The Best Tankless Water Heaters Electric of 2023 – Reviewed and Top Rated

2,155 Reviews Scanned

Rank No. #1

Rheem 18kW 240V Tankless Electric Water Heater

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

Rank No. #2

EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology , 17 x 14 x 3.5

The product is highly durable
The product is easy to use
Manufactured in China
Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire

SaleRank No. #3

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

SaleRank No. #4

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Sleek and compact design with digital output temperature display
ECOSMART tankless water heaters are 99.8-percent energy efficient
Manufactured in United States
Pipe Fittings:3/4 inch NPT
Required Breaker:4 x 40 A

Rank No. #5

Electric Tankless Water Heater, Small Instant Hot Water Heater for Kitchen Sink, 3000W 110V, With LCD Digital Display (Golden Inverter)

💦【REMOTE CONTROL&LCD DISPLAY】Remote temperature control, switch at will, bid farewell to hot and cold, making your use safer and more convenient.stainless steel housing, with LCD digital temperature display, the unit is Celsius °C. The water temperature can be adjusted freely by the water flow, and the operation is simple. Safety heater, energy-saving, water-saving, no pollution, no exhaust gas.
💦【HIGH QUALITY】This is a compact and efficient water heater that can quickly produce hot water. The heater is safe, energy-saving, water-saving, pollution-free, and no exhaust gas. Durable, elegant and stylish.
💦【SAFETY DESIGN】The heater has leakage protection, IPX4 waterproof design, dry heat protection, water and electricity isolation, automatic power off in inactive state, automatic power off when over temperature, etc. ✤Easy to install: It is easy to install in the bathroom or kitchen sink for washing dishes, washing food, washing clothes, washing face and other functions.
💦【STANDARD 1/2 INTERFACE】Standard 1/2 interface, which can be directly connected to household conventional hose connectors/faucet metal hoses/shower hoses/shower hoses.
💦【SPECIFICATIONS】The water heater need a larger than 32 amps circuit breaker; Rated voltage: 110V, Rated power: 3000W, Plug: American plug, current: 25-32A, Heating material: 304 stainless steel, Water temperature range: 30℃-55℃.

Rank No. #6

HAIYEATBNB Tankless Water Heater Electric 110V，5.5kW On Demand Water Heater Under Sink With Remote Control

Instant Hot Water: Experience the convenience of instant hot water with our Tankless Water Heater Electric 110v. Say goodbye to waiting for the water to warm up! This compact and powerful unit delivers hot water on demand, providing a quick and efficient solution for your daily needs.
Space-Saving Design: Designed with American living habits in mind, this tankless water heater is perfect for maximizing space in your home. With its compact size, it can be easily installed under the sink, freeing up valuable floor space in your washroom. Enjoy hot water whenever you need it, without sacrificing precious square footage.
Energy Efficient: As energy conservation is a priority for many American users, our tankless water heater electric is designed with energy efficiency in mind. The 5.5kw power rating ensures optimal performance while consuming minimal electricity, helping you reduce your energy bills and environmental footprint.
Convenience: With the included remote control, operating and adjusting the water heater has never been easier. From the comfort of your couch or bed, you can effortlessly turn the unit on/off, adjust the temperature, and customize the settings to suit your preferences. Enjoy the luxury of controlling your hot water without leaving your seat.
Installation instructions: Wire requires 6mm ² (9AWG), circuit breaker ≥ 60AMP, thread size: 1/2 "NPT, please contact a person with an electrical license to help you complete the wire connection.

Rank No. #7

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

Sleek and compact design with digital output temperature display
ECOSMART tankless water heaters are 99.8-percent energy efficient
Manufactured in United States
100 A

Rank No. #8

Lianfengymx Mini Electric Tankless Water Heater 3000W 110V Constant Temperature Instant Hot Water Heater with Degrees Celsius and Fahrenheit Digital Display On Demand Hot Water Heater

1【Mini Electric Tankless Water Heater】：With 110V 3000W heating system, the tankless electric water heater provides instant hot water, you can get hot water in 3 seconds without preheating. Instant consistent and continuous hot water at a maximum temperature of 55°C/131°F.with Degrees Celsius and Fahrenheit Digital Display On Demand Hot Water Heater. It is the perfect companion for your sink, bringing you the perfect experience of comfort and relaxation.
2【 EASY TO INSTALL】：The home water heater has a mini body, easy to install in bathrooms, kitchens and under sinks，Also a good choice for mounting on RVs.Standard 1/2 connection (in or out) for direct connection to conventional household hose fittings.With a 110V plug, it can be powered on by directly plugging into the power strip.
3【SAVE SPACE & ENERGY】：Our tankless water heater is compact, only the size of a small tablet, and the wall mount design frees up valuable floor space in your home. Unlike a tank heater, it consumes no electricity at all when not in use and only heats water when it is being used.
4【SAFE TO USE】：With overheat protection, dry heat protection, and earth leakage protection, you can rest easy knowing you'll have safe, on-demand hot water on schedule. The electrical and fluid systems are completely separated to prevent leakage of electricity and corrosion of water pipes.
5 【Key Points for Use】The stylish tankless water heater is as compact as an oatmeal box and can be installed anywhere near the outlet to avoid energy waste. Please install it vertically, not horizontally or upside down. Ideal for kitchens, bars, schools, hospitals, communities and hair salons. Please confirm if it is suitable for you: 3000W 110V; body size 7.8" x 4.7" x 2.7"; water inlet and outlet connection: 1/2" NPT.

