Who makes a better hot water tank, Rheem or AO Smith?

Determining whether Rheem or A.O. Smith manufactures a better hot water tank is difficult because both companies represent the absolute pinnacle of the residential and commercial plumbing industry, offering exceptional build quality and reliability. A.O. Smith is frequently praised by professional plumbers for its robust, commercial-grade steel construction, thick glass-lined tank interiors, and exceptional performance across professional supply-house lines. Rheem is widely celebrated for its innovative digital control panels, smart-home integration through EcoNet technology, and widespread retail availability. Ultimately, both brands produce phenomenal tanks, meaning the right choice often depends on whether you are purchasing a retail model or a professional contractor-grade series.