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5.0
274 reviews

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

Windows Installation

Jenifer D.

Illinois Energy Windows & Sliding, Inc. was awesome . They were doing a regular follow up to let us know what was happening. On the day of the installation , the guys did a very good job. If I have to do any work in the future, I will definitely call them. Highly recommendable!

Illinois Energy Windows & Siding

Thank you for sharing your feedback - it is definitely appreciated. Our installers are a master of their craft. I'm glad you are happy with the work. Thank you for recommending us! We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

Window Installation

Kim H.

Very friendly, not pushy with sales, I feel like I got a good deal for the product and everything went smoothly. The installers were quick and efficient.

Illinois Energy Windows & Siding

Hi, Kim! Thank you for sharing your feedback with our team. We are happy to hear it was a smooth process for you! We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

Highly Recommended

Tom M.

From start to finish, Illinois Energy did a great job. The sales rep clearly explained the product, which was custom made in a timely manner. The installation crew completed the work in less than a day and cleaned up both inside and outside the house. The office followed up a with a call to make certain were satisfied with the work. I highly recommend this company.

Illinois Energy Windows & Siding

Hi, Tom! Thank you so much for taking the time to share your wonderful experience with our company. We are thrilled to hear that our teammates met your expectations. We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding Inc

Great service and product!

Elizabeth L.

I would highly recommend IL Windows & Siding for your door replacement needs. We recently needed our outdated front door replaced. From our initial consultation to the actual install day, the service we received was amazing. Everyone was courteous, knowledgeable about the product and pricing was very competitive. It was an overall smooth process. Plus, receive a ton of compliments on our new door!

Illinois Energy Windows & Siding

We are happy to hear of your smooth process from start to finish, Elizabeth. Thank you for your kind words, we hope you and your family enjoy the changes for years to come! I'm glad your friends and family are loving the door, as well! Thank you for your business. Brian Campbell President Illinois Energy Windows & Siding Inc.

Sliding Door Replacement

Frank Y.

I am very pleased with the service that I received from Illinois Energy. While the cost was not the lowest the quality of materials as well as the lifetime warranty, which is transferable, were major factors that I took into consideration when deciding to go with them. I was quoted that it would take 10-20 weeks for the door to arrive and they were ready to install the door right at 10 weeks. They worked with the city to get all the permits needed and provided me all the information so that I could get the approval through my HOA. They were very professional and worked with my schedule to find the best time to get the door installed. The team that came to install my door were very respectful and performed quality work. The took the time to make sure that everything was correct and then cleaned up all the debris that was left from the removal of the old door and the installation of the new door. The door itself is very nice and slides with the greatest of ease.

Illinois Energy Windows & Siding

We appreciate you sharing your experience, Frank! We strive to meet our customers expectations, each and every day. It makes me very happy to do so that we were able to do so with you. We are thrilled to hear you are happy with your new door! Thank you for your business. Brian Campbell President Illinois Energy Windows & Siding Inc.

Repeat Customers

Mary H.

We recently had a 60"x60" picture window installed, as well as two double-hung windows. The installation team was friendly and efficient, and the windows look wonderful. We are repeat customers and highly recommend Illinois Energy! -Mary & John Henderson

Illinois Energy Windows & Siding

Hi Mary! Thank you for taking the time to share your feedback. I'm so glad to hear the windows are wonderful. We appreciate your business, both past and present! Brian Campbell President Illinois Energy Windows & Siding Inc.

So happy, new windows.

Rosa E.

This company literally takes first prize with customer service, product quality, professional installation and ease of process. Every phase of my experience was seamless. I have more window replacements planned next year and I will look no further than Illinois Energy. Superior company that keeps their promise. Thank you Illinois Energy Team!

Illinois Energy Windows & Siding

Hi Rosa! Thank you so much for sharing your feedback. I'm happy to hear you are satisfied with your new windows. Also, thank you for complimenting our wonderful team. It was a pleasure doing business with you! Brian Campbell President Illinois Energy Windows & Siding

Replacement Windows

Linda Z.

From original order to installation everyone was very polite and respectful. I’m very happy with my windows

Illinois Energy Windows & Siding

Thank you for sharing your feedback, Linda! I'm glad to hear your happy with your new windows. We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

Sliding Door Install

Jill B.

Highly recommend! Great company to work with. Professional and quality work! We will use them again.

Illinois Energy Windows & Siding

Thank you for your feedback, Jill! We appreciate your business! Brian Campbell President Illinois Energy Windows & Siding

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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