Rank No. #9

Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series

☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.
☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.
☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

Rank No. #10

DAORDAER Mini Electric Tankless Water Heater 3000W 110V Constant Temperature Instant Hot Water Heater with Remote Control Digital Display On Demand Hot Water Heater

INSTANT HOT WATER HEATER - Applied with 5500W heating system, the electric tankless water heater supplies instant hot water, 3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 55℃/131℉. It is perfect companion for sinks, bringing you perfect experience of comfort and relaxing.
REMOTE CONTROL OR TOUCH SCREEN - Ultra slim and smooth appearance design, beautiful and elegant. The temperature can be adjusted by remote control and touch control, which is more convenient to use, can avoid wet hands to adjust, and is safer; constant temperature water outlet three-level power adjustment, bid farewell to cold and hot
SAVE SPACE AND ENERGY - Compact design, our tankless Hot Water Heater is only the size of a small suitcase, and the wall-mount design frees up valuable floor space within your home. And tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
EASY TO INSTALL - The home water heater has a mini body, easy to install in the bathroom, kitchen, and under the sink.Standard 1/2 interface(inflow or outflow), can be directly connected to household conventional hose connectors.
SAFE TO USE - With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

SaleRank No. #11

Tankless Water Heater Electric 18kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Whole House Shower, 76A GRAY

[Instant Unlimited Hot Water] - REQUIRE 2 x Double-pole 40AMP Breakers to Achieve 240V for this On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower
[Save Money and Space] - Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99.8% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces.
[Smart Operation] - Auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency, continuous stable temperature and optimal power usage. Digital temperature display allowing adjustment in 1° increment from 80°F to 140°F. Heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.
[Easy Installation & Safety Protection] - ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection
NOTE - Make sure this water heater is the correct size for your hot water need: 18kW at 240V draw max 76amp; Required breaker 2 x Double-POLE 40AMP; Wire gauge 2 x 8AWG; Unit size 17.12" x 13.12" x 3.12"; Water connection 3/4" NPT. 2-year limite warranty and 24/7 customer support services.

SaleRank No. #12

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

CONTINUOUS FLOW – Advanced Flow Control 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 control water flow. Savings monitor even shows how much you save on energy costs
EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work
TEMPRA 24 PLUS – This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels, Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109°F. This can be important in some installations to prevent the possibility of scalding.
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

SaleRank No. #13

EcoSmart ECO 8 Tankless Water Heater, Electric, 8-kW - Quantity 1, 12 x 8 x 4

The product is highly durable
The product is easy to use
Manufactured in China

Rank No. #14

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

ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
Bottom 3/4" NPT water connections
On demand, consistent and continuous hot water

Rank No. #15

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

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

Rank No. #16

Tankless Water Heater Electric 3000W LED Display With Remote Control Instant Hot Water Heater Electric Suitable For Home Kitchen Bathroom BLACK

【Tips】 The instant hot water heater does not store water (Water Temperature Range: 35-50℃).The outlet water temperature depends on the inlet water temperature and water flow. The larger the water flow, the lower the temperature, the smaller the water flow, the higher the temperature.
【Instant Heating】Voltage:AC 110V;Wire Requirements:2.08mm² Copper wire (#14 awg wire); Trip switch:≥32A(Otherwise it will trip).24 hours ready to continuously supply instantaneous hot/warm water.NO standby energy consumption. NO wait for tank to fill up.
【Easy to Use】The upgraded tankless water heater electric can be controlled by remote control and button,and the operation is simple and free to adjust the temperature.Lightweight and easy to install vertically facing up or down. Small and exquisite water heater saves space,installation and disassembly simple.
【Energy Saving】Tankless water heater can only be heated when you need it. There is no hot water tank,which will save 50%of water than ordinary water heaters, but Its heating temperature will also be much lower than that of ordinary water heaters. In winter, it may only meet the needs of our kitchen.
【NOTICE】The water heater need a larger than 32 amps circuit breaker; the outlet water temperature won't very hot because the water heater just 3KW, so it can't be used to bath , it can be use to wash hand or use in kitchen.Please check whether the wire specifications.If you feel that the water heater is not heating up to your preferred temperature, try waiting longer or reducing the water flow.

