Choosing the right hot water heater brand can significantly impact the efficiency and reliability of your home’s hot water supply. In today's market, numerous brands excel in providing high-performance and energy-efficient water heaters that cater to diverse needs and preferences. From innovations in tankless models to advancements in smart technology, the top brands have consistently improved their offerings to ensure optimal customer satisfaction. To help you make an informed decision, we have compiled a list of some of the best hot water heater brands available today. Discover our top picks below.
Illustration of hot water heater
Best brands of hot water heater in 2025
Rheem
Rheem Manufacturing Company is a leading global producer of residential and commercial water heaters, renowned for its innovative and efficient products. Founded in 1925 by Richard and Donald Rheem, the company has expanded its product line to include tank and tankless water heaters, with the hybrid electric water heater being four times more efficient than standard electric tanks. Rheem is the largest manufacturer of water heating products in North America and is committed to sustainability, aiming to reduce greenhouse gas emissions by 50% and achieve zero waste in its global manufacturing operations by 2025. Their products, such as the Rheem Prestige series, offer high water delivery and low energy costs, with features like mobile device control and advanced energy efficiency. Rheem's commitment to engineering solutions with lifetime sustainability in mind has made it a trusted brand in the industry. For more important facts about Rheem products, you can explore further details online.
AO Smith
A. O. Smith is a leading manufacturer of residential and commercial water heating technologies, known for its high-quality and innovative products. In 2023, the company reported record sales of $3.9 billion, a 3% increase driven by higher water heater volumes, and achieved record net earnings of $556.6 million with an EPS of $3.69. A. O. Smith's ProLine(r) family offers a range of solutions, including dependable hot water for every home and premium, high-efficiency technologies like heat pump and tankless models. The company has been recognized for its excellence, such as being named one of the 2024-2025 Best Companies to Work for in Manufacturing by U.S. News & World Report. A. O. Smith's products are renowned for their durability and customer support, making them a top choice among plumbers and consumers alike.
Bradford White
Bradford White is renowned as one of the best producers of hot water heaters, with a history spanning over 135 years. The company offers a wide range of products, including tankless and tank models, such as those in their Infiniti Series, which guarantee efficiency and come with extensive limited warranties. Bradford White's water heaters are highly efficient, with over 60 ENERGY STAR rated models available, helping homeowners save on energy costs. The company also incorporates advanced technologies like Microban(r) antimicrobial technology and the Defender Safety System to ensure safe and reliable operation. Additionally, their Eco-Defender Ultra Low NOx water heaters emit 75 percent less NOx emissions than standard models, contributing to environmental protection. For more details, visit their water heaters section on Bradford White's product page.
Bosch
Bosch is a leading brand in the hot water heater market, known for its superior quality and innovative products. In 2023, Bosch posted an all-time high revenue of 91.6 billion euros, with its consumer products category, which includes home appliances, generating 15% of the company's total revenue. Bosch's industrial technology division, which accounts for roughly 25% of overall revenue, saw encouraging performance and is anticipated to expand by 5% in 2024. The company's products, such as domestic hot water cylinders, offer excellent convenience, hygiene, and compact designs, making them a preferred choice for various applications. Bosch's commitment to energy efficiency and smart home technologies further enhances its market position.
Rinnai
Rinnai is a leading brand in the tankless water heater market, known for its 100-year commitment to quality and innovation. With a significant market share, Rinnai America is driving the expansion of the tankless water heater market, anticipating a growth similar to Australia where the tankless ratio has increased to 30%. Rinnai's tankless water heaters are renowned for their efficiency, lasting twice as long as traditional tanks, and offering industry-leading warranties. The company has 29 global branches, over 10,000 consolidated employees, and net sales exceeding $2.5 billion. Rinnai's products, such as the SENSEI RX Series, feature high efficiency up to 0.98 UEF, contributing to the market's growth at a CAGR of 8.5% from 2024 to 2031. For more information about their innovative water heating solutions, visit their official website.
Navien
Navien is renowned as one of the best producers of hot water heaters, known for their reliability, high-quality, and energy efficiency. Founded in 1978 in Seoul, South Korea, Navien has expanded globally, becoming the largest condensing gas water heater manufacturer in North America since 2006. Their tankless water heaters offer a 15-year warranty on the heat exchanger, an efficiency rating of up to 0.97EF, and both LEED and Energy Star certifications, ensuring longer lifespans and lower energy consumption. With proper maintenance, Navien tankless water heaters can last over 25 years, significantly outlasting competitors. They also feature advanced technology such as the EZNav™ control panel and a self-cleaning mechanism to prevent mineral deposits. For more information, explore their Navien tankless water heaters.
Takagi
Takagi, a renowned brand in the tankless water heater market, has been delivering innovative hot water solutions for over 70 years. Known for their high efficiency, Takagi tankless water heaters can save consumers up to 34% more energy compared to traditional storage tank models. With a strong presence in the global market, Takagi is among the key players driving the industry's growth, expected to reach a market value of $9.5 billion by 2034. Their products are highly regarded for their durability and ability to provide endless hot water, making them a preferred choice for both residential and commercial applications. Takagi's commitment to energy efficiency aligns with increasing consumer concerns over sustainable energy use.
American Standard
American Standard is a trusted brand in the water heater market, known for its reliable and energy-efficient gas and electric water heaters. The company offers a comprehensive line of products, including hybrid heat pump water heaters, which are gaining traction due to their compactness and energy-saving capabilities. American Standard's water heaters are preferred for their thicker gauge glass-lined tanks and up to 12-year warranties, ensuring durability and customer satisfaction. The brand is part of a market that is expected to grow significantly, with the U.S. water heater market projected to reach USD 5.08 billion by 2029, growing at a CAGR of 6.67% from 2023 to 2029. American Standard's commitment to innovation and customer service makes it a key player in the industry. For more information, visit their official website.
EcoSmart
EcoSmart, a leading brand in the water heater market, is renowned for its innovative and energy-efficient tankless water heaters. Founded in 2008 in Miami, Florida, EcoSmart was acquired by Rheem Manufacturing Company in 2016, further enhancing its product line. Their tankless water heaters can save homeowners up to 50% on their energy bills and produce lower greenhouse gas emissions. The EcoSmart Element series, for example, offers models with flow rates ranging from 1.2 to 6.6 gallons per minute and are backed by a five-year warranty for leaks and a one-year warranty for parts. These heaters incorporate advanced technologies such as self-modulating technology, digital temperature control, and efficient heat exchangers.
Stiebel Eltron
Stiebel Eltron is a renowned leader in the development and manufacture of tankless water heaters, boasting a century of innovation since its founding in 1924. The company has seen significant growth, with sales surging 18% in the 2020-2021 financial year and more than tripling its heat pump sales over the last five years. Stiebel Eltron exceeded a turnover of EUR1 billion for the first time in 2022, driven largely by the enormous growth in heat pump sales. The company employs around 5,400 people worldwide and is known for its energy-efficient and climate-friendly heating systems. Stiebel Eltron continues to invest in its production, planning to double its heat pump production capacities by 2026 with an investment of around EUR120 million.
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