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January 2024 by Cliff Howard
This was my 2nd time using Keystone for my replacement windows. I had a great experience my first time so when it came time to replace more windows I only made one phone call. Everything went very smooth and they were very thorough. They are all very nice to work with. The windows actually came in quicker than they originally said and the install went very smooth, and they were in and out with leaving the area very clean. They showed up exactly when they said they would. Could not have asked for a better experience from beginning to end.
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January 2024 by Catherine Johnsen
This is our second time working with Keystone Window and had yet another great experience. Steve helped us pick out exactly what we wanted and gave us a quote right away. Scheduling the install was easy. We had a team of three men here to install a sliding door and two massive windows in our two-story family room. They did such a fantastic job, they were very professional and meticulously cleaned up after the job was done. Great experience from start to finish!
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January 2024 by TJ McShea
Had a great experience with Rob and Keystone Window! Windows were delivered and installed ahead of schedule.
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January 2024 by Pete CBC
Friendly sales and service team. Quality window at an affordable price.
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November 2023 by A G
Everyone at Keystone Windows from the salesman Steve, the installers crew headed by Ivan and the customer service department have been outstanding! We had a small issue during the 1st install that was corrected the next week without any difficulties or discussion. I would highly recommend Keystone for their professionalism, honesty, integrity and all around great service!
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November 2023 by Melvin Freese
The man was very professional , he did a great job and clean up all the old items and show us how they work and took time to show both sides of the installation and how he sealed all around the windows and just made me feel that the job was done right. Thanks for the job well done ;Service: Window installation
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October 2023 by Linda Fleming
Keystone was honest and upfront on what they selling and quality of what we were purchasing. They were on time, professional and clean up after they were finished!All this was done for 1/4 of what Renewal by Andersen wanted to charge us.I would recommend Keystone to my friends and family!Services: General window replacement
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October 2023 by Marla Blazier
The whole process from quote to install was very professional. If I had to make one improvement, it would be with the scheduling. It was difficult to get in touch with the individual, but once we spoke the scheduling was quick and they were very accommodating.Services: General window replacement
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August 2023 by elizabeth entrican
When we moved and knew we needed new windows, Keystone was my first thought.This is the second house we owned and have used Keystone and we cannot be happier. Rob is the absolute best and a pleasure to work with!! We had 11 windows replaced and the installers were on time, fast, professional and the clean up was done with the utmost care. If your in need of windows call Keystone, the product is immeasurable and top quality. I was happy with the replacement windows they did in my old house and am now super happy with them in my new house!
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August 2023 by Terri Shade
Our experience with Keystone windows was wonderful! They were professional, and did a very thorough job. The workers were very conscientious and respectful of our home. They were very careful around all of the landscaping and flowers, while installing the windows. There was no damage to the interior of the home. I would highly recommend them.Services: General window replacement
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June 2023 by Jemdr 7
If your looking for windows then Steve Cornish is the person who should see your project through. Very through in understanding your needs. He follows up immediately and makes the daunting experience pleasant.
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May 2023 by Matthew Poynor
Keystone Window did an amazing job replacing all 19 windows in our home. After meeting with Rob and getting all of the details with the replacement as well as an honest, fair quote we knew Keystone would be a great fit for our project. The installation team did an amazing job especially considering how difficult the removal of our old aluminum windows was. They were very professional and clean. The new windows are such an improvement and we are really looking forward to the quieter atmosphere and lower utility costs. Overall, I am very pleased with Keystone Window and will be recommending them to anyone I know that needs window work.Services: Window installation
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April 2023 by Angela Gallardo
Keystone Window pennsylvania did a great job installing my son’s windows. They also did a great job cleaning up from the install.
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March 2023 by Indysfreestuff
ANOTHER COMPANY FINISHED THEIR INSTALL: End of 2022 I had two attic windows installed. The installer never put the flashing around the windows. The owner backed the installer and said that it was done. I had WINDOW NATION replace all the rest of my windows. THEY FINISHED THE WORK THAT THE OWNER would not. Don't bother, call Window Nation
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March 2023 by Jay Hiatt
We had Keystone replace four windows in our house. Their prices were in line with or slightly better than what we found elsewhere, and while the windows did take a while to come in, they were up front with us about how long it would take to receive the windows. Our windows came in within the time frame they had told us, and installation went very smoothly. Overall very happy with the quality of the windows and installation.Service: Window installation
