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Customer Reviews

Customer satisfaction is what drives us to provide the best quality products and reliable services year after year. We would like to thank our customers that took the time to provide us valuable feedback.

See our most recent reviews below.

For more reviews check out Yelp, Angie's List   & Facebook.

The Service Level Was Excellent

Once our new windows arrived, their installation team did a wonderful job installing them, along with our new doors! Their pricing beat the competition's and the service level was excellent! We definitely will use them again for our next window project!! Definite 5 star

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William C | Sterling, VA

We Noticed The Difference In Our Home The First Night

We noticed the difference in our home the first night. Our family room has always been cold. After 20 years in our home, the family room is finally comfortable.I was very impressed by the hard working and well coordinated team who replaced our windows. Young, who led the project was available and helpful. There was...

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Michaela & Corbin, R | Ljamsville, MD

Always Going The Extra Step

They cleaned quite well the work area. The team leader (Young) was always going the extra step to ensure the windows are installed properly. He even caulked an exterior large window, which was not part of the project. He was very helpful in telling me that some of the front door hardware (which was installed by...

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Adrian, L | Frederick, MD

He Obviously Takes Pride In His Work

Very thorough and straightforward pitch from the sales rep. He inspired trust and provided some good information without too much pressure. Also, the lead installer took time to walk around and thoroughly explain features of the windows after completing the installation, and obviously takes pride in his work.

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Abraham & Cathy | Reston, VA

More Detailed Technical Information Than Sales Reps From Other Companies

Greg Schwartz provided more detailed technical information than sales reps from other companies I considered. Young Kim was professional, courteous, and detail oriented (and spoke very highly of WoW).

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Chris F | Davidsonville, MD