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COVID-19 UPDATE
Long Roofing is an essential business and will continue to serve our customers’ needs during these difficult times. Since some home improvement projects just can’t wait, we are monitoring the COVID-19 situation closely to ensure all critical safety measures as recommended by the US Centers for Disease Control and Prevention (CDC) are properly implemented to protect both our employees and our customers.
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Replacement Windows Installers in Rockville, MD

If you need window replacement services you can trust for your home in Rockville, Maryland, the solution is simple – choose Long Windows. Our name has been trusted for top-notch home improvement products and precision installation since 1945. Our windows are custom manufactured, which means they will be specifically made to fit your home’s exact measurements. This process, along with our windows’ superior craftsmanship, ensures that our windows provide the best possible performance. Long Windows boast exceptional energy efficiency, with R values as high as 7.1 and U factors as low as .14.

Replacement window options

When you choose Long Windows for your window replacement project in Rockville, you’ll be sure to find options that complement your home and suit your taste. Our windows come in a variety of frame colors and have a number of decorative options available. Plus, you can choose from a multitude of popular frame styles, including:

Choosing Long Windows means more than just receiving quality products – it also means having your windows professionally installed by our team of skilled experts. We’ll ensure your window replacement project is completed quickly and properly, and we’ll do so while providing you with the Red Carpet Treatment.

For more information about the window replacement services we provide for homeowners in Rockville, MD, please contact us today. We’ll be happy to schedule a free, in-home consultation for you.

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.

*Subject to credit approval. Interest is billed during the promotional period but all interest is waived if the purchase amount is paid in full within 12 months. There are no required minimum monthly payments during the promotional period.  Financing for GreenSky® consumer loan programs is provided by federally insured, equal opportunity lender banks. NMLS #1416362