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Rated 4.8★ across 36 reviews, Friendly Windows is an established window, door specialist serving Northbrook, and surrounding areas. Focused on windows and doors. One reviewer writes: "Had a great experience working with David and Patrick at Friendly Windows." The quality of their completed work speaks for itself in client feedback. Reviewers credit David with strong communication — fast replies and no surprises. Delivers on schedule and on budget — clients mention this consistently. Clients note the team cleans up thoroughly, leaving the home better than they found it. Reviewer-reported project costs in the $10,000 range. Online engagement with past clients is consistent.
General Contractors projects typically cost $25K – $150K+ in Chicagoland
Peter Dedes
5 reviews
Northbrook
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“They were extremely professional and did an exceptional job at a very reasonable price.”
“We had a great experience with the staff at Friendly Windows.”
We had a great experience with the staff at Friendly Windows. They did a great job of assessing our needs and providing a great product. They kept us informed as to delivery and installation dates. The installers were professional, efficient and the site was left clean. Can't say enough good things about our experience.
Mark Mulroe
Feb 2025
“Great experience.”
Great experience! Beautiful windows! We had all of our windows replaced. Couldn’t be happier with the finished product. You wouldn’t even know they were here. They were so neat and polite. They worked quickly replaced all 19 windows in 2 days. As a first time homeowner, David and his brothers made I was completely comfortable with everything. They are the best!
Sarah moore
Jun 2024
“Friendly windows was awesome to work with.”
Friendly windows was awesome to work with. They were timely, helpful and easy get scheduled and were extremely professional. The installation was perfect and I would highly recommend anyone to use them.
Pat Doyle
Apr 2023
“They installed my basement windows.”
They installed my basement windows. Did a amazing job. The salesman who came out was knowledgeable and polite unlike other companies. Their prices were great. I can't say enough good things of friendly Windows
David Woods
Jan 2023
“We just purchased a house that was in desperate need of new windows.”
We just purchased a house that was in desperate need of new windows. We are new to the area and called around for 3 different estimates. Not only was Friendly Windows the most affordable, David said they pride themselves on phenomenal service and installation. It did take about 8 weeks (2 weeks earlier than estimated) and I was able get on the schedule very quickly. They where able to install 19 windows in 2 days! The only reason they didn't do it all in one day is one of the windows did have a defect. They worked with the manufacture (who is local as well) and able to have the new window the next day. We did experience very cold weather over the holidays and there was no frost or draft on the windows and the house kept warm. The entire process was great and would highly recommend them.
Jason Bryk
Jan 2023
“Had a great experience working with David and Patrick at Friendly Windows.”
Had a great experience working with David and Patrick at Friendly Windows. They’re not your average sales guys who are extremely pushy. They come in, evaluate what you need, listen to your concerns and come up with fair and honest proposals. I live in an HOA so the exterior has to be identical to what we currently have in terms of window design and David went above and beyond to ensure the collection of windows he was offering me matched exactly that. He provided many samples/examples of the type of window I would be getting so I could submit it to the HOA for approvals. Installation of the windows was fantastic. The guys prepped the area with drop clothes to ensure they didn’t make a mess and spent two days installing my windows. Once they finished installing, they caulked and painted the interior trim and the windows came out better than I could have expected. David ensured I was completely satisfied before he left and said if I have any issues to just let him know. Thankfully I have not had any issues and we are finally enjoying our brand new windows. Thanks again!
Daniel Camacho
Nov 2022
“Smooth process from start to finish.”
Smooth process from start to finish. Informative, straightforward in both sales and installation. Loved our experience with Friendly Windows.
Joseph c
Oct 2022
“Dave and crew at Friendly are amazing.”
Dave and crew at Friendly are amazing! They were extremely professional and did an exceptional job at a very reasonable price. We replaced about 10 windows and a big French door. It looks great and would highly recommend them!
Peter Dedes
Sep 2022
“They where simply great.”
They where simply great. On time, very skilled, very clean, very knowledgeable and very Friendly! I would highly recommend them to replace your windows.
Richard Siegel
Sep 2022
“I’m a contractor who’s used friendly windows several times.”
I’m a contractor who’s used friendly windows several times. They deliver EXACTLY what they say. Patrick is very professional and educated on their products. There install team is top notch as well. There very neat respectful and tidy while there working. I don’t even bother shopping around due to the level of quality they deliver.
dan teska
Apr 2022
“The staff was wonderful and friendly.”
The staff was wonderful and friendly! Sure made the 2-hour wait go by better...our new windows look really beautiful and the price charged for the whole service was highly reasonable. Looking forward to calling you guys again for another window replacement work at our farmhouse. Thumbs up.
Angela Sutherland
Aug 2020
“Windows are beautiful.”
Windows are beautiful! Very good attention to detail. From start to finish, everything was done in a timely manner. A technician arrived the next day to make sure the project has gone right. Couldn’t have asked for a better experience. Keep it up!
Andrew Lambert
Aug 2020
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