Top 5 Electric Tankless Water Heaters That Will Transform Your Showers

Cheap options fail—but EcoSmart ECO 11 delivers unbeatable efficiency.

When it comes to choosing the best electric tankless water heater for your shower, understanding the importance of efficiency is key. The EcoSmart ECO 11 offers impressive energy savings, while the Rheem 18kW excels in delivering consistent hot water on demand.

For space-saving needs, the compact design of the EcoSmart ECO 11 stands out, making it ideal for smaller bathrooms.

Below, we analyze budget, lifespan, and real-user feedback.

best electric tankless water heater for showerbest electric tankless water heater for showerbest electric tankless water heater for shower
best electric tankless water heater for shower

EcoSmart ECO 11 Electric Tankless Water Heater

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

EcoSmart ECO 11 Electric Tankless Water Heater: 11.5” x 8” x 3.75”, ABS plastic, 2-year warranty.

Benefits

  • Provides endless hot water with a flow rate of 1.3 to 3.1 gallons per minute, depending on inlet temperature.
  • Energy efficient at 99% thermal efficiency, saving on energy costs.
  • Compact design saves space, making it ideal for small areas.

Drawbacks

  • Requires professional installation for optimal performance.
  • No dishwasher-safe parts, requiring manual cleaning.

A practical pick for small spaces, the EcoSmart ECO 11 is perfect for apartments, offices, and other limited areas needing efficient hot water solutions. Its compact size and energy-saving features make it a standout choice for users looking to optimize space while ensuring they have access to hot water on demand.

To buy this product, click here.

Stiebel Eltron Electric Tankless Water Heater

#2 CHOICE Tankless Water Heater, Electric Instant Hot Water Heater for Shower, 2100W On Demand Rapid Heating, Mini Portable Water Heater for Bathroom, LCD Digital Display

Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Tankless Water Heater is a compact and efficient solution for those in need of instant hot water. With its rapid heating technology, it provides continuous hot water access for 24 hours, making it ideal for busy households. The intelligent temperature control system ensures that the water temperature remains consistent and safe, while features like over-temperature protection and dry heating protection enhance user safety.

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At 2100W, this mini portable water heater is powerful enough to deliver hot water within seconds, eliminating the long waits often associated with traditional water heaters. Its compact design makes it perfect for small spaces, fitting seamlessly into bathrooms or kitchens where space is at a premium.

However, potential buyers should note that there are no dishwasher-safe parts, which may inconvenience those looking for easy cleaning options. Despite this minor drawback, the heater’s ability to maintain a 5L capacity without tipping makes it a reliable choice.

A practical pick for small spaces, the Tankless Water Heater is a must-have for anyone seeking a reliable and efficient hot water solution.

To buy this product, click here.

Rheem 18kW Tankless Electric Water Heater

#3 CHOICE Rheem 18kW 240V Tankless Electric Water Heater, Gray

Rheem 18kW 240V Tankless Electric Water Heater: 18kW power, durable copper heating elements, flow rate up to 4.4 GPM, LED temperature display, and a 2-year warranty.

Benefits

  • Advanced self-modulation adjusts power based on hot water demand, ensuring efficiency.
  • Simple installation with bottom 3/4 inch NPT connections makes it user-friendly.
  • Flow rate of 4.4 GPM provides ample hot water for multiple applications simultaneously.

Drawbacks

  • No battery backup for power outages, which may affect performance during electrical failures.
  • Requires professional installation for optimal performance, which could increase initial costs.

A practical pick for small spaces where hot water demand is variable. Ideal for apartments or homes with limited space, this unit provides efficient hot water without the bulk of a traditional tank. Its advanced technology and compact design make it a standout choice for those looking to maximize space while ensuring a reliable supply of hot water.

To buy this product, click here.

EcoSmart Tankless Electric Water Heater 3000W

#4 CHOICE Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin

Tankless Water Heater Electric 110V: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Tankless Water Heater Electric 110V delivers instant hot water with a powerful 3000W output, making it ideal for daily needs. Its compact design fits seamlessly under sinks, perfect for small spaces like apartments and RVs. The LED display allows for easy temperature adjustments, with the ability to raise water temperature by 82°F in seconds. With a thermal efficiency of 98%, it promises energy savings while delivering hot water on demand.

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Safety features are a highlight, including water and electricity isolation, IPX4 waterproof rating, and automatic power-off to prevent overheating. However, it’s important to note that the unit is not suitable for shower use, as it requires a minimum flow rate of 1.8 GPM.

Installation is straightforward, thanks to pre-made fixing holes and an English manual. Just ensure to install it vertically to avoid issues with the heating elements. While the product has some limitations, such as non-dishwasher-safe components, its benefits outweigh the drawbacks. Overall, this tankless water heater is a practical pick for those needing efficient hot water solutions in small spaces.

To buy this product, click here.

ELEISIOS Electric Tankless Water Heater 18kW

#5 CHOICE ELEISIOS Electric Tankless Water Heater,240V Electric Water Heater,18kW Tankless Water Heater,Instant Water Heater for Shower with LED Display,Self Modulates to Save Energy Use,Black

ELEISIOS Electric Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Instant hot water with an 18kW heating element, providing endless hot water on demand.
  • Intelligent control system adjusts heating power for consistent temperature, minimizing energy waste.
  • LED display shows current flow rate and operation status for easy monitoring.
  • Safety features include overheat protection and leakage safeguards, ensuring a secure experience.
  • Compact design fits easily in small spaces, making it ideal for apartments or smaller homes.
  • Easy operation with simple controls for temperature adjustment.

Drawbacks

  • No dishwasher-safe parts, which may require manual cleaning.

This electric tankless water heater is a practical pick for small spaces. With its compact design and efficient heating capabilities, it eliminates the need for bulky storage tanks. The intelligent control system ensures that you receive hot water consistently, making it suitable for both showers and other household needs. However, users should be aware that the unit’s components are not dishwasher-safe, necessitating regular manual cleaning. Overall, the ELEISIOS Electric Tankless Water Heater is a reliable solution for those seeking convenience and efficiency in their hot water supply.

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Faq about best electric tankless water heater for shower:

1:What is an electric tankless water heater?

An electric tankless water heater heats water on demand without a storage tank, providing instant hot water for showers and other uses.

2:How does it work?

When you turn on the hot water tap, cold water flows through the unit, where it is heated by electric elements, delivering hot water instantly.

3:What are the benefits of using a tankless water heater for showers?

Benefits include endless hot water, energy efficiency, space savings, and longer lifespan compared to traditional water heaters.

4:How do I choose the best electric tankless water heater for my shower?

Consider factors like flow rate, energy efficiency rating, installation space, and the specific hot water needs of your household.

5:Are there any downsides to electric tankless water heaters?

Potential downsides include higher upfront costs and the need for adequate electrical capacity to support the unit’s power requirements.

6:Can I install it myself?

While some homeowners may install it themselves, professional installation is recommended to ensure safety and compliance with local codes.

Conclusion

EcoSmart ECO 11 stands out for its compact design and energy efficiency, making it an ideal choice for those seeking reliable hot water without the bulk of traditional systems. Its ability to provide continuous hot water underscores its practicality for modern households. Meanwhile, the Stiebel Eltron Electric Tankless Water Heater exemplifies superior engineering, delivering impressive flow rates and advanced technology that cater to high-demand applications. Both products exemplify excellence in the electric tankless water heater market, ensuring optimal performance and customer satisfaction.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.