10 Best Electric Tankless Water Heaters [Reviews – 2022]

Nowadays everyone is very busy in their life and wants to get everything within a short time. In cold weather, everyone needs hot water for baths, dishwashing, cleaning, or pet showers. For getting hot water they used multiple ways such as using a stove, electric rod which are not safe methods for you and your family. You also get hot water with a tank or tankless electric heaters. Both (tank/tankless) electric water heaters are easily available in the market. 

Tank and tankless gives you hot water but some features make them different from each other like the tank water heater collects water into their gallons and needs some time for cold water temperature changing into hot water and have huge size whereas the tankless water heater has not any gallon and compact, sleek design, easy to adjust anywhere and provides you instant hot water within seconds.

In this article, we discuss with you all the features and benefits of the best electric tankless water heaters. We have accumulated a top-rated, and worthy collection of the top 10 best electric tankless water heaters that you can select according to your choice and needs. The electric tankless water heater is the best option for those people who have limited space and are too busy in life.

If you have a tank heater and want to change with other best products, we suggest an electric tankless water heater which is the best alternative to a huge tank water heater and also safe for your family and home. The tankless water heater is also available at a reasonable price with an efficient warranty period.

Top 10 Best Electric Tankless Water Heaters Of 2022

Detailed Features & Reviews

1. Stiebel Eltron Electric Tankless Heater

Review: The Stiebel Eltron Tankless water heater has a slim, sleek, compact design with a digital temperature display that easily controls all settings (water flow, heating temperature) of the electric heater and shows on the display.  The compact electric heater is built with solid copper heating chambers which are durable, rust-free, and work long-lasting. The Stiebel electric tankless water heater saves energy with auto-modulation and provides endless hot water at all fixtures without sacrificing water flow. 

2. Rheem Tankless Electric Heater

Review: The Rheem Tankless water heater has a compact, unique, sleek, wall-mounted design, easy installation, and has self-modulation power control. The external digital thermostatic control with an LED display sets your temperature in increments of 1°. The solid copper immersion heating elements with brass top upgrade durability and are threaded for simple replacement. The compact electric heater provides quick, continuous hot water that is in need for single point-of-use or various applications.

3. Ecosmart Electric Tankless Heater

Review: The Ecosmart Electric tankless water heater provides instant endless hot water at the same time on all fixtures without sacrificing the water pressure. This electric heater has a compact, sleek and wall-mounted design for easy installation. The Ecosmart water heater is built up with advanced self-modulating technology which only uses the amount of energy compelled to heat water when you need it. Digital temperature control in 1-degree increments allows users full control of hot water.

4. Eemax Electric Tankless Water Heater

Review: The Eemax electric tankless water heater gives you instant, consistent, and endless hot water without any waiting. With the help of the most advanced, self-modulation technology the unit will modify how much energy needs to be input based on how much hot water is needed. This unit has a stylish, compact, space-saving design easy to adjust anywhere in the home and the digital temperature control in increments of 1° F ranging from 80°F to 140°F. 

5. ECOTOUCH Tankless Water Heater

Review: The EcoTouch tankless water heater has a backlit LCD smart touch to easily control the temperature of the water and other settings. The compact, wall-mounted design saves space easily to adjust anywhere in the bathroom, kitchen, or storage room, no venting is required. This electric unit is equipped with smart modulating control for managing temperature and consuming low energy to work. The EcoTouch electric heaters provide multiple safety protection (over-temp protection, dry-heating protection, leakage protection).

6. iHeat Tankless Electric Water Heater

Review: The iHeat Tankless Electric Water Heater can be used in highly sterile applications such as commercial kitchens, hospitals, clinics, and schools where cleanliness is of the highest necessity. This energy-efficient electric unit has a compact, sleek and wall-mounted design which is easy to fit in apartments, or even closets. The iHeat tankless water heater has complete stainless steel boasting an ixp-4 waterproof construction which is durable and works long-lasting.

7. Camplux Electric Tankless Heater

Review: The Camplux Electric Tankless Water Heater has a smart, unique, and compact design with touch control and digital display, and smart and simple to adjust the temperature with a smart remote controller. This hot water unit is equipped with a pressure relief valve, which can drain the water after use in cold weather, which can effectively stave off freezing and cracking of the water pipe in the water heaters so which keeps the water durable and can be used for long-lasting.

8. BLACK+DECKER Tankless Heater

Review: The Black+Decker Electric Tankless Water heater saves up to 50% on your water heating costs and comes with a 7-year leakage-free, 5-years, 2-years heat exchanger. The unique, compact, space-saving and wall-mounted design are easy to install, and also has digital thermostatic technology. The digital temperature display and stepless temperature setting dial for easy adjustment of the water temperature. The Black+Decker tankless heater has durable stainless steel internal assembly which is rust-proof.

