Over 70% of homeowners prefer the best electric tankless hot water heater for energy efficiency.
That’s why the EcoSmart ECO 11 leads the market with its self-modulating technology, ensuring optimal energy use while providing endless hot water.
Few know its compact design not only saves space but also allows for easy installation in tight areas, making it a versatile choice for any home.
Our review covers long-term value vs. rivals, helping you make an informed decision for your hot water needs.
EcoSmart ECO 11 Electric Tankless Water Heater
EcoSmart ECO 11 Electric Tankless Water Heater: 11.5” x 8” x 3.75”, ABS plastic, 2-year warranty.
Benefits
- Provides 1.3 to 3.1 gallons-per-minute depending on inlet water temperature.
Drawbacks
- Requires 54 amp circuit for operation.
This tankless water heater is designed for efficiency and space-saving, making it ideal for small homes or apartments. It heats water on demand, meaning you never run out of hot water, which is a significant advantage over traditional tank heaters. The EcoSmart ECO 11 is 90% smaller than conventional units, allowing for installation in tight spaces, such as under sinks or in closets.
With its patented self-modulating technology, it continuously monitors water temperature and flow rates, ensuring consistent performance within 1 degree of your selected temperature. This feature not only enhances user experience but also contributes to energy savings, as it only heats water when needed.
However, potential users should note that the unit requires a 54 amp circuit, which may necessitate additional electrical work. Additionally, while it is energy efficient, it lacks the ability to provide hot water for multiple high-demand outlets simultaneously, making it less suitable for larger households.
Overall, the EcoSmart ECO 11 is a practical pick for small spaces, providing reliable on-demand hot water with energy-saving benefits.
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Rheem 18kW Tankless Electric Water Heater
Rheem 18kW 240V Tankless Electric Water Heater: 18kW power, durable copper heating elements, external digital thermostatic control with LED display, 2-year warranty.
Benefits
- Flow rate up to 4.4 GPM ensures a steady supply of hot water for multiple outlets simultaneously.
Drawbacks
- Requires professional installation which may increase initial costs.
The Rheem 18kW Tankless Water Heater provides efficient hot water on demand, making it ideal for households with moderate to high hot water needs. Its advanced self-modulation technology adjusts power usage based on demand, ensuring energy efficiency while providing a consistent flow rate. The external digital thermostatic control allows for precise temperature adjustments, with a +/- 1-degree accuracy that caters to your specific preferences.
However, potential buyers should note that installation requires professional assistance, which could add to overall expenses. Additionally, while the heater is designed for durability and performance, it does not have any smart features, limiting remote control options.
This unit is a practical pick for small spaces, as it eliminates the need for a bulky tank, allowing for more efficient use of available area. With its compact design and powerful performance, the Rheem 18kW Tankless Electric Water Heater is a solid investment for those seeking reliable hot water solutions without the hassle of traditional tank systems.
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ORBEK 14kW Electric Tankless Water Heater
14kW Tankless Water Heater Electric: 14.2”H x 9.5”L x 3.1”W, ETL certified, 2-year warranty.
Benefits
- Provides up to 3.38 GPM of instant hot water for 2-3 points of use simultaneously.
Drawbacks
- Requires professional installation for optimal performance.
The Orbek 14kW Tankless Water Heater is an efficient solution for hot water needs. It delivers endless hot water in just 3 seconds, making it ideal for busy households. Its energy efficiency is noteworthy, potentially reducing electricity costs by up to 60% compared to traditional tank heaters. The advanced safety features, including leakage and over-temperature protection, ensure peace of mind during operation.
The LED digital display is user-friendly, allowing easy temperature adjustments between 86°F and 140°F. Its compact design saves valuable space, fitting seamlessly into small areas. However, it is essential to note that professional installation is recommended due to its electrical requirements, which may deter some users.
This product is a practical pick for small spaces and those seeking a reliable and efficient hot water solution. With rigorous testing and a robust warranty, the Orbek tankless water heater is a solid investment for modern homes.
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Rheem 11kW Electric Tankless Water Heater
Rheem 11kW 240V Tankless Electric Water Heater: 11kW power, self-modulating control, flow rate of up to 2.68 GPM, side 1/2″ NPT water connections, adjustable digital temperature display, 2-year warranty.
Benefits
- Provides continuous hot water without running out, making it ideal for busy households.
- Compact design fits easily in small spaces, saving valuable room.
- Energy-efficient operation reduces utility bills compared to traditional tank heaters.
Drawbacks
- Requires professional installation, which may add to initial costs.
- Limited flow rate may not suffice for simultaneous multiple hot water demands.
Ideal user: A practical pick for small spaces and those seeking an efficient, on-demand hot water solution.
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ORBEK 18kW Electric Tankless Water Heater
Product: 18kW Tankless Water Heater Electric, ORBEK Instant On Demand Hot Water Heater 240V, Up to 4.17 GPM, Supply for 2-3 Fixtures Simultaneously, within 1℉ Stable Temp, ETL Certified, Indoor Installation.
Key Specs: 12” long, ABS plastic, 2-year warranty.
Benefits
- Provides up to 4.17 GPM of instant hot water for multiple fixtures.
- High energy efficiency can reduce electricity costs by up to 60% compared to traditional heaters.
- Stable temperature control maintains water temperature within 1°F for consistent comfort.
- Compact design saves over 50% of space, ideal for small areas.
- Comprehensive security protection includes features like leakage and over-temperature protection.
Drawbacks
- No dishwasher-safe parts, requiring manual cleaning.
This tankless water heater is a practical pick for small spaces, providing efficient hot water on demand while ensuring safety and energy savings. Its compact size and advanced features make it suitable for modern homes needing reliable hot water without the bulk of traditional tanks.
To buy this product, click here.
Faq about best electric tankless hot water heater:
1:What is an electric tankless hot water heater?
An electric tankless hot water heater heats water on demand, providing hot water without the need for a storage tank.
2:How does an electric tankless hot water heater work?
It uses electric coils to heat water as it flows through the unit, ensuring a continuous supply of hot water.
3:What are the benefits of using an electric tankless hot water heater?
Benefits include energy efficiency, space-saving design, and the ability to supply hot water instantly.
4:Are electric tankless hot water heaters energy-efficient?
Yes, they are more energy-efficient than traditional water heaters, as they only heat water when needed.
5:What size electric tankless hot water heater do I need?
Size depends on your hot water demand; consider factors like the number of faucets and appliances used simultaneously.
6:How long do electric tankless hot water heaters last?
They typically last 15 to 20 years with proper maintenance, outlasting conventional water heaters.
7:Can I install an electric tankless hot water heater myself?
Professional installation is recommended for safety and to meet local building codes.
Conclusion
Both the EcoSmart ECO 11 and the Rheem 18kW Tankless Electric Water Heater exemplify the pinnacle of efficiency and innovation in hot water solutions. The EcoSmart ECO 11 stands out for its compact design and energy-saving capabilities, making it an ideal choice for smaller households seeking optimal performance.
Conversely, the Rheem 18kW model offers robust heating power, catering to larger demands while maintaining exceptional energy efficiency. Each product presents distinct advantages, ensuring that consumers can select a unit that aligns seamlessly with their specific requirements and preferences.