certified company
Based on 583 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
5th year as a Best Pick Call
"We offer premium windows, doors, and siding 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, wood, and fiberglass windows and doors as well as vinyl and fiber cement siding 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.
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 states that it has installed over 275,000 windows in 55,000 homes.

The company is an EPA Lead-Safe Certified Firm and an ENERGY STAR Partner. Window Nation was ranked 6th on Remodeling's 2016 list of the largest replacement contractors in the US.

Areas Served
Prince William, Fairfax County, Loudoun County, Arlington County
A selection of 583 homeowner reviews:
“The installation quality was outstanding. They installed 17 windows. They had a very efficient, clean, and high-quality process. The windows are beautiful and have drastically reduced the noise. We can no longer hear most of the traffic along the road out front. We highly recommend Window Nation—A.”
“After talking with several companies, I picked Window Nation for their patience to help me understand the process and explain each step and their awesome professionalism and expertise. I would highly recommend them without reservations.”
“The team was extremely efficient. We are truly impressed with the work done on our home. Everyone at Window Nation is a credit to the business. The windows are great—A+.”
“They can come work in our home anytime. These are workers you can depend on for excellent service.”
“We were very pleased with Window Nation. They exceeded all of our expectations.”
“Window Nation has done almost every window in outlet home. Their sales team was courteous and made sure that we were getting the right product for our needs. The installation crews were always on time or early. They worked hard and fast. The work was of the highest quality and everything looks and works as advertised.”
“Great job, very professional.”
“Good quality, good service.”
“So far we are very happy with the windows installed. Looking forward to more comfort and less electricity use.”
“They did a great job and I would recommend their product. They came and installed 49 different types of windows throughout the house. They installed casement, half moon, small and big, and regular windows. The only problem I had was they did not get the glue off the stickers of new windows. I am still trying to get that off. I would recommend they clean the sticker part off before installing. Other than that I would highly recommend them. Thanks WN good job.”