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Is A. O. Smith a good brand of water heaters?

Asked by Anonymous Oct 03, 2026 5 views 1 answers
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Answered Oct 06, 2026
Yes, A. O. Smith is considered an excellent brand of water heaters and is one of the largest and oldest water heater manufacturers in the world, with over 140 years in business. It is highly regarded by both professional plumbers and homeowners for quality, innovation, and durability. A. O. Smith manufactures a full range of residential and commercial water heaters including gas and electric tank models, tankless on-demand models, heat pump hybrid models like the Voltex series, and commercial boiler systems. The company owns several other well-known brands including State Water Heaters, American Water Heaters, Lochinvar, and Takagi, which speaks to its market dominance. Build quality is strong, with glass-lined steel tanks, commercial-grade anode rods on premium models, and brass drain valves. Their Signature and ProLine series offer 6, 9, and 12-year warranty options, and their tankless models offer up to 12-year heat exchanger warranties. Energy efficiency is a strength, with many Energy Star certified models. Plumbers like A. O. Smith because parts are widely available and technical support is solid. While no brand is immune to occasional defects, A. O. Smith's warranty fulfillment and customer service are generally rated well. For most homes, A. O. Smith represents a reliable long-term investment.
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