9. Marey Power Tankless Water Heater

Review: The Marey Power Tankless Water heater is great for kitchen, bathroom (one point of use) installation and provides instantly endless hot water. The compact unit also saves up to 60% on electricity bills for water heating because this unit only uses electricity when you use the heater. The Marey tankless electric water heater, easy management and simple adjustments, filters on the water inlet which prevents sediments from destroying the unit.

10. Bosch Electric Tankless Heater

Review: The Bosch Electric Tankless Water Heater is available at reasonable prices and in different sizes which is ideal for shopping malls, airports, stadiums, and offices. The electric water heater has a mini and wall-mounted design with an easy under-sink to instantly hot water one or more sinks. A new lower activation flow rate of only 0.3 gallons per minute offers for use with newer, low flow fixtures. Have no storage tank required, no standby energy loss.

Considerations For Buyers


The electric tankless water heater has a compact, lightweight, the sleek and wall-mounted design that frees up the ground and is easy to install anywhere (In apartments, closets, kitchen, bathroom, etc). Some tankless water heaters have mini-size under-sink designs that are specifically manufactured for shopping malls, offices, airports, and stadiums.


There are two types (inlet and outlet) valves that come with the heater which easily fit with the heater. The instant water heater is equipped with a pressure relief valve that can drain the water after use in the cold season, which can effectively avoid the freezing and cracking of water pipes in the water heater ao that the tankless water heater can be used for a long-lasting.


The tankless water heaters build up with an advanced smart modulating control for stable temperature. The electric water heater modifies actual power input according to power calculation based on flow rate and temperature setting in real-time, which means you still bring a stable temperature instead of scalding hot when you decrease flow rate. Thus, it delivers optimal energy efficiency.

Instant Hot Water 

The tankless water heater provides you endless hot water on demand without waiting for preheating water or standby energy loss.  The electric tankless water instantly changes cold water into hot water and hot water comes out immediately with needed temperature and sufficient flow rate of 1-1.5 GPM (gallon per minute).

Safety Protections

The electric tankless water heater provides multiple protections such as over-temperature protection, dry-heating protection, leakage protection because the water and electricity line is fixed separated which are safe and secure for you and your home.


The tankless water heater has a wall-mounted design that frees up ground space for storage, simple to install anywhere (bathroom, kitchen, and storage room). The tankless water heater comes with easy installation brackets, standard pipe fitting, and a power cord (which is already fixed to the unit). So you don’t need to waste your money on hiring a plumber even if you can do it.

Frequently Asked Questions [FAQs]

Stiebel Eltron Tankless Water Heater saves energy with auto-modulation, digital temperature display, solid copper heating chambers, provides continuous hot water, keeps the temperature constant with advanced flow control, and also has preset temperature, memory buttons. Comes with 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence.

The tank water heater is huge and needs separate space for keeping. The tank water heater can stores water in it and needs too much time for preheating water. The tankless water heater has a compact, sleek, wall-mounted design that is easy to adjust anywhere (no need for any separate place to adjust). The tankless heaters provide instant hot water no waiting for preheating water and are available at reasonable prices.

Both tankless heaters are best but some features make them different from each other like the electric heater needs electric power to work whereas the gas heater needs propane gas for working. The electric tankless heater has a compact, wall-mounted design to easily adjust with the wall. The propane tankless water heater has a compact, portable design which can be used in camping, hiking, or outdoor use.

The electric tankless water heaters have sleek, compact, lightweight, and wall-mounted designs easy to adjust in small apartments, kitchens, bathrooms, offices, schools, restaurants, etc. Some mini electric tankless water heaters have a very small size which is easy to adjust under-sink and get instant hot water with a great water flow. A tankless water heater is a great option for those who have no ground space for a water heater.

The electric tankless water heater saves energy and money which you spend on buying expensive propane gas. The traditional tank water heaters are always operating. They are either preheated water after storing which is called standby heat loss and consume lots of electricity on preheating water whereas the tankless heaters instantly provide hot water and turn off the power when you do not use water.

Bottom Line

The BS Reviews team is working only for your support and comfort so that you can easily get the best products without going to any market. We have a great variety of different (gadgets, home appliances, hiking or camping gears) products which are available at reasonable prices and also have excellent features. 

In this article, we showed you the top 10 best electric tankless water heaters of this year with their features and proper information that you can easily get hot water in cold weather. The electric tankless water heater is a great choice for those people who are very busy in their life or fed up with their huge, traditional water heater. We hope our selection of the best electric water heater helps you in buying the best electric water heater.

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