10 Best 50 Gallon Electric Water Heater of December 2025

• External digital thermostatic control with LED display (+/1 degree accuracy)
• Most advanced self-modulation, adjust power to meet hot water demand
• Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
• Simple installation – bottom 3/4 inch NPT water connections
• Threaded for easy replacement, simple installation, digital temperature display

Rheem

• Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT
• Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM
• Copper and stainless components designed for efficiency, durability and easy replacement.
• Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
• Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.Amperage Draw:113 A
• Required Breaker Quantity: Three 40 Amp Double Pole
• Recommended Electrical Panel: 200 Amps
• NEVER run out of hot water with an ECOSMART tankless water heater.
• Save up to 12 cubic feet of storage space.
• Digital temperature control in 1-degree increments gives users complete control of hot water

Ecosmart

• Efficiency: 0.90-0.94 EF
• Recovery rate: 20-Gallon GPH at a 90-Degree rise
• Thermally fused upper element provides protection against dry-firing
• Full-flow, brass drain valve
• Standard replacement parts

Rheem

• Includes 4500 watt elements
• Non-simultaneous
• Protective magnesium anode rod - provides added protection against corrosion for long trouble-free service
• Country of Origin: United States

Bradford White

• Permaglas glass coating protects steel tank from corrosion and maximizes tank life
• Dynaclean diffuser dip tube helps reduce lime and sediment buildup while maximizing hot water output; made from long-lasting PEX cross-linked polymer
• CoreGard anode rode aluminum anode with stainless steel core protects tank against corrosion longer than ordinary steel anodes
• Durable, tamper-resistant brass drain valve
• Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)

A. O. Smith

• Lifetime warranty
• Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
• Never run out of hot water with an ECOSMART tankless water heater
• Patented Self Modulating Technology and design
• ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98

Ecosmart

• External digital thermostatic control with LED display (+/1 degree accuracy)
• Most advanced self-modulation, adjust power to meet hot water demand
• Durable Copper immersion three heating elements, field Serviceable
• Simple installation – bottom 3/4 inch NPT water connections.Threaded for easy replacement, simple installation, digital temperature display
• Flow Rate: up to 5.9 GPM

Rheem

• External adjustable digital thermostatic control with LED display (+/1 degree accuracy
• Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
• Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
• 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
• Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
• 54 A

Rheem

• Includes 4500 watt elements
• Non-simultaneous
• Protective magnesium anode rod - provides added protection against corrosion for long trouble-free service
• Package Dimensions: 23.0" L x 23.0" W x 61.0" H

Bradford White

• CONTINUOUS FLOW – Advanced Flow Control German patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again.
• SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically measure water flow. Savings monitor even shows how much you save on energy costs.
• EASY OPERATION – Electronic flow sensor switches on the powerful solid copper interior heating system of the water heater. It’s noise free while in use and has a digital temperature display and preset temperature memory buttons.
• TEMPRA 24 PLUS – This specific model is 24kW, 240V/208V, requires a min. recommended household electric service of 150 A, and offers an output water temperature of 86˚ to 140˚F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels.
• WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase.

Stiebel Eltron