Window Nation
13th year as a Best Pick
certified company
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
Best Pick Guaranteed

Compiled Score:

Window Nation has received 4.6 out of 5 stars based on 3001 customer reviews. Learn about Our Research Process.
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13th year as a Best Pick
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"We offer premium windows and doors specifically designed for the DC climate. All products are installed by highly skilled professionals and are covered by one of the most comprehensive warranties in the industry. We're best known for the attention we pay to every detail."

Harley Magden | CEO & Co-owner
Company Information
Services Offered
Window Nation installs custom vinyl windows and doors for residents of Northern Virginia, Maryland, DC, Northern Delaware, Pennsylvania, and New Jersey.
Services Not Offered
The company does not install glass block or repair products that it did not install.
Minimum Job
A three-window minimum is required.
Warranty
Window Nation offers a 100 percent customer satisfaction guarantee.
Company History
Window Nation is owned by brothers Harley and Aaron Magden, third-generation window experts. The company has installed over 1 million windows in more than 125,000 homes.
Distinctions
The company is an EPA Lead-Safe Certified Firm. Window Nation was ranked 5th on Remodeling's 2020 list of the largest replacement contractors in the US.
Areas Served
Annapolis Junction, Annapolis, Arnold, Ashton, Barnesville, Beallsville, Beltsville, Bethesda, Bowie, Boyds, Brinklow, Brookeville, Burtonsville, Cabin John, Chevy Chase, Clarksburg, Clarksville, Columbia, Cooksville, Crofton, Crownsville, Damascus, Davidsonville, Dayton, Derwood, Dickerson, Edgewater, Elkridge, Ellicott City, Fort George G Meade, Fulton, Gaithersburg, Galesville, Gambrills, Garrett Park, Germantown, Gibson Island, Glen Burnie, Glen Echo, Glenelg, Glenn Dale, Glenwood, Greenbelt, Hanover, Harmans, Harwood, Highland, Hyattsville, Jessup, Kensington, Lanham, Laurel, Lisbon, Millersville, Montgomery Village, Odenton, Olney, Pasadena, Poolesville, Potomac, Riva, Rockville, Sandy Spring, Savage, Severn, Severna Park, Silver Spring, Spencerville, Takoma Park, Upper Marlboro, Washington Grove, West Friendship, West River, Woodbine
Address
8198 Terminal Road #105
Lorton, VA 22079
Hours
Mon
8:00 am - 5:00 pm
Tue
8:00 am - 5:00 pm
Wed
8:00 am - 5:00 pm
Thu
8:00 am - 5:00 pm
Fri
8:00 am - 5:00 pm
Sat
9:00 am - 3:00 pm
Sun
Closed
Licenses
MHIC-124358, 420221000121

Compiled Score:

Window Nation has received 4.6 out of 5 stars based on 3001 customer reviews. Learn about Our Research Process.
5
2431
4
245
3
201
2
80
1
44
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Review by
06/07/2025

“The whole Process was easy and no stress!”

Review by
06/07/2025

“Good crew, the work was done very professionally and their was no clean up after they were gone!”

Review by
06/07/2025

No review comments provided

Review by
06/07/2025

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Review by
06/07/2025

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Review by
06/07/2025

“Bad sales rep promised something he could not deliver. Poor response from the follow up sales team. The manager I tried to contact per he email never responded. and Mike only answered sales related questions to get the new contract signed.. No response to my other email and texts.”

Review by
06/06/2025

No review comments provided

Review by
06/06/2025

“Onetime and the professionalism”

Review by
06/06/2025

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Review by
06/06/2025

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Review by
06/06/2025

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Review by
06/06/2025

“Very unhappy with my 8000 dollar slider!”

Review by
06/06/2025

No review comments provided

Review by
06/05/2025

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Review by
06/05/2025

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Review by
06/05/2025

“I have asked four (4) times to have someone contact me to discuss an issue I’m having with the windows I had installed. To the date of this report, no one has contacted me.”

Review by
06/04/2025

“Window Nation provided the lowest cost estimate. The windows are of very good quality, good materials, excellent construction and excellent work by the installation team. The install team was very punctual, performed great work and cleaned up well, you could not even tell they had been there. Also, on the sales end, Terry was very knowledgeable, represented the product well, understood the competitive offerings very well and the whole process lived up to the high expectations he set.”

Review by
06/04/2025

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Review by
06/04/2025

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Review by
06/04/2025

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06/04/2025

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Review by
06/04/2025

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Review by
06/03/2025

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Review by
06/03/2025

“We had issues with the installation, and they haven't solved it yet.”

