Bruce B.
1/20/2023
We had three quotes to replace all 16 windows in our house. The first company was that big nation wide company you hear on the radio all the time. Their financing plans were confusing and it was...
Keystone Window of Pennsylvania
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(24)
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190 Moser Rd
Pottstown, PA 19464
Keystone Window of Pennsylvania, situated in Pottstown, proudly serves Montgomery, Berks, and Chester Counties, focusing on premium energy-efficient replacement windows and doors. Our lineup of vinyl windows features Sliding, Double Hung, Bay & Bow, and Casement styles, alongside bespoke solutions, all Energy Star-certified for optimal energy savings and durability. Our expertise extends to installing a broad array of doors, from Entry to French Patio, designed to elevate your home's functionality and style. With a commitment to excellence, we offer 12-month interest-free financing, transparent upfront pricing, and unwavering dedication to customer satisfaction. Reach out today for a complimentary estimate!
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Reviews
3.524 reviews
Alex R.
7/14/2025
Terrible experience. Installer was good. Sliding glass door was installed with non functioning rollers. So my sliding glass door has become a window. I called them on Friday after the install...
Erik M.
12/19/2024
Keystone had the wrong color J channel for my install. After the workers had already removed my 5 front windows in the freezing cold, they then inform me of this mistake on their part. i had no...
James L.
1/20/2023
We met with several companies but went with Keystone Window. The salesperson was not high pressure, they had a good price and we just liked that they were a local family owned business....
Joy K.
3/9/2022
Keystone Window improperly installed one window and did an absolutely horrible job of installing window trim, using exterior window caulk on all the window trim (see photos). Keystone has refused...
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