Top Brands for Reliable Water Heaters You'll Love

When it comes to choosing a water heater, finding a reliable and efficient brand is crucial for ensuring long-lasting performance and energy savings. The market offers a myriad of options, each promising unique features and cutting-edge technology tailored to meet diverse needs. From tankless models boasting endless hot water supply to traditional storage tank systems, selecting the right brand can make a significant difference in convenience and utility costs. To help you make an informed decision, explore our curated list of the best brands for water heaters below.

Illustration of water heater

Best brands of water heater in 2025

Rheem

Rheem, established in 1925, is a well-known manufacturer of high-quality and innovative water heaters, offering various series like Classic, Performance, and Marathon, with the Marathon series featuring a fiberglass tank to prevent corrosion. Together with AO Smith, Rheem accounted for over 70 percent of residential water heater shipments in the U.S. in 2021. Additionally, Rheem holds a 4.8% market share in the U.S. water heater manufacturing industry, providing both tank and tankless models, with some featuring smart technology like WiFi connectivity.

AO Smith

A.O. Smith, a leading water heater manufacturer since the late 1800s, holds a significant market share, estimated at 48.3% in the water heater manufacturing industry, and is recognized for producing reliable and durable products with high-quality components such as glass-coated heating elements and stainless-steel tanks. The company offers a wide selection of models including gas, electric, and tankless options, and has been named India's Most Trusted Water Heater Brand multiple times. The brand is also known for its innovative technologies such as Permaglas tank lining and the DynaClean sediment reduction system. You can explore their product range for more options.

Bosch

Bosch, a leading brand in the industry, has been producing high-quality water heaters for over 130 years, holding a significant market share of approximately 20% globally; their innovative technology, like their tankless models, boasts energy efficiency ratings that can save users up to 30% on energy bills; Furthermore, Bosch water heaters are known for their durability, reliability and have been rated highly by consumers, consistently achieving over 4.5 out of 5 stars in user reviews; Whether you need a compact point-of-use heater or a high-capacity tank for a large family, Bosch offers a wide selection to meet diverse hot water demands, and have models available for all types of fuel sources.

Bradford White

Bradford White, an American-owned company founded in 1881, is a leading manufacturer of water heaters, holding an estimated 14.4% of the US market share, and is known for producing durable units that typically last 10 to 15 years, with some models reaching 20 years with proper maintenance; their product line includes both high-efficiency and Energy Star certified models, and they have recently expanded into tankless options, including the KwickShot electric series, while also focusing on commercial and industrial applications with their Brute XTR boilers; they are committed to energy efficiency, demonstrated by their numerous ENERGY STAR certifications and initiatives.

Rinnai

Rinnai, established in 1920, stands out as a leading manufacturer of tankless water heaters, capturing over 20% of the North American market share and is known for innovative technology and energy-efficient designs, with some models achieving up to 96% thermal efficiency, making them a top choice for homeowners seeking reliable hot water solutions.

Navien

Navien, established in 1978, is a leading manufacturer of high-efficiency water heaters, holding a significant market share of about 20% in North America and consistently achieving over 90% customer satisfaction ratings; their innovative tankless models, often with energy factor ratings above 0.95, offer substantial energy savings, and they are renowned for their durable, long-lasting products that come with impressive warranty periods of up to 15 years on heat exchangers.

Stiebel Eltron

With over 95 years of experience since its founding in 1924, Stiebel Eltron is recognized as a leading German manufacturer of water heaters, holding a significant market share of over 20% in Europe and known for their energy-efficient designs that can reduce energy consumption by up to 60%, offering various models including electric and heat pump options. Check out their reliable and innovative products.

Noritz

Noritz, a Japan-based company established in 1951, is a leading global manufacturer of high-quality tankless water heaters, recognized for their reliability and durability. The company holds a significant market share in Japan for small and medium-sized businesses and is experiencing a growing presence in North America, where tankless water heaters are becoming more popular due to their energy efficiency and environmental benefits. These heaters utilize condensing technology to reduce energy consumption, potentially saving homeowners up to $600 annually on hot water costs.

American Standard

American Standard has been a leading manufacturer of reliable water heaters since 1929, offering a wide range of models including high-efficiency gas and electric options with some achieving over 90% thermal efficiency, which helps reduce energy consumption. Their commitment to innovation and quality has earned them a solid reputation with 9 out of 10 customers recommending their products. American Standard water heaters are known for their durability, often lasting 10 years or more with proper maintenance and regular check-ups.

Ecosmart

EcoSmart, founded in 2008 and now part of the Rheem family, is a leading brand in tankless electric water heaters, offering models ranging from 3.5 to 36 kilowatts that can reduce energy costs up to 50% due to their on-demand heating, and are known for their compact design and digital temperature control, with some models capable of heating over 2.5 GPM for multiple fixtures; customers can find various models suitable for whole-house or point-of-use applications.