Chicago's Professional Window & Door Installation Experts
Windows focused, customer obsessed
Chicago's Professional Window & Door Installation Experts
Windows focused, customer obsessed
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What our customers are saying
"If you want to feel 100% confident you're getting the best windows, the best service, and the most skilled installation for your buck, don't contact anyone but JC Lilly. Seriously. This company was a dream throughout our long search for replacement windows." Lauren B. Chicago
Map of Customer Projects (pdf)
DownloadAbout J.C. Lilly
Knowledgeable Experts
Founded in 2007 by Jean Frankowski, J.C. Lilly Windows & Doors has completed several thousand window and door projects in Chicago and it's suburbs.
Our focus is providing our clients an awesome experience, with great products, at an affordable price. We know the window replacement process can be a confusing undertaking with all the industry mumbo jumbo and confusing choices.
We strive to give you a clear and simple explanation of your choices based off your budget and do the job right the first time.
We Care About the Details
Our business plan is simple:
Focus on installing only the best products, exactly how the manufacture requires them installed and treating our customers like gold. We don't "sell" you anything - we just give your your options and make your project a peaceful reality.
Customer Satisfaction Guaranteed
Of course we are going to tell you how great we are at installing your windows, but don't take our word for it! Check out our past customer reviews! Let J.C. Lilly deliver the best project for you!
Reviews
Schedule a free in home estimate
Schedule an Appointment
To set up a window service consultation, please contact us at your convenience. We look forward to meeting you soon.
Hours
Monday - Saturday: 8AM–5PM
and by Appointment
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