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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 Herndon, VA

The only replacement windows you need for your Herndon, VA home are at Long Windows.

Long Windows testimonials

When you need new home windows for your residence in Herndon, VA, choose Long Windows®.

Our expertly crafted windows boast strong vinyl frames and welded corners for impressive durability, so you won’t have to worry about replacing your home windows again in the future.

In fact, for additional peace of mind, we stand behind them with a limited lifetime warranty.

Long Windows® is your exclusive provider of Quantum2 Heat Mirror® windows for the Washington, D.C. region. The Quantum2 Heat Mirror window was scientifically developed with lightweight, suspended film technology to block 99.7 percent of UV light, reduce outside noise and insulates with the same strength as a wall! Learn more now.

Quantum2 Heat Mirror windows are quieter than double-pane glass, reduce window condensation and maximize natural light. That’s a level of performance above and beyond the typical triple-pane window.

Long Windows provide you with superior thermal performance, featuring R values of 5.6 to 7.1 and low U factors of .14, which will help keep the interior of your house at a comfortable temperature all year long.

Long Windows: Complete customer satisfaction for our friends in Herndon, VA.

When we install your new home windows, we will:

We’ll also explain all of the aesthetic options that will be available for your new home windows. You can choose from a variety of frame colors and wood grain options, as well as select from a number of popular frame styles, including double hung, casement, picture, bay, bow, garden, and many others.

If you’d like more information about our home windows available in Herndon, VA, please contact us today.

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