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5.0
318 reviews

Job Well Done!

Deta G.

Took a long time with us both working with the Village flood codes But well worth the wait I had both entry doors replaced on my old home. The guys were wonderful being sure all was done to my liking & up to the high standards Illinois Energy stands for. Job was completed in 1 day & was not as easy as it looked. I am in love with the ease of getting groceries into the house, not having bad air leaks & the home brightness of having door windows. I highly recommend Illinois Energy! Their work is excellent! I would definitely call them again!

Illinois Energy Windows & Siding

Hi Deta! We are so happy to have completed the job to your satisfaction and that you are loving your new doors! I will make sure to pass on your compliments to the rest of our team. Thank you for your feedback and your business! Illinois Energy Management

Great job and company!

Bridget T.

Outstanding company, did a great job! Clearly explained what made their windows different from other company’s, installed the windows a month early from what they originally thought they were able to do, and even asked us to be a model house and we received a discounted price for the windows, cheaper than our other bids by far! Would certainly recommend and use this company again.

Illinois Energy Windows & Siding

Hi Bridget! Thank you so much for sharing your feedback, we really appreciate it. I'm happy to hear you are satisfied with your new windows. Enjoy staying cozy this winter! We appreciate your business, Illinois Energy Management

Doors installation

Roxanne M.

It was a great experience. The crew were very professional and there workmanship was excellent.

Illinois Energy Windows & Siding

Hi Roxanne! Thank you for sharing your feedback! I'm glad your project was excellent. We appreciate your business! Best, Illinois Energy Management

New Sliding Doors

Alicia K.

Very friendly service! From the person who came to quote my door to the installation to the check in after installation to ask about my experience, all staff members of Illinois Energy are very helpful and genuinely show they care about their customers. I got a brand new 3 panel custom size back patio sliding door put in. I was impressed with the work. I am very happy! They completed the job in 4 hours. The workers were very polite and cleaned up well! HIGHLY RECOMMEND!

Illinois Energy Windows & Siding

Hi Alicia, thank you for sharing! I will be sure to pass along your friendly compliments to the rest of our team. We are so happy to have been able to complete the work to your satisfaction. Thank you for your recommendation, and your business! Take care, Illinois Energy Management

Real good experience

Daniela G.

After benchmarking a lot we decided to order our windows. We are really happy with our new windows!!! They look amazing, more modern, sturdy, the process was simple and the installation process super quick and easy. Real pleased

Illinois Energy Windows & Siding

Thank you for your review! I'm happy to hear you had a nice experience and are satisfied with your new windows. We appreciate your business! Illinois Energy Windows & Siding Inc

Family Room Windows

Helen C.

Illinois Energy installed new family room windows for us. Great company to work with.. Installers Adam and Patrick were very professional and polite. They recommended a picture window for the middle window installed and it looks amazing!

Illinois Energy Windows & Siding

Hi Helen! Thank you for sharing. We are so happy to hear of your experience with our company. I'll make sure to pass along your feedback with our team! We appreciate your business ?? Illinois Energy Management

Great!

Kenya W.

From the moment Nathan, the sales rep, came out to provide an estimate to the day of installation with Vova and the install team, the service I received from Illinois Energy has been top notch. I love my windows, and will definitely call them back to replace the remaining windows in my home.

Illinois Energy Windows & Siding

Thank you Kenya, for sharing your feedback! We are glad that we were able to provide you with topnotch service and are excited to do business with you in the future. We appreciate your business! Illinois Energy Management

Window replacement

Susan U.

The crew did a wonderful job. Starting with James who came to my home to help me pick out exactly what I needed to fit my 100 year old home. Next step was to get measurements and the gentleman who measured was very precise. The installation crew were highly skilled and everything fit perfectly. After the installation was complete the crew showed me all the features of the windows and how they worked. The next day I received a call from customer service checking if I was happy with my windows. Great service from start to finish. The windows are top quality and very energy efficient. I am a repeat customer that has recently moved to an older home with a need for new windows, Illinois Energy was the only company I would consider using.

Illinois Energy Windows & Siding

Hi Susan, thank you for taking the time to share your feedback with our company. We greatly appreciate all of the kind words about all of our team members. We try really hard to insure customer satisfaction and I'm thrilled to hear that we were able to meet your needs. We thank you for your business! Take care, Illinois Energy Management

Window Upgrade

David R.

My experience with the Illinois Energy Windows & Siding Inc. team was excellent! My journey started with my in-home estimate where I received a detailed breakdown of options that I could customize to meet my budget and ended with my new windows and my home looking great! My estimator explained how my current windows differed from what was available and helped me find windows that improved not only my energy efficiency but ease of use as well. My installer arrived promptly and ensured I understood what he would be doing. Once done he showed me how to use the new windows and cleaned up all the installation mess before leaving. I’ve had my new windows for about a month and couldn’t be happier!

Illinois Energy Windows & Siding

Thank you for sharing your experience, David! We are happy to hear of your satisfaction with our services, start to finish. We take pride in not only our work, but our customer service as well. We hope you continue to enjoy your new windows for a life time. We appreciate your business! Take care, Illinois Energy Management

Door install

George M.

We have nothing but good things to say about Illinois Energy. The installers took their time to make certain that everything fit properly. A small issue was holding them back, but rather than force things they called in their Superintendant and got the job done. We give Illinos Energy an A+. We even ordered another door to the deck.

Illinois Energy Windows & Siding

Thank you for sharing, George! We are happy we were able to complete the installation of your door to your satisfaction! We are excited for your patio door to come in! Thank you for your business! 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