best electric tankless water heater that will surprise you

Looking for the best electric tankless water heater? Experience endless hot water with energy efficiency and convenience!

The best electric tankless water heater options provide instant hot water while saving space and energy. The Rheem 18kW 240V offers reliable performance and compact design, while the Rheem RTEX-24 delivers higher output for larger households. The EcoSmart ECO 11 features patented self-modulating technology for optimal energy use.

These heaters are perfect for homes with varying hot water needs. Ideal for small apartments or large families, they ensure you have hot water whenever required. Their energy-efficient designs help reduce utility bills while maintaining comfort.

This review will guide you through the top choices, highlighting their features and benefits. You’ll learn how each option can meet your specific hot water needs effectively.

Rheem 18kW Tankless Electric Water Heater

The Rheem 18kW 240V Tankless Electric Water Heater is designed to provide an endless supply of hot water, making it ideal for homeowners seeking efficient and reliable solutions for their hot water needs. This unit is particularly suited for medium to large households, as it delivers a flow rate of up to 4.4 gallons per minute (GPM). With its sleek gray exterior, this water heater combines functionality with modern aesthetics, ensuring it fits seamlessly into any home environment.

Key specifications include durable copper immersion heating elements that are field serviceable, ensuring longevity and ease of maintenance. The external digital thermostatic control with an LED display allows for precise temperature adjustments with an accuracy of ±1 degree, enhancing user experience by providing exact control over hot water settings. The simple installation process features bottom 3/4 inch NPT water connections, making it accessible for most DIY enthusiasts.

This tankless water heater solves the common problem of running out of hot water during peak usage times, such as showering or washing dishes. Its advanced self-modulation technology adjusts power based on hot water demand, ensuring efficiency and reducing energy costs.

Pros

• Endless hot water supply, ideal for large families.
• Durable construction with serviceable heating elements.
• Energy-efficient operation, saving on utility bills.
• Easy installation with clear instructions.

Cons

• Initial investment can be higher compared to traditional water heaters.
• Requires a minimum electrical supply, which may necessitate upgrades.

Performance-wise, the Rheem 18kW Tankless Electric Water Heater stands out with its reliable heating capabilities and user-friendly controls. It is best suited for families or individuals who prioritize consistent hot water availability and energy efficiency. However, potential buyers should consider the electrical requirements and installation costs involved.

In summary, the Rheem 18kW 240V Tankless Electric Water Heater is an excellent choice for those seeking a dependable and efficient hot water solution, particularly for larger households. Its innovative features and robust design ensure a satisfying user experience.

To buy this product, click here.

Rheem RTEX-24 24kW Electric Water Heater

The Rheem RTEX-24 24kW 240V Electric Tankless Water Heater is designed to provide continuous hot water for your entire home, making it ideal for families and individuals who prioritize efficiency and convenience. Its compact size and sleek gray design ensure it fits seamlessly into any utility space. With dimensions that allow for easy installation, this unit is perfect for homes with limited space. The heater operates at 240 volts and requires three 40 AMP double pole breakers, making it essential to verify your home’s electrical capacity before installation.

This electric tankless water heater solves the common problem of running out of hot water during peak usage times. Unlike traditional water heaters that store hot water in a tank, the Rheem RTEX-24 heats water on demand, ensuring that you have a reliable supply at all times. Its adjustable digital temperature display allows users to set the temperature in 1-degree increments, ranging from 80 to 140 degrees Fahrenheit, providing precise control over your hot water experience.

Pros

• Continuous hot water supply, eliminating the worry of running out.
• Space-saving design, ideal for small homes or apartments.
• Energy-efficient, reducing utility bills compared to traditional heaters.
• Easily adjustable temperature settings for personalized comfort.

Cons

• Requires significant electrical capacity, which may necessitate upgrades.
• Initial installation costs can be higher than conventional water heaters.

Performance-wise, the Rheem RTEX-24 stands out for its ability to deliver hot water consistently, even in colder climates where ground water temperatures are low. This feature is particularly beneficial for larger households or those with multiple bathrooms. However, potential users should note that the unit’s efficiency can be affected by the temperature of incoming water, which varies by geographic location.

Overall, the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater is best suited for homeowners looking for an efficient, space-saving solution to hot water needs. Its advanced technology and user-friendly controls enhance the overall experience, making it a valuable addition to any modern home.

To buy this product, click here.

EcoSmart ECO 11 Electric Tankless Water Heater

The EcoSmart ECO 11 Electric Tankless Water Heater is designed to provide endless on-demand hot water, making it an ideal solution for homeowners, small businesses, or anyone in need of efficient hot water delivery. Its compact size, measuring just 11.5 x 8 x 3.75 inches, allows for installation in tight spaces, such as under sinks or in small utility rooms, making it perfect for apartments, offices, and breakrooms. This unit operates at 13KW and 240 volts, utilizing patented self-modulating technology to ensure energy efficiency while delivering consistent hot water.

The EcoSmart ECO 11 effectively addresses the common problem of running out of hot water, especially in households with high demand. Unlike traditional tank heaters that continually heat water, this electric tankless model only heats water when needed, resulting in significant energy savings. With a thermal efficiency of 99%, it minimizes energy waste, making it a smart choice for eco-conscious consumers.

Pros

• Provides endless hot water, eliminating the need for a bulky tank.
• Highly energy-efficient, reducing utility bills.
• Compact design saves valuable space.
• Self-modulating technology ensures consistent water temperature.
• Easy installation on walls or at point of use.

Cons

• May require professional installation, adding to initial costs.
• Performance can vary based on inlet water temperature.

