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Find Long Windows near you

We are the Mid-Atlantic’s window replacement and window installation experts. Long Windows is the exclusive provider of Quantum2 Heat Mirror® windows for your Washington, D.C., Maryland, Northern Virginia or West Virginia home. Now serving Boston, Mass. and the New England region.

Long Windows™ Locations and Service Areas

Change the way you see the world

Our customers never settle for less – and neither do we. Our products are the best on the market, available to homeowners in the Washington D.C. region, Boston and New England.

We believe in the simple satisfaction of a job well done. With Long Windows, you’ll receive nothing less than superior workmanship, the highest quality materials and the dedicated customer service you’ve come to expect from the LONG family of home improvement brands.

When you replace your windows with LONG, you become a part of our family. We work with you to make sure your window replacement is convenient, smooth and long-lasting – letting you see the world in a better light for years to come.

living room windows


A legacy that extends beyond windows. Long Windows is a part of the Long Fence and Home® family of brands that have been committed to quality home improvement since 1945. For the last 70 years, our family-operated business has been proud to pave the way in the home improvement space for our customers and our communities.

Our original values still guide us in what we do every day. Outstanding customer service, quality craftsmanship and only providing the best materials on the market are what make Long Windows stand out against the rest.


Quality products backed by quality service. Every window replacement project includes our Commercial Grade Constant Force Balance System that eliminates the springs, strings, wires and balancers, making your new windows durable and stable for as long as you’re in your home. Our skilled workmanship guarantees your top-of-the-line windows are installed the right way the first time with as little inconvenience to you as possible.

Our dedication to quality in everything we do has earned us the coveted Guildmaster award from GuildQuality.com – a recognition given to home improvement companies that provide an exceptional level of service – thanks to our 4.6-out-of-5 star rating and over 6,000 reviews.

Long Windows Locations and Service Areas

Maryland

Long Roofing services are available throughout the state of Maryland. To learn more, visit our windows section or select a specific city page below:

New England

Long Windows services are available throughout New England. To learn more, visit our windows section select a specific city page below:

  • Braintree, MA
  • Boston, MA
  • Dedham, MA
  • Lowell, MA
  • Waltham, MA
  • Woburn, MA
Northern Virginia / Richmond

Long Windows services are available throughout Northern Virginia and Richmond. To learn more, visit our windows section or select a specific city page below:

Washington, D.C.

West Virginia

No matter where you live, we have the window replacement warranty for you.

You’ll never have to worry about your new windows with our rock-solid warranty. If there’s ever a problem, we’ll make it right.

Need financing for your new windows? As part of our worry-free financing, we are always conscious of your budget. We work with you to put together personalized financing that suits your needs and gives you the window package of your dreams.

We offer competitive loan rates, budget-friendly payment plans, easy to understand paperwork and no hidden fees. To learn more about our financing options and unsecured loans up to $75,000, visit our financing page.

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Get educated: Learning more about new window replacement and window installation.

Ready for new windows? Here’s what Long Windows has to offer.

  • Window Options and Showcase
    Long Windows offers double hung windows, casement windows, awning windows, hopper windows, slider windows, bow and bay windows, picture windows, garden windows and specialty windows in a variety of interior and exterior color options and grille designs. See what Long Windows can do for your home.

  • Window Benefits and Specifications
    Protection from harmful UV rays, noise pollution and potential intruders — Long Windows can make your home safer and more comfortable. Learn more about energy-efficient windows from a family business with over 70 years of home improvement experience.

  • Window Testimonials
    Homeowners throughout the Washington, D.C., Maryland, Northern Virginia and West Virginia regions enjoy the unique benefits provided by Long Windows. We are proud to now serve Boston, Mass. and the New England area, as well. See some of our recent window work and learn how people just like you enjoy the view provided by Long Windows.

Let's talk about windows.

If it's time to replace your windows, we should talk today. We look forward to protecting your family and your home.

*On initial visit only. Minimum purchase required. For windows, three or more windows required. Cannot be combined with other offers. Prior sales excluded. Some exclusions may apply. Discounts not valid on restoration division purchases. Offer expires 11/25/19.