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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.

We'll definitely call them if we ever need windows replacement again.

This is a company that stand behind their products and installation.We have them installed our windows about 10 years ago. Last week, my wife tilted the window for a cleaning and could not close. She asked me to check without telling me what she has done. Naturally, I tilted the window one more time. Then I heard a...
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Rieman D | Gaithersburg

They make sure everything is perfect

Read all the other reviews, and you will understand. 5 stars, go with WoW! They make sure everything is perfect and won't stop until you are 100% satisfied
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Jim R | Laurel

Signing a second contract with WOW.

I was most satisfied with the professionalism, and the courteous of the installers. We are now signing a second contract with WOW. We are very satisfied with their work.
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Tanea & Jonathon F | Silver Spring

Cleaned up nicely and were professional.

11/12 4's The project team leader, Young, was fantastic...and his team was hardworking, cleaned up nicely and were professional. Attention to detail was great! It was a very cold day...no complaining, just work to get the house closed back up and ready for the night. I have referred two neighbors to WoW already.
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Michele P | Ijamsville

Very competent, responsible, and responsive

Very personable and friendly sales. Office personnel were very responsive and professional. Schedule manager, who managed the installation, was very competent, responsible, and responsive in accommodating schedule, managing installation, meeting expectations, and addressing requests or concerns. WOW warranty and...
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Yun C | Vienna