Best Water Heaters Brands

A. O. Smith is an industry leader offering a complete range of residential and commercial water heaters including tank, tankless, heat pump, and solar models. Their Vertex line achieves up to 96% thermal efficiency, and the Cyclone series is a commercial workhorse. ProLine and Signature series cover standard residential needs with strong warranty support.

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Bosch offers a full range of water heating solutions including gas and electric tankless models, hybrid electric heat pump water heaters, point-of-use mini-tanks, and indirect storage tanks. Their Greentherm series of condensing tankless units achieves up to 97% thermal efficiency with ultra-low NOx emissions. Tronic series covers electric tankless and small storage needs.

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Bradford White manufactures a full line of gas, electric, tankless, heat pump, and solar water heaters for residential and commercial applications. Their Defender Safety System prevents accidental ignition of flammable vapors, the Hydrojet Total Performance System reduces sediment buildup for longer tank life, and their Vitraglas enamel lining protects against corrosion. Also offers the AeroTherm Series heat pump water heater and the Brute commercial line.

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EcoSmart electric tankless water heaters feature patented self-modulating technology that adjusts energy usage based on water flow and inlet temperature. Models range from single-point-of-use units (ECO 8/11) to whole-house systems (ECO 27/36). Their compact design saves space and their endless hot water supply eliminates the standby energy losses of traditional tank heaters.

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Eemax manufactures electric tankless water heaters across residential, commercial, and industrial lines. Their HomeAdvantage series serves whole-house residential needs, the AccuMix series integrates thermostatic mixing for safety-critical applications, and their commercial SafeAdvantage line is designed for high-demand environments like restaurants and healthcare facilities.

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Eternal manufactures hybrid condensing water heaters that pair a high-efficiency condensing burner with a small stainless steel buffer tank. This hybrid approach delivers instant hot water, eliminates cold-water sandwich, and achieves up to 0.96 UEF efficiency. Models are available in natural gas and propane configurations for residential and light commercial use.

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GE-branded water heaters (manufactured by Rheem) include tank-style gas and electric models, hybrid heat pump water heaters, and tankless units. Available exclusively through Home Depot, they offer strong warranty coverage and wide parts availability.

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Giant manufactures a full line of residential and commercial water heaters including electric tank, gas tank, tankless, heat pump, indirect-fired, oil-fired, and solar-compatible models. Their products are engineered for Canadian cold-climate conditions with high first-hour ratings, advanced insulation, and CSA-certified energy efficiency.

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Honeywell gas control valves and thermostats are the OEM standard in the majority of residential gas water heaters sold in North America. Their electronic ignition controls, gas valves, and thermocouple assemblies are essential replacement parts for water heater maintenance and repair.

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HTP manufactures high-efficiency condensing and near-condensing water heaters, combination boiler/water heaters, and indirect-fired water heaters. Their stainless steel heat exchangers provide exceptional corrosion resistance and longevity. Key products include the Elite Ultra (up to 96% thermal efficiency), Versa-Hydro combi unit, and SuperStor indirect tanks.

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Intellihot manufactures smart tankless water heaters for commercial, multi-family, and residential applications. Their Neuron series features multiple independent heat exchangers that fire sequentially based on demand, IoT connectivity for remote monitoring and diagnostics, and cascade-capable designs that link multiple units for virtually unlimited hot water capacity.

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Kenmore-branded water heaters (manufactured by various OEMs) include electric and gas tank models, as well as tankless and hybrid heat pump options for residential use.

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Lochinvar manufactures high-efficiency condensing and non-condensing water heaters, boilers, and pool heaters for residential and commercial applications. Their KNIGHT and CREST condensing boilers achieve up to 96% thermal efficiency. The ARMOR commercial water heater line and EnergyRite pool heaters round out the portfolio. All products feature SMART SYSTEM controls with CON-X-US remote monitoring.

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Navien manufactures condensing tankless water heaters, combi-boilers, and condensing boilers for residential and commercial applications. The NPE-2 series tankless units feature ComfortFlow with built-in recirculation pump and buffer tank for instant hot water. The NCB-E combi-boiler provides both domestic hot water and hydronic space heating. NaviLink WiFi enables remote monitoring and diagnostics via smartphone. All units feature dual stainless steel heat exchangers.

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Noritz manufactures condensing and non-condensing tankless water heaters for residential and commercial applications. The EZ Series features ComfortCore heat exchanger technology and simplified installation with integrated controls. The CB Combi-Boiler provides both domestic hot water and space heating. Commercial models handle high-demand applications for restaurants, hotels, and multi-family buildings.

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Paloma manufactures gas tankless water heaters sold primarily under the Rheem brand in North America. Legacy Paloma-branded units may still be found in existing installations. Paloma is the parent company of Rheem Manufacturing.

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Reliance manufactures gas and electric tank water heaters and tankless water heaters for residential applications. Their product line includes standard and high-efficiency models in 30-80 gallon capacities with self-cleaning dip tube technology. Positioned as A.O. Smith's value brand for budget-conscious homeowners.

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Rheem manufactures a complete range of residential and commercial water heaters including gas and electric tank models, tankless condensing and non-condensing units, ProTerra hybrid heat pump water heaters, solar water heaters, and commercial high-volume systems. The Performance series is available at Home Depot, while the Professional/Prestige series is sold through plumbing contractors. EcoNet smart connectivity enables WiFi monitoring and control.

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Richmond manufactures gas and electric tank water heaters and tankless water heaters for residential use. Built on Rheem's manufacturing platform, Richmond models provide reliable performance at value pricing through select retail distribution.

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Rinnai manufactures condensing and non-condensing tankless water heaters, condensing boilers, and hybrid tank-tankless systems. The Sensei RU series delivers up to 0.96 UEF with ThermaCirc360 built-in recirculation for instant hot water. The RSC condensing boiler and RE hybrid tank-tankless provide additional options. Wi-Fi module enables remote monitoring via the Rinnai app. Commercial models support cascading for high-demand applications.

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Ruud manufactures gas and electric tank water heaters, tankless water heaters, and hybrid heat pump water heaters for residential and commercial applications. Sold exclusively through wholesale distribution to professional contractors. Products share Rheem's engineering platform with contractor-focused features and support.

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State manufactures gas and electric tank water heaters, tankless water heaters, and hybrid heat pump models for residential and commercial applications. The Select series offers reliable standard models while the ProLine series provides enhanced features for professional contractors.

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Stiebel Eltron manufactures whole-house electric tankless water heaters, point-of-use mini-tank and tankless units, and heat pump water heaters. The Tempra Plus series features Advanced Flow Control for consistent temperature. Their Accelera heat pump water heater is among the most efficient available.

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Takagi manufactures condensing and non-condensing tankless water heaters for residential and commercial applications. The T-H3 and T-H3S are their flagship condensing models with up to 0.95 UEF. Commercial models support cascading for high-demand installations.

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Whirlpool gas and electric tank water heaters for residential use, available at major home improvement retailers.

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Featured Brands

AO Smith

Bosch

Bradford White

Ecosmart

Eemax

Eternal

GE

Giant

Honeywell

HTP

Intellihot

Kenmore

Lochinvar

Navien

Noritz

Paloma

Reliance

Rheem

Richmond

Rinnai

Ruud

State

Stiebel Eltron

Takagi

Whirlpool

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