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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 Manassas, VA

Expert installation for house windows

Are you in need of high-quality house windows and professional installation service you can trust in Manassas, Virginia? If so, look no further than Long Windows. Our expertly crafted vinyl windows are known throughout the area for their durability and thermal performance, boasting strong vinyl frames, double-strength glass, and innovative insulating technologies. Long Windows are among the most energy-efficient windows on the market today; with R values as high as 7.1 and U factors as low as .14, they’ll help keep your home’s temperature comfortable and consistent all year long.

Choosing Long Windows means more than just securing top-notch house windows for your Manassas residence, however – it also means receiving professional service from our team throughout the entire process. You can count on us for:

If you’d like to schedule a consultation at your Manassas, VA, home to learn more about our house windows and installation team, 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