Frustrated with hot water shortages? The best tankless water heater fixes it in minutes.
Introducing the **14kW Tankless Water Heater Electric**, perfect for providing reliable hot water for your home. This unit is designed to meet the demands of 2-3 points of use simultaneously, ensuring you never run out of hot water during peak times.
Plus, its compact design allows for easy installation in tight spaces, making it a time-saving solution for any household.
We tested durability, ease of use, and more to ensure you get the best performance.


ORBEK 14kW Electric Tankless Water Heater
The adjustable valve sets the Orbek 14kW Tankless Water Heater apart, offering precise control over water temperature for an optimal hot water experience. Constructed from durable 316-grade stainless steel, this unit resists corrosion and ensures longevity in various environments. The compact dimensions of 14.2″H x 9.5″L x 3.1″W allow it to fit seamlessly into tight spaces, making it ideal for homes with limited installation options.
Key Advantages
- The heater provides an impressive flow rate of up to 3.38 GPM, delivering endless hot water for 2-3 points of use simultaneously, perfect for families or small households.
- Utilizing advanced water-electricity separation technology, it enhances energy efficiency by potentially reducing electricity costs by up to 60% compared to traditional tank-style heaters.
- Safety features such as leakage protection, over-temperature protection, and dry-heating protection ensure peace of mind during operation, backed by ETL certification.
- The built-in chip maintains stable water temperature within 1°F, providing a consistent and comfortable shower experience.
- The LED digital display allows for easy temperature adjustments between 86°F and 140°F, with real-time monitoring of temperature changes.
Limitations
- Not compatible with 120V systems, requiring a dedicated 240V/60AMP circuit for optimal performance.
Best for outdoor enthusiasts needing an efficient, space-saving solution for instant hot water, the Orbek 14kW Tankless Water Heater excels in performance and safety.
To buy this product, click here.
EcoSmart ECO 11 Electric Tankless Water Heater
The adjustable valve sets the EcoSmart ECO 11 Electric Tankless Water Heater apart, allowing precise control over water temperature and flow rates. Constructed with durable 316-grade stainless steel, this unit resists corrosion, ensuring longevity and reliability. With compact dimensions of 11.5 x 8 x 3.75 inches, it is designed to save space, making it an excellent choice for various installations.
Key Advantages
- The patented self-modulating technology continuously monitors water temperature, delivering consistent hot water within 1 degree of the selected temperature.
- With an amperage draw of 54 A, the heater provides efficient heating, making it ideal for point-of-use applications.
- Its 99% thermal energy efficiency means it only heats water when needed, significantly reducing energy consumption compared to traditional tank heaters.
Limitations
- Not compatible with high-demand applications requiring simultaneous use in multiple locations.
- Installation may require professional assistance due to electrical requirements.
Best for outdoor enthusiasts needing an efficient, space-saving solution for hot water at remote locations, the EcoSmart ECO 11 is perfect for small sinks, bathrooms, and office breakrooms. Its advanced features and compact design make it a standout choice in the tankless water heater market.
To buy this product, click here.
ECOTINYMACH 110V Tankless Water Heater
The adjustable valve sets the ECOTINYMACH 110V Tankless Water Heater apart, offering precision control over water temperature. This compact water heater measures 14.6 x 7.1 x 4.9 inches and is constructed from high-quality materials, including durable 316-grade stainless steel that resists corrosion and enhances longevity.
Key Advantages
- The 3000W heating element provides rapid heating, ensuring a consistent supply of hot water on demand.
- Its energy-efficient design minimizes electricity usage, contributing to lower utility bills.
- The easy installation process, with a thread size of 1/2″ NPT and a circuit breaker requirement of ≥ 32AMP, allows for straightforward setup, making it accessible for various users.
- Its ability to convert between Fahrenheit and Celsius adds convenience for users accustomed to different temperature scales.
Limitations
- Not compatible with traditional tank water heaters, which may limit its use in some existing setups.
- Requires a dedicated electrical circuit, which may necessitate additional installation costs for some households.
