Allied The Window Center | Replacement Windows

Welcome to Allied

We have been proudly serving Northern Virginia since 1957. Please click read more below to hear more about Allied in a short video by Allied President, Charles Worthington.

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2013 TAX CREDIT

The United States Congress has reinstated an energy tax credit for windows and doors with the US “Energy Star” seal until December 31, 2013! You can claim the tax credit for up to $200 for qualifying replacement windows, and up to $500 for qualifying doors. All of Allied’s replacement windows and doors meet and exceed US Energy Star standards! Energy Star windows and doors from Affinity and Provia save...

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ALLIED the Window Center: Past and Present

Obren and Margaret Dean met in Baltimore in the middle of WWII. Margaret worked in an ammunition factory, and Obren’s Liberty ship harbored there in 1943. Three months from their first meeting, they were married, and lived to celebrate their 60th wedding anniversary. (Their daughters even published their love letters written throughout the war.) Obren had a shipmate who worked in the brand new aluminum...

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Introducing the Affinity windows

Our Affinity Window offers combines the best of wood and vinyl windows. There just is not another window like it. Click read more to watch the full video.

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Absolute Satisfaction

Allied’s goal is to install windows, doors, and siding, throughout the Northern Virginia region, to your absolute satisfaction. Allied’s expert installers give every homeowner the same exceptional service, beautiful look, and detailed project completion. Our installers, Bobby Peebles and Joe Brygger, each have over 25 years of experience making them experts in their professional field! We...

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Image Gallery

Seeing is believing! View several homes with recent window and door renovations by Allied. Our customers praise not only our products, and sales approach, but also our installation teams who have been service professionals with Allied for many years.

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Welcome To The Window Center

ALLIED is a full service company specializing in the sale and installation of custom-built vinyl windows and doors serving Annandale, Fairfax County and all of Northern Virginia.

For three generations, we have offered the same personalized, professional service that has helped make ALLIED unique in the industry.

Our Secret Sales Trick

It is not much of a secret, because everyone knows good work speaks for itself.
Because of Allied's beautiful, energy-saving windows and doors, great prices, low pressure sales, and great service from beginning to end,

80 percent of our business comes from referrals and repeat customers!

Call us for a free estimate for replacement windows that fit every budget..

Why Choose Allied?

We have been installing high quality, yet affordable windows and doors in Northern Virginia for over 50 years! Hundreds of homeowners have praised our work in "Checkbook."

One client wrote, "Allied's integrity, competitive prices (without the high pressure & gimmicky sales pitches), and impressive line of energy efficient windows have made me and my neighbors a few of Allied's many repeat customers."

Most Recent Blog Posts

Introducing Vinyl Design | Our Inexpensive Replacement Window: Inexpensive Replacement Windows At Allied we have been on the lookout for an inexpensive replacement window that can meet the needs for...
COMPETITION CREATES INNOVATION: How to buy a great window and avoid paying too much!: Before you buy an expensive "name brand" vinyl window or a cheap “big-box store" window, do your research! Look for beautiful, efficient...
Welcome to Allied: We have been proudly serving Northern Virginia since 1957. Please click read more below to hear more about Allied in a short video by Allied...
2013 TAX CREDIT: The United States Congress has reinstated an energy tax credit for windows and doors with the US “Energy Star” seal until December 31, 2013!...