Rank No. #17

Harbin-Star Tankless Water Heater Electric, 4500W Electric Water Heater with LED Display, 110V On Demand Instant Hot Water Heater, Self Modulates to Save Energy Use, for Shower Kitchen Bathroom -White

Instant Sufficient Hot Water: The electric tankless water heater applied with 4.5KW heating system supplies sufficient instant and endless hot water in seconds, no waiting for preheating while bathing. Ideal for use with shower, sink faucet, dishwasher or washing machine. (Product comes with a shower head, outlet pipe and a set of installation accessories)
Digital Control Panel: The tankless electric water heater is equipped with digital display and touch control panel, you can easily control the temperature through the control panel, while the information displayed on the screen can help you fully understand the working status of the water heater, you can easily make the corresponding operation.
Multiple Protection: We know that the safety of the product is always the first priority. This tankless water heater has an over-temperature protection design: when the outlet water temperature reaches over 131F/55C, the electricity will be automatically cut off to avoid getting scalded and the screen will display E1, And then the water heater will start to work automatically while the temperature drops to the set temperature.
Save Energy: The hot water heater will only draw the amount of electricity needed to produce hot water during the heating process in a few seconds, without the need for preheating, which saves a lot of energy and your money, providing you with a more comfortable bathing experience.
Product Parameters: Material: Tempered glass panel; Heating Material: stainless steel; Rated Voltage: AC 110v; Rated Power: 4500W; Rated Current: 29.5A; Rated Water Pressure: 0.6Mpa; Waterproof Level: IPX4; Temperature: 30-55℃(water flow adjustable); Support Thermostat: yes; Style: Vertical; Maximum temperature: 55℃

SaleRank No. #18

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch

Can provide hot water for one sink at 0.5 GPM in warmer climates
Requires 1 x 30 amp breaker and 10 AWG wire
For one sink at 0.5 GPM in colder climates the POU 6 is recommended
Amperage Draw 29 amp. kW - 3.5 kW
Connection Fittings 1/2" NPT

Rank No. #19

Airthereal Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series

☼Endless Hot Water: Imagine being the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. With the Airthereal Electric Tankless Water Heater, you'll have endless hot water on demand with no preheating required. No more worrying about running out of hot water in the tank or experiencing temperature fluctuations in the middle of your shower.
☼Save Space: This wall-mounted water heater is perfect for saving space. It uses 90% less space than a traditional hot water heater with a tank, which means you can use the extra space for other things.
☼Save Energy: The self-modulating temperature technology only heats up water when you need it, which means you won't be wasting energy by storing hot water in a tank. You can save up to 50% on water heating energy compared to a typical tank water heater.
☼Safe To Use: Safety is always a top priority with Airthereal. With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
☼Important Note: In order to install the 27kW Electric Tankless Water Heater you'll need access to 240 voltage, 3 x 40 amp circuit breakers, and 3x 8AWG/2 wires. Please make sure to check your breaker panel to confirm that it meets these specifications before installing.

Rank No. #20

Mini Electric Tankless 110V Small Instant Hot Water Heater,Under Sink Plug in Water Heaters on Demand with LCD Digital Display for Kitchen Sink Faucet(Gold)

✅【110v Tankless Water Heater】:The home water heater is Install below the sink, small size saving you space under the sink. Size: 7.87x 5.12 x 2.56". Mini Tankless Water Heater is the best gift for person who has a new sink!
✅【Heating Water in 3s】:When the water passes through the unit, 3000W output tankless electric water heater will heat in 3 seconds, saving your water bill. You can control the temperature according to the water flow.Water Temperature Range: 35-50℃.
✅【Wide Applications】: The instant water heater 110v tanklesss suitable for universal water pipe: 1/2 inch diameter (inflow or outflow),110V;US Plug. Install the small instant hot water heater under American kitchen island, kitchen and living room, enjoy hot water for washing dishes, food, clothes, faces and so on.
✅【Safe Automatic Power-Off】:The mini tankless electric water heater 110v automatically shuts down when inactive, overheated, or leaking. And stop heating when there is no water flow, saving your electricity bills.
✅【Easy to Install】:Just install the small water heater on a shelf, wall or bracket under the bathroom or kitchen sink; connect the water pipes up and down to provide hot water for your sink.

Last update on 2023-08-13 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Tankless Water Heaters Electric?

Do you get stressed out thinking about shopping for a great Tankless Water Heaters Electric? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Tankless Water Heaters Electric, which is why we have assembled a comprehensive list of the greatest Tankless Water Heaters Electric available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Tankless Water Heaters Electric that you consider buying. Your questions might include the following:

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Potential sources can include buying guides for Tankless Water Heaters Electric, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Tankless Water Heaters Electric. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Tankless Water Heaters Electric buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Tankless Water Heaters Electric currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Tankless Water Heaters Electric has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Tankless Water Heaters Electric?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Tankless Water Heaters Electric.
Customer Ratings: Number ratings grade Tankless Water Heaters Electric objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Tankless Water Heaters Electric.
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Product Reliability: How sturdy and durable an Tankless Water Heaters Electric is should be an indication of how long it will work out for you.

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The Best Tankless Water Heaters Electric of 2023 – Reviewed and Top Rated

How Do You Buy The Best Tankless Water Heaters Electric?

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