The Best Electric Water Heaters in 2023

By investing in a premium electric water heater, you can be certain that your home will always have adequate hot water for showers, culinary duties, appliances, and more. We investigated several items and evaluated them based on their performance, energy efficiency, and upkeep requirements. Keep on reading to figure out the best electric water heaters. Check out our picks for Best Dehumidifiers For Basement, The Best Gas Water Heaters, and Best Battery Powered Smart Thermostat.

Top Picks

• Best Overall: Bosch Electric Mini-Tank Water Heater 3000 ES8

• Best Tankless: EcoSmart ECO 27 Electric Tankless Water Heater

• Best Value: Camplux Tankless Water Heater Electric

• Best Performance: Rheem RTEX-24 Electric Tankless Water Heater

• Best Compact: thermomate Electric Mini Tank Water Heater

• Best Budget: Bosch Electric Mini-Tank Water Heater 3000 ES4

1. Bosch Electric Mini-Tank Water Heater 3000 ES8

Specification

• Capacity: 7 Gallons

• Power Source: AC

• Dimensions: 21 x 20.5 x 16.5 inches

• Wattage: 1440 watts

• Voltage: 120 Volts

The Bosch ES8 Tronic 3000 T electric water heater provides hot water when and where it is required. This point-of-use mini-tank with a 7-gallon capacity fits neatly under your sink and offers a useful and efficient answer to your hot water demands. 

Install the 7-gallon heater with hard wiring to provide your house with the dependable and on-demand water source it requires. Water connections for the ES8 can be fitted on top (vertically), providing 7 gallons of capacity, or on the side (horizontally), offering 5.1 gallons. 

Long delays for hot water are eliminated thanks to the heater's quick recovery rate and the glass-lined tank's excellent insulation and enhanced durability. An exterior dial makes it simple to change the temperature range, and the temperature-and-pressure relief valve increases safety.

Pros

• The best insulation in terms of energy efficiency is foam manufactured without CFCs.

• A 7-gallon hot water point-of-use mini-tank is available for installation underneath the sink.

• It is convenient to put the heater either vertically or horizontally.

Cons

• Occasionally cause leaking

2. EcoSmart ECO 27 Electric Tankless Water Heater

Specification

• Capacity: 3 Gallons

• Power Source: AC

• Dimensions: 3.75 x 17 x 17 inches

• Wattage:  27 KW

• Voltage: 240 Volts

Constructed to handle high flow rates or cold conditions. Perfect for locations where the incoming water temperature can fall below 45 F. to be used in water-use applications that are more demanding. 

Self-modulating flow sensor technology controls the required amount of energy to heat the water. The exit water temperature is shown on a digital temperature display using three standard Emerson electric heating elements, each 9 KW power, with brass caps to avoid electrolysis. A copper heat exchanger thermostat with automatic reset is used. 

This electric tankless water heater with Smart Technology is designed for regions where the incoming water temperature might drop as low as 37 degrees. The ECO 27 can heat almost 3 gallons per minute at this temperature. The ECO 27 uses patented self-modulating technology and is the largest electric tankless water heater on the market.

Pros

• Small size

• Lightweight

• Able to change the temperature in 1-degree steps

Cons

• Occasionally causes leaking

3. Camplux Tankless Water Heater Electric

Specification

• Material: Stainless Steel

• Power Source: Corded Electric

• Dimensions: 18.9 x 14.5 x 5.7 inches

• Wattage:  27 KW

• Voltage: 240 Volts

The Camplux electric hot water heater TE27W, which uses 27kW heating technology, provides you with quick, limitless, and consistently hot water 24 hours a day, seven days a week.

This electric water heater is ideal for use in kitchens, schools, hospitals, and hair salons because of its small size and stylish appearance, which can be put at any angle.

The electric water heater will only use as much energy as is necessary to create hot water; no preheating is required, allowing for energy savings and quick heating. Multiple safeguards to guarantee your safety

The tankless instant water heater is leak-proof, and when the temperature hits 153°F, overheat protection will kick in. Smart controls that remember your preferred temperature and allow free conversion between degrees Celsius and Fahrenheit.

Pros

• Provides limitless, reliable, and fast hot water

• Stylish and small in size

• Multiple defenses to keep you secure

• Mountable at any angle

Cons

• Need a qualified professional technician for installation.

• No child safety measures are present.

4. Rheem RTEX-24 Electric Tankless Water Heater

Specification

• Material: Stainless Steel

• Power Source: AC/DC

• Dimensions: 18.25 x 14.5 x 3.5 inches

• Wattage:  24 KW

• Voltage: 240 Volts

 Due to their small size, Rheem tankless electric models can be installed next to a fixture (for the sink, bathroom, or closet), freeing up important storage space in your home. Models of the entire house can be mounted on the wall in a key area of the house.

Less water is lost down the drain as you wait for hot water to reach the tap when tankless electric point-of-use water heaters are put nearby.

The Department of Energy claims that whole-home or point-of-use tankless electric water heaters can cut your water heating costs by up to 34% or 50%, respectively. 

Pros

• Your entire house will have instant, continuous hot water.

• Simple installation and a small form factor

• Displaying temperature digitally

• Self-modulation that modifies power to supply enough hot water

• 99.8% energy-saving

Cons

• Pricey

• In the case of extremely cold groundwater, it could not function as claimed

1. What electric water heater issue is the most prevalent?

Ineffective or nonexistent heat generation is one of the most frequent issues with electric water heaters caused by a failed heating element.

2. What transpires if an electric water heater fails?

If you have an electrically driven conventional tank-style water heater, it will stop heating water if there is a power outage. When kept in the insulated tank, however, water that has already been heated to the proper temperature when the power goes out will continue to be hot for some time.

3. How is an electric water heater reset?

You can find a reset button on your electric water heater somewhere. It frequently appears red and is found next to the thermostat. It might also be hidden by an appliance's detachable metal panel and some insulation. Once you've located the button, press it and then let go of it.