The performance of the EcoSmart ECO 11 stands out due to its ability to deliver between 1.3 and 3.1 gallons per minute, depending on the temperature of the incoming water. This makes it suitable for low-flow applications, such as a bathroom sink or a small office. However, users should note that in colder climates, the flow rate may decrease, which could limit its effectiveness for larger households.

Overall, the EcoSmart ECO 11 Electric Tankless Water Heater is best suited for individuals or small businesses seeking a reliable, energy-efficient hot water solution. Its compact design and advanced technology make it a valuable addition to any space where hot water is a necessity.

To buy this product, click here.

ORBEK 14kW Electric Tankless Water Heater

The ORBEK 14kW Tankless Water Heater Electric is designed to provide an instant hot water supply, ideal for households needing efficient hot water for 2-3 points of use simultaneously. With a compact size of 14.2″H x 9.5″L x 3.1″W, this electric heater fits seamlessly into tight spaces, making it suitable for apartments or homes with limited room. Its sleek design and LED digital display enhance its modern appeal while ensuring ease of use.

This tankless water heater solves the common problem of running out of hot water, delivering up to 3.38 gallons per minute (GPM) of on-demand hot water. Unlike traditional tank-style heaters, the ORBEK model heats water in just 3 seconds, providing endless hot water without the wait, which significantly improves the user experience during peak usage times.

Pros

• Instant hot water supply ensures comfort for multiple users.
• High energy efficiency can reduce electricity costs by up to 60%.
• Comprehensive safety features protect against leaks and overheating.
• Stable temperature control maintains water temperature within 1°F.
• Compact design saves space compared to traditional models.

Cons

• Requires a 240V/60AMP two-pole breaker for installation.
• Initial setup may be complex for some users without plumbing experience.

The ORBEK 14kW Tankless Water Heater stands out for its advanced features, including a built-in chip that adjusts heating power 20,000 times per second, ensuring a stable temperature. The LED digital display allows for easy adjustments between 86°F and 140°F, making it user-friendly. However, potential buyers should consider the installation requirements, as it necessitates specific electrical connections.

This product is best suited for families or individuals who value efficiency and convenience in their hot water supply. While it may have a higher upfront cost compared to traditional heaters, the long-term energy savings and reliability make it a worthwhile investment. Overall, the ORBEK 14kW Tankless Water Heater Electric is an excellent choice for those seeking a modern solution to their hot water needs.

To buy this product, click here.

WINTEMP 27kW Electric Tankless Water Heater

The Electric Tankless Water Heater WINTEMP 27kW 240V is designed to provide an on-demand, endless supply of hot water, making it ideal for homeowners seeking efficient and reliable hot water solutions. This unit is perfect for residential use, catering to households with 2-4 usage points, such as showers, sinks, and appliances. With dimensions of 11.1” (W) x 19.1” (H) x 4” (D), this compact heater saves space while delivering impressive performance.

One of the standout features of the WINTEMP 27kW is its ability to maintain a stable water temperature. It automatically adjusts energy consumption based on the incoming water temperature and flow rate, ensuring maximum efficiency and continuous hot water supply. This eliminates the frustration of waiting for water to heat up and prevents temperature fluctuations during showers.

The unit is not only efficient but also energy-saving. Its self-regulating technology allows it to achieve up to 99% energy savings compared to traditional tank water heaters. By reducing power input based on real-time conditions, it can save homeowners up to 60% on electricity costs.

Pros

• Endless hot water supply suitable for multiple outlets.
• Compact design saves up to 90% space compared to traditional tanks.
• WiFi control for convenient temperature adjustments.
• Multiple safety features, including overheat and leakage protection.
• ETL certified for safety assurance.

Cons

• Requires professional installation and specific electrical requirements.
• Higher upfront cost compared to conventional water heaters.
• May not be suitable for larger households with higher demand.

The WINTEMP 27kW Electric Tankless Water Heater excels in performance and usability, making it an excellent choice for those seeking a reliable hot water solution without the bulk of traditional tanks. Its combination of energy efficiency, safety features, and user-friendly controls positions it as a top contender in the market. This product is best suited for small to medium households looking for an efficient way to meet their hot water needs without compromising space or safety.

To buy this product, click here.

Faq about best electric tankless water heater:

1:What is an electric tankless water heater?

An electric tankless water heater heats water on demand without storing it in a tank, providing a continuous supply of hot water.

2:How does a tankless water heater work?

When you turn on the hot water tap, cold water travels through a pipe into the unit, where an electric element heats it instantly.

3:What are the benefits of using an electric tankless water heater?

Benefits include energy efficiency, endless hot water supply, compact size, and reduced risk of leaks compared to traditional tank heaters.

4:Are electric tankless water heaters energy efficient?

Yes, they are more energy-efficient than conventional water heaters since they only heat water when needed, reducing energy waste.

5:How do I choose the best electric tankless water heater?

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

6:What is the average lifespan of an electric tankless water heater?

Typically, electric tankless water heaters last 15 to 20 years with proper maintenance, which is longer than traditional tank water heaters.

7:Do electric tankless water heaters require maintenance?

Yes, regular maintenance, including descaling and checking filters, is essential to ensure optimal performance and longevity.

Conclusion

Both the Rheem 18kW Tankless Electric Water Heater and the Rheem RTEX-24 24kW Electric Water Heater exemplify cutting-edge technology in efficient water heating solutions. The former offers a compact design ideal for smaller spaces, delivering reliable performance with optimal energy conservation.

Conversely, the RTEX-24 stands out with its superior output capacity, catering to larger households while maintaining exceptional energy efficiency. These products collectively represent the pinnacle of modern water heating, providing sustainable comfort and convenience for discerning consumers.