Best Electric Tankless Water Heaters

The tankless water heater is one of the most energy efficient appliances available. They are smaller, compact and space saving than their tank counterparts. They are able to heat water on demand, which means that they will save you money on your energy bills.

If you are considering replacing your old tank water heater with a tankless water heater, there are a few things that you should keep in mind. The first is that you need to make sure that you choose the right size for your home. The second is that you need to make sure that you have the proper installation.

When you are looking at the different sizes of tankless water heaters, you need to make sure that you get one that is large enough to meet your needs. If you have a family of four, you will need a larger model than if you have a family of two. You also need to make sure that the model you choose will be able to handle the amount of water that you use on a daily basis.

We compared similar products and observed practical user feedback to explain the maximum and real client’s experience to you. Also, we have uniquely picked them. You will be happy to purchase each item as we checked the product’s performance to pricing ratio. Now, you are invited to know the core review of the product below:

Top Rated Best Electric Tankless Water Heaters

Rank Product Name Score
Sale1
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.9/10
2
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.9/10
Sale3
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White
8.5/10
4
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
8.3/10
5
Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23
Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23
8.4/10
6
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
8.2/10
7
CRAFTSMAN 29kW 240-Volt 5.7 GPM Electric Tankless Water Heater, hot water heater for 2-3 Bathrooms
CRAFTSMAN 29kW 240-Volt 5.7 GPM Electric Tankless Water Heater, hot water heater for 2-3 Bathrooms
8.2/10
8
Instant Electric Tankless Water Heater 220/240V,Small Smart Water Heater Self-Modulating No Standby Losses,Under Sink Kitchen Household Shower, Hot Water Output of 2.0 GPM (White 7KW)
Instant Electric Tankless Water Heater 220/240V,Small Smart Water Heater Self-Modulating No Standby Losses,Under Sink Kitchen Household Shower, Hot Water Output of 2.0 GPM (White 7KW)
9.8/10
Sale9
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
9.3/10
Sale10
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
8.1/10

Sale1 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
  • 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

2 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

Sale3 Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White

  • 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
  • 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 17 x 17 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. Save up to 50% in water heating costs according to the Department of Energy
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed

4 Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

  • 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

5 Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23

  • On demand a continuous and unlimited supply of hot water
  • Sleek design saves space and no venting required
  • Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
  • Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence

6 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

7 CRAFTSMAN 29kW 240-Volt 5.7 GPM Electric Tankless Water Heater, hot water heater for 2-3 Bathrooms

  • Warm to hot climates - serves up to 3 bathrooms | Cool to cold climates - serves up to 2-3 bathrooms
  • Requires a 240-Volt service with three 40 Amp double-pole breakers and three 8/2 AWG wires
  • 35° F Temperature Rise – 5.2 GPM, 45° F Temperature Rise – 4 GPM, 55° F Temperature Rise – 3.2 GPM
  • Digital control panel allows you to easily set the desired temperature up/down in increments of 1 degree F from 90 – 122 degrees
  • Durable assembly with stainless steel, non-corrosive, lead free internal canisters and piping with standard 3/4 in. NPT (straight thread) fittings

8 Instant Electric Tankless Water Heater 220/240V,Small Smart Water Heater Self-Modulating No Standby Losses,Under Sink Kitchen Household Shower, Hot Water Output of 2.0 GPM (White 7KW)

  • NOTE: Since each product has been quality tested before leaving the factory, a small amount of water remains inside each water heater!Please rest assured,If there is any problem with the product, you can contact us, customer service 24 hours online service.
  • 【ENDLESS WATER HEATER】3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 131 ℉. Tankless electric water heater on demand suits for sinks and bathroom( meet bathing needs except extremely cold winter such as 28℉).
  • 【SMART INVERTER FOR ENERGY SAVING】The hot water heater built-in smart chip to scientifically calculate the minimum required power based on the water flow and temperature thus costing less energy and money. Save up to 90%. The water flow rate and temp is stable under chip's control.
  • 【SAFE DURABLE & LONGEVITY】Multiple safety protection functions protect you from the risk of scald, leakage or other injury. Premium PE shell is corrosion resistant, high-grade and easy to wipe. This mini hot water heater is ideal for kitchen, bathroom, bar, school, hospital, community and hair salon.
  • 【EASY TO USE】 The electric tankless water heater comes with digital display & Remote control settings & touch control panel for visual setting. Accessories are complete for quick installation without additional expenses or preparing time of accessories.

