Best Electric Water Heaters of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 3, 2025

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Electric water heaters are a popular choice for homeowners who want a reliable, efficient way to heat their water. These appliances use electricity to heat water in a tank, which can then be used for showers, washing dishes, and other household tasks. Electric water heaters come in a range of sizes and styles, from small tanks that are perfect for apartments or single-person households to larger tanks that can provide hot water for larger families. With their ease of use and low maintenance requirements, electric water heaters are a great option for anyone looking for a dependable way to heat their water.

At a Glance: Our Top Picks

EcoSmart ECO 11 Electric Tankless Water Heater Cover #TOP 1
EcoSmart ECO 11 Electric Tankless Water Heater
ftb score rating icon 9.8
Bosch Electric Mini-Tank Water Heater Cover #TOP 2
Bosch Electric Mini-Tank Water Heater
ftb score rating icon 9.7
Ranein 14kW Tankless Water Heater Cover #TOP 3
Ranein 14kW Tankless Water Heater
ftb score rating icon 9.5

Top 10 Electric Water Heaters

EcoSmart ECO 11 Electric Tankless Water Heater

ECO 11
White
12 x 8 x 4
EcoSmart ECO 11 Electric Tankless Water Heater Cover
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

The EcoSmart ECO 11 Electric Tankless Water Heater provides endless on-demand hot water, saves space, and saves energy. Its compact size allows it to be installed on the wall or at the point of use, and it is 90% smaller than traditional tank heaters. The tankless electric water heater is 99% thermal energy efficient, and only heats water when called, unlike tank heaters that maintain water temperature. It is ideal for low-flow applications like a bathroom or small sink, providing between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature.

What We Like
Provides endless hot water on demand
Compact size saves space
99% thermal energy efficiency saves energy

Bosch Electric Mini-Tank Water Heater

White
4 Gallon
Bosch Electric Mini-Tank Water Heater Cover
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

The Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) is a convenient and efficient solution to provide hot water where you need it. With a thermal efficiency of 98%, it has a fast recovery rate that eliminates long waits for hot water at your sink. The electric water heater has premium glass-lined material for a long service life and can be easily mounted on the shelf, wall, or floor. It supplies up to 2 sinks at a time and has independent installation, which means it can be plugged into a 120-volt outlet or in-line with a large hot water source.

What We Like
Provides almost instant hot water
Easy to install and use
Energy-efficient
Suitable for sinks, washing machines, and other appliances
Can be mounted on a shelf, wall or floor
#TOP 3

Ranein 14kW Tankless Water Heater

Ranein
RE14K (14kW)
Black
Ranein 14kW Tankless Water Heater Cover
Ranein 14kW Tankless Electric Water Heater,on Demand Instant Endless Water Heater with LED Temperature Display for Whole House Shower

The Ranein Tankless Water Heater offers a powerful solution for your hot water needs. With its 14 kW output, it provides instant hot water without the wait, making it perfect for busy households. You can save on energy costs since it only heats water on demand, avoiding the energy waste associated with traditional tanks. The simple knob controls and LED display allow you to easily set your desired temperature, ensuring a comfortable shower every time. Plus, safety features like leakage protection and automatic shutdown give you peace of mind during use.

What We Like
Energy-efficient operation
Instant hot water supply
Easy temperature control
Safety features included

Rheem 18kW Tankless Electric Water Heater

RTEX-18
Gray
Small
Rheem 18kW Tankless Electric Water Heater Cover
Rheem 18kW 240V Tankless Electric Water Heater, Gray

The Rheem Tankless Water Heater is a durable and efficient option for your hot water needs. With an external digital thermostatic control and LED display, you can easily adjust the temperature with +/-1 degree accuracy. The most advanced self-modulation feature adjusts the power to meet your hot water demand, ensuring that you always have hot water when you need it. The two copper immersion heating elements are field serviceable and provide a flow rate of up to 4.4 GPM. Installation is easy with the bottom 3/4 inch NPT water connections, and the threaded design allows for simple replacement. With the digital temperature display, you can easily monitor the temperature of your water.

What We Like
Easy to install
Space-saving
User-friendly
100% copper inside piping
Maximum temperature of 140°F
#TOP 5

Kweetle Under Sink Instant Water Heater

Kweetle
KT-1
‎Gray
Kweetle Under Sink Instant Water Heater Cover
Under Sink Instant Water Heater, 2.5 Gallons Mini Tankless Hot Water Heater Digital Display 110V 1500W, Water Heater Electric With Pressure Release Vavle Under For Bathroom Kitchen Hair Salon RV

The Kweetle Instant Water Heater offers a convenient solution for your hot water needs. With its upgraded digital display, you can easily adjust the temperature between 86°F and 149°F, ensuring you have the perfect heat for any task. This heater heats water rapidly thanks to its powerful 1500W element, providing hot water in just 6 minutes, which is ideal for busy kitchens or bathrooms. Safety is prioritized with a durable stainless steel design and built-in high-temperature protection, giving you peace of mind. Plus, its efficient insulation minimizes energy waste, making it both eco-friendly and cost-effective.

