And definitely would use them for any future projects.

Illinois Energy Windows & Siding

Thank you for your wonderful rating, James! I am so glad to hear that the project turned out better than you expected for. We strive to meet our customers expectations, and I'm so happy we exceeded yours! Thank you for your business and recommendation. Brian Campbell President Illinois Energy Windows & Siding

Top Notch Service

Sheila H.

The entire experience was top notch. Derek Ahlborn came to my house prepared. He had statistics and contracts that explained what their services were and what the Full warranty (not limited) meant to me as a home owner. The product (patio door and hardware) was installed sooner than expected. And the installation team was fast and conscientious about cleaning up afterwards. I even received a follow up call from Shelby asking about my experience . I will definitely recommend and use them again for future product lines.

Illinois Energy Windows & Siding

Hi Sheila! Thank you for sharing your wonderful experience with our team! Derek has been with our company for quite some time, I'm happy that he was able to share his knowledge of the industry with you. We are so thrilled to be able to exceed your expectations! Thank you for your business! Brian Campbell President Illinois Energy Windows & Siding Inc

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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