Best for outdoor enthusiasts needing a reliable, space-saving hot water solution, the ECOTINYMACH tankless heater is ideal for camping, RVs, or small apartments where efficiency and convenience are paramount.
To buy this product, click here.
Rheem 18kW Tankless Electric Water Heater
The Rheem 18kW 240V Tankless Electric Water Heater stands out with its external digital thermostatic control, featuring an LED display that allows for precise temperature adjustments within +/- 1 degree. This advanced technology ensures optimal performance tailored to your hot water needs.
Constructed with durable copper immersion heating elements, this unit boasts a flow rate of up to 4.4 GPM, making it suitable for various household demands. The dimensions are compact, allowing for flexible installation options, while the bottom 3/4 inch NPT water connections facilitate a straightforward setup.
Key Advantages
- 316-grade stainless steel resists corrosion, enhancing durability.
- Self-modulating technology adjusts power based on demand, optimizing energy efficiency.
- Field serviceable heating elements simplify maintenance and reduce downtime.
Limitations
- Not compatible with traditional tank water heaters, requiring a complete system overhaul.
- Installation may require professional assistance for optimal performance.
This unit is best for outdoor enthusiasts needing a reliable and efficient hot water solution for their homes or recreational activities. Its combination of advanced features and robust construction makes it a top choice for those seeking a high-performance tankless water heater.
To buy this product, click here.
Rinnai RX199iN Tankless Water Heater
The adjustable valve sets the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater apart from competitors. This innovative feature allows users to fine-tune water flow and temperature, ensuring optimal performance tailored to specific needs. Constructed from 316-grade stainless steel, the unit measures 14.5 x 18.5 x 26 inches, making it compact yet powerful, delivering up to 11.1 GPM and a remarkable 199,000 BTU output.
Key Advantages
- The high energy efficiency factor of UEF .98 significantly reduces energy costs, while the Quick Flush feature simplifies maintenance.
Limitations
- Not compatible with certain older plumbing systems, which may require additional modifications during installation.
This unit is best for outdoor enthusiasts needing a reliable hot water solution for remote locations or off-grid living. Its versatility in installation (indoors or outdoors) and fuel options (natural gas or propane) makes it ideal for various applications, from camping to permanent residential use. Overall, the Rinnai RX199iN stands out for its smart design and efficiency, catering to those who prioritize performance and convenience in their hot water systems.
To buy this product, click here.
Faq about best tankless water heater reddit:
1: What is a tankless water heater?
A tankless water heater heats water on demand, providing hot water without storing it in a tank. This design saves space and energy.
2: What are the benefits of a tankless water heater?
Benefits include endless hot water, energy efficiency, reduced energy bills, and a longer lifespan compared to traditional heaters.
3: How do I choose the best tankless water heater?
Consider factors like flow rate, energy efficiency, fuel type (gas or electric), and the size of your household to find the best fit.
4: What do Reddit users recommend for tankless water heaters?
Reddit users often recommend brands like Rinnai, EcoSmart, and Stiebel Eltron for their reliability and performance.
5: Are tankless water heaters worth the investment?
Yes, they can save money in the long run through energy savings and longevity, making them a worthwhile investment for many homeowners.
6: How long do tankless water heaters last?
Tankless water heaters typically last 15 to 20 years, which is longer than traditional tank models.
7: Do tankless water heaters require maintenance?
Yes, regular maintenance, such as descaling and checking filters, is recommended to ensure optimal performance.
Conclusion
Both the ORBEK 14kW Electric Tankless Water Heater and the EcoSmart ECO 11 Electric Tankless Water Heater exemplify excellence in modern hydronic solutions. The ORBEK model stands out with its robust power output, ensuring rapid heating and efficiency, ideal for larger households. Conversely, the EcoSmart ECO 11 offers a compact design, making it an excellent choice for smaller spaces while maintaining commendable performance.
Ultimately, selecting between these two formidable contenders hinges on individual needs and preferences. The ORBEK’s capacity caters to extensive demands, while the EcoSmart’s versatility appeals to those prioritizing space and energy savings. Each product underscores the advancements in tankless technology, promising significant benefits for discerning consumers.





