🚨 LIMITED TIME OFFER: ZERO Down, ZERO Interest for 72 MONTHS! Click here to learn more. 🚨
    6800 Fairgrounds Parkway. San Antonio, TX 78238
    (210) 796-9574
    Mon to Fri: 9am to 5pm
    Window and door replacement logo for The Window Source of San Antonio, emphasizing energy-efficient home upgrades and flexible financing options.
    Back to Home
    Peace of Mind Guaranteed

    Double Lifetime Warranty

    The Most Comprehensive Window Warranty in San AntonioOur Double Lifetime Warranty is designed to give homeowners in San Antonio and surrounding areas complete confidence in their window replacement investment. Unlike standard window warranties that are limited, prorated, or filled with fine print, our warranty is built to be simple, transparent, and truly comprehensive. It covers your windows for as long as you own your home and is fully transferable to the next homeowner, increasing resale value and making your home more attractive to buyers.

    Schedule Your Free Home Assessment

    Double Lifetime Warranty comparison chart highlighting comprehensive coverage, including lifetime and transferable benefits, installation, and protection against common issues, emphasizing superior terms over typical competitor warranties.

    No Proration. No Fine Print. No Hidden Costs.

    Many window companies advertise “lifetime warranties” that lose value over time or exclude key components. Our warranty is different. There is no prorated coverage, meaning your protection does not decrease as the years go on. There are no hidden service fees, and no exclusions that leave you stuck paying for repairs. What’s covered on day one is covered for the life of your ownership.

    Built for Texas Homes & Harsh Climate Conditions

    Windows in San Antonio face extreme heat, intense UV exposure, and constant expansion and contraction. Our warranty is designed specifically with Texas conditions in mind, protecting against long-term wear that many standard warranties fail to address. From frame durability to seal performance, your windows are backed to withstand the environment they’re installed in.

    Backed by In-House Installation—Not Subcontractors

    A warranty is only as strong as the company behind it. That’s why we use our own in-house, master-certified installation teams. We don’t rely on subcontractors, which means we maintain complete control over quality and can stand behind both the product and the workmanship long-term. If you ever need service, you’re dealing directly with us—not a third party.

    Simple, Hassle-Free Warranty Service

    If you ever need to use your warranty, the process is quick and easy. One call connects you directly with our team, and we handle everything from start to finish. No runaround, no dealing with manufacturers, and no unexpected costs—just fast, reliable service from a local San Antonio company you can trust.

    Transferable Warranty = Added Home Value

    Our fully transferable warranty gives you a major advantage if you decide to sell your home. Buyers gain peace of mind knowing the windows are protected, which can help your home stand out in the San Antonio market and potentially increase resale value.

    GET STARTED TODAY

    Ready for Better Windows?

    Request Your Free Quote