The Window Source of the Tri-Cities

3036 Highway 75 Kingsport, TN 37663

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    We respect your time.

    We’ll measure your window openings and provide your free estimate in under an hour. Our reasonable prices are guaranteed in writing to be the best.  We will contact you within 24 hours to set a convenient appointment time.

    Reasons to Buy From The Window Source:

    • Easy sales process – reasonable non-negotiable prices are disclosed up front.
    • Guaranteed lowest prices in writing for high quality products and services.
    • Strongest guarantees in the industry.
    • All windows with LowE glass option are Energy Star qualified for your climate.
    • All Window Source locations are locally owned and operated to provide prompt & reliable service.
    • All products are custom made to fit your home exactly.
    • Public liability insurance coverage is carried to protect you while we’re working on your property.
    • We specialize in replacement windows.
    • Only skilled factory trained installers work on your installation.

    Window Installation Estimate in Tri-Cities

    See What Our Customers Are Saying About Us

    “I love my new windows! The whole experience from placing the order to installation has been great. The windows are very well made and was exactly what I wanted. It is nice to deal with people who are honest, hard working, and stand behind their products. Great job guys!”

    Sandra Waldon; Blountville TN

    “From the professionalism of Duane, the owner, to the perfection of the window installer – Joe-it has been an all around wonderful experience. The windows are gorgeous! My custom entry door is beyond what I could have imagined.”

    Shelly Good; Johnson City TN

    “The BEST team I have ever worked with! 5 STARS!”

    Susan Smith; Johnson City, TN

    “Provided us with great quality windows for our church parsonage. Very quick in order process and installation.”

    Ruthie Williams; Flag Pond, TN

    “Went above and beyond.  Love our new windows.  Couldn’t be more pleased.”

    MW; Kingsport, TN