Keystone Window of Pennsylvania

14 reviews

+1 (267) 308-2500

Website

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Only 5% of all Dealers/Contractors achieve this prestigious award every year. Any size, white vinyl double hung installed $399.

Bay window installed in King of Prussia.

Beautiful double door installation in Gilbertsville.

New homeowner decided to upgrade from the builder grade windows that came with the purchase of the new home to our Keystone Windows.

190 Moser Rd

Pottstown, PA 19464

+1 (267) 308-2500

https://www.keystonewindow.com

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

3.514 reviews

Pedro C.

3/17/2021

Keystone came out to quote me on windows and sliding door replacement. Steve Cornish was very professional, well organized and thorough in explaining the product / process & financing. Their...

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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...

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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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Drew J.

1/24/2023

Rob is the owner. 18 yrs they've been in business. I'm not a paid. Just a window buyer letting you know he's one of the most honest Companies I've ever worked with. Good quality products.

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Rick D.

9/1/2021

I used Keystone Windows to replace some of my windows and one of my front windows leaks during heavy rains. I called Keystone and they came out and told me it wasn't their fault. The window did...

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