Review by
06/02/2025

“Great job! Fast and willing to work in a difficult location to install window (under deck)!”

Review by
06/02/2025

“Great job very perfectional. Completed the job when they sad they were.”

Review by
06/02/2025

No review comments provided

Review by
06/02/2025

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Review by
06/01/2025

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Review by
05/30/2025

“They have a very professional crew.”

Review by
05/30/2025

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Review by
05/30/2025

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Review by
05/29/2025

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Review by
05/29/2025

“I’m very satisfied with the whole installation process. Everything went as planned.”

Review by
05/28/2025

“So far so good. Will recommend only after a time to see that there are no issues with the elements etc.”

Review by
05/28/2025

“Everyone has been professional from start to finish.”

Review by
05/28/2025

No review comments provided

Review by
05/28/2025

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Review by
05/28/2025

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Review by
05/28/2025

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Review by
05/28/2025

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Review by
05/28/2025

“I like the style of the windows”

Review by
05/27/2025

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Review by
05/27/2025

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Review by
05/27/2025

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Review by
05/27/2025

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Review by
05/27/2025

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Review by
05/27/2025

“Project was seamless from start to finish”

Review by
05/27/2025

“We had a wonderful experience, getting our windows installed. The guys were quick and very clean.”

Review by
05/27/2025

“Everything you could ask for. They make it so easy. And gave us gorgeous windows.”

Review by
05/26/2025

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Review by
05/24/2025

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Review by
05/24/2025

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Review by
05/23/2025

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Review by
05/23/2025

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Review by
05/22/2025

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Review by
05/22/2025

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Review by
05/21/2025

“Everything. From sales, measurements, customer service, techs and service all were knowledgeable. explained everything about the project from start to finish and completed project in a timely manner.”

Review by
05/21/2025

No review comments provided

Review by
05/20/2025

“Great prices and quality windows.”

Review by
05/20/2025

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Review by
05/20/2025

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Review by
05/20/2025

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Review by
05/20/2025

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Review by
05/20/2025

“We really needed communication/engagement relating to the on-line payment when work was completed, since it wasn’t clearly defined during the initial payment by Window Nation home presentation. Attempts to engage customer service got us nowhere but a follow-up threatening us about the payment that was paid by credit union cashiers check. No empathy, difficult to reach with no responses except negative comments regarding lack of payment on Window Nation electronic payment system, go back to the drawing board on this electronic billing payment option.”

Review by
05/19/2025

No review comments provided

Review by
05/19/2025

“The entire process from beginning to the end went very smoothly and the installation team was professional. They also worked quickly and were very responsive to my questions.”

Review by
05/19/2025

“I already recommended your company to people in my condo building”

Review by
05/18/2025

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Review by
05/18/2025

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Review by
05/18/2025

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Review by
05/18/2025

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Review by
05/17/2025

“Your group of installers came in and went to work as a team. Seemed to work very well together.”

Review by
05/16/2025

“They did an excellent job. Windows look great. They cleaned up fantastic.”

Review by
05/16/2025

No review comments provided

Review by
05/16/2025

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Review by
05/16/2025

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Review by
05/16/2025

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Review by
05/15/2025

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Review by
05/15/2025

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Review by
05/15/2025

“Sam the Sales Consultant was great and the installation was done very professionally”

Review by
05/15/2025

“Oscar and his team did a great job jon”

Review by
05/15/2025

No review comments provided

Review by
05/14/2025

“Great staff on time delivery”

Review by
05/13/2025

“Installer Jose and David were very professional, they didn’t stop working until everything was completed.”

Review by
05/13/2025

“Clean Job, Profesional persons , very imprese ,”

Review by
05/13/2025

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Review by
05/13/2025

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Review by
05/13/2025

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Review by
05/13/2025

“I spent $22,000 on brand new windows. A couple of days after installation I noticed gnats all over my bathroom. The gnats were not only getting through the screens, but also the panes. They were in between the screen and the panes. They haven't come out to look at it yet. I can't open up my $22,000 windows because bugs come in. The cheaper windows that were in my house for 30 years at least didn't let the bugs in.”

Review by
05/12/2025

“Great job and wonderful windows”

Review by
05/12/2025

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Review by
05/12/2025

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Review by
05/11/2025

“Installation was superb”

Review by
05/10/2025

“It's a company but it's still a bit expensive”

Review by
05/09/2025

No review comments provided

Review by
05/09/2025

“Everything is perfect.”

Review by
05/09/2025

“They were very efficient and proficient. They stayed in contact with me and got the windows installed at a reasonable time.”

Review by
05/09/2025

No review comments provided

Review by
05/09/2025

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