• A. O. Smith ProLine®

    The A. O. Smith ProLine® family of gas water heaters offers a wide range of innovative water heaters designed to cover your needs—regardless of your lifestyle or where you live.

    ProLine® Gas Water Heaters

    A. O. Smith ProLine® gas water heaters offer a wide range of water heating solutions, ideal for families with a high demand for hot water.

    ProLine® Master Gas Water Heaters

    With their innovative design and commercial-grade components, our ProLine® Master gas water heaters are built for strong, long-lasting performance.

    ProLine® XE Gas Water Heaters

    Built with the highest quality components, our ProLine® XE gas water heaters deliver an industry-leading combination of design and innovation. Most ProLine® XE models are also ENERGY STAR qualified.