Sale9 EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM

Sale10 Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Sale10
  • 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

Buying Guide of Best Electric Tankless Water Heaters

Having prior knowledge of the product is always essential when you are in electric tankless water heaters. This knowledge may contain features, pros and cons, and other performance controlling factors. Thus, we suggest you know the pricing level of the product compared to its usefulness for a happy purchase.

Without proper research and comparison, you alone may waste your valuable time. But we have already completed the study and comparison to help you save time for other chores. You can buy the right electric tankless water heaters within the shortest possible time without losing the performance selected from our list.

The Suitable Brand

Check out the manufacturer’s reputation in the current market before buying the quality product name. The desired electric tankless water heaters will be efficient if you discover everything trustworthy and user-friendly. So, you can compare brands and read user reviews of the product for clarification. In this way, you may also learn the during and after-sales services.

Usually, high-performing products may cost you more money. But extra investment on that product may ensure you get the best performance and after-sales service. However, some manufacturers can be new to the market with a short history, except for the thoughts. They can also offer their best to compete and win the market.

Practical Features:

This is the next thing to look at when buying the best electric tankless water heaters. Always try to match the features you want with the selected product. Therefore, some products may miss a few features, but still, they can be efficient for your project. Our suggestion is to look for the top or mandatory features of the multiple products. Then, you can compare and select the specific product having the most features you want.

It is better to know some generic features of most products. But you may also prefer extra or unique features for better satisfaction. Thus, we have focused on top practical features in this review list with correct details. Now, save your time and enjoy buying the product.

Top Benefits and Drawbacks

It is pretty impossible to get a 100% perfect product. It means your selected product may contain both positive and critical aspects together. So, keep the top benefits in mind and justify that they will fulfill your product name needs. Alternatively, the product flaws may give idea about its value for money in real-time applications.

Check out user reviews on different stores like Amazon, social networks, user forums, and the manufacturer website. It may clarify the top pros and cons for necessary product comparison. In this case, we are already ahead of reviewing them. We are not suggesting doingmassive works; look at our product name pros and cons for the best compatibility.

Pricing:

Price can control the interest of a user or buyer to buy the respective product. It can determine how many features and performing factors of the product. Again, it can be changeable depending on multiple facts like brand value, topmost features, how they function, and life expectancy. Remember that you should pay more to get a product from a famous manufacturer.

In some cases, new brands offer their products at an attractive price. But you should always compare them with other similar products from different brands. It ensures you are spending well for the most effective outcome. It is beneficial to set and stick to a possible budget and buy the product within that budget.

Performance and Durability:

Performance indicates the compatibility of the product with your applications. Durability is another thing to consider for justifying your investment. You should look at both performance and durability of the respective product.

Spending a lot of money and getting an ineffective result from the product can be horrifying. A product should always perform better to meet the expectations. Again, the material quality and types may also differentiate the product prices. Sometimes the product may meet or exceed traditional product standards for best return or benefit on investment. Likewise, the shorter lifespan than expectation also can be a loss of investment.

Irrespective of user reviews, you can find many ways to know your desired electric tankless water heaters’s performance and durability. You should try to see the source of materials used in producing the product. Indeed, the best product is constructed from premium, long-lasting, and industry-leading materials.

Warranty and After-sales Service:

Warranty and after-sales service are very much helpful during any emergencies. We suggest you read the terms and conditions of serving the manufacturer or the seller after and before the purchase.

It is not easy to say your product will last forever. So, inquire if the manufacturer is allowing any warranty or after-sale services upon the purchase. Some products may require repairing services which the manufacturer may allow sometimes. In this case, you may check the user reviews about the manufacturer’s after-sales service.

The manufacturers often offer a 6-24+ months warranty on the desired product. Some may offer free or slightly paid repair services, including home repair services. So, read all the terms and conditions well or face a loss after buying the product.

Final Words

Now, we have concluded our best electric tankless water heaters review. We expect our study can help you buy the product matching your needs. Here, we have included a good explanation of applications, features, user reviews, pros, and cons so that you get top-quality products.

Please, feel free to share what product has caught your eye. We hope you will buy any of our selected items as we have already proved why they are best. Indeed, buyers are craving to buy them. Spending time on other products in confusion may make you delay or miss the right purchase. So, make your life easier by picking the right product from our list faster.

Last update on 2022-02-03 / Affiliate links / Images from Amazon Product Advertising API

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