What We Like
Fast heating in 6 minutes
Digital temperature control
Durable stainless steel construction
High energy efficiency
#TOP 6

Rheem RTEX-24 Electric Tankless Water Heater

RTEX-24
Gray
Rheem RTEX-24 Electric Tankless Water Heater Cover
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

The Rheem RTEX-24 Electric Tankless Water Heater offers on-demand, consistent, and continuous hot water whenever you need it. Its self-modulating power control adjusts energy usage based on hot water needs, making it more energy-efficient than traditional tank water heaters. With an adjustable digital temperature display and an ON/OFF dial control, you can easily set your desired temperature. The 24kW model has a flow rate of up to 5.9 GPM, which is perfect for most households. Additionally, the bottom 3/4" NPT water connections make installation a breeze.

What We Like
Energy-efficient due to self-modulating power control.
Adjustable digital temperature display and ON/OFF dial control for easy temperature setting.
High flow rate of up to 5.9 GPM for the 24kW model, perfect for most households.
Easy installation with bottom 3/4" NPT water connections.
Provides on-demand, consistent, and continuous hot water.
#TOP 7

Rheem 11kW Tankless Electric Water Heater

RTEX-11
Gray
Rheem 11kW Tankless Electric Water Heater Cover
Rheem 11kW 240V Tankless Electric Water Heater

The Rheem 11kW Tankless Electric Water Heater offers an ON/OFF Dial Control with adjustable digital temperature display, Self-modulating power control, and 11kW Model Flow Rate: up to 2.68 GPM. The side 1/2" NPT water connections provide convenience for installation. This water heater provides on demand, consistent and continuous hot water, allowing you to enjoy hot water whenever you need it. The heater is also compact and easy to install in any home.

What We Like
Provides on demand, consistent and continuous hot water
Compact size and easy installation
Self-modulating power control for energy efficiency
#TOP 8

Generic 3000W Tankless Water Heater

Generic
XY-FC
White
Generic 3000W Tankless Water Heater Cover
Generic Tankless Water Heater Electric, Instant Hot Water Heater Under Sink, 3000W 110V On Demand Mini Water Heater for RV Kitchen Bathroom, White

The Generic Mini Water Heater is designed to provide instant hot water whenever you need it. With its powerful 3000W capacity, it can quickly raise water temperature by up to 45°F, making it perfect for various applications in small spaces like kitchens and bathrooms. You can easily adjust the water flow to achieve your desired temperature. Safety features such as dry burning and overheating protection ensure peace of mind during use. Additionally, the automatic standby mode guarantees you have hot water ready whenever you need it, offering convenience for your daily tasks.

What We Like
Instant hot water
Adjustable temperature settings
Safety features included
Compact design
Easy installation
#TOP 9

FOGATTI Electric Mini Tank Water Heater

FDES-ET80G
Gray
8 Gallon
FOGATTI Electric Mini Tank Water Heater Cover
FOGATTI Electric Tank Water Heater, 8.0 Gallon Point of Use Instant Hot Water Heater 120V 1440W, Wall or Floor Mounted, Easy to Install

Introducing the FOGATTI Mini Tank Water Heater, a compact and efficient solution for all your hot water needs. This electric water heater operates with a powerful 1440W heating element, ensuring instant hot water whenever you need it. The L-shaped heating rod and 310S stainless steel construction maximize heat exchange, providing optimal efficiency. With a long lifespan and corrosion-resistant enamel coating, this water heater is built to last. Its space-saving design allows for flexible installation options, whether you choose to mount it on the wall, place it under the sink, or even take it along for your camping adventures. Safety is a top priority, as the heater is CSA certified and equipped with temperature and pressure protection features. Installation is a breeze, with easy-to-follow instructions provided. With the FOGATTI Mini Tank Water Heater, you can enjoy the convenience of hot water on demand, backed by a 6-year limited warranty for the tank and a 1-year warranty for components.

What We Like
Instant hot water
Long lifespan and corrosion-resistant
Space-saving design
#TOP 10

Stiebel Eltron Tempra 24 Plus Tankless Water Heater

24 Plus
White
24 (kW)
Stiebel Eltron Tempra 24 Plus Tankless Water Heater Cover
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2

The Stiebel Eltron Tempra 24 Plus Tankless Water Heater is a great solution for anyone who wants endless hot water without sacrificing space. With its patented Advanced Flow Control technology, it can automatically maintain water temperature for constant comfort, and will reduce flow slightly if hot water demand exceeds capacity. Its small, sleek design saves space and is eco-friendly, with the ability to save energy and electronically control water flow. The unit is easy to operate and noise-free while in use, with a digital temperature display and preset temperature and memory buttons. It's also backed by 7-Year Leakage and 3-Year Parts Warranties.

What We Like
Easy to install
Efficient and eco-friendly
Outstanding temperature control
Perfect for families of up to 5 people
Provides on-demand hot water
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is electric water heating better than gas?

If you are comparing the efficiency of an electric water heater vs a gas unit, electric heaters are more efficient. Although gas hot water heaters are less expensive to run monthly due to the low cost of natural gas—a gas heater uses more energy to operate and releases waste into the environment.

2. Are electric water heaters worth it?

Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.

3. What is the cost of an electric hot water heater?

Electric Water Heater Most electric water heaters cost between $500 and $800. Of that, a majority are in the $500 to $600 range.

Editor's Notes

During our electric water heater research, we found 24 electric water heater products and shortlisted 10 quality products. We collected and analyzed 88,422 customer reviews through our big data system to write the electric water heaters list. We found that most customers choose electric water heaters with an average price of $238.44.

The electric water heaters are available for purchase. We have researched hundreds of brands and picked the top brands of electric water heaters, including EcoSmart, Bosch, Ranein, Rheem, Kweetle. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.