Struggling with inconsistent hot water? A tankless water heater is the efficient solution that provides endless hot water on demand.
The core purpose of a tankless water heater is to deliver instant hot water without the limitations of a traditional tank. Top products like the EcoSmart ECO 11 and ORBEK 240 Volt provide reliable performance, ensuring you never run out of hot water. One key benefit is their energy efficiency, saving you money on utility bills while providing comfort.
Standout features include the patented self-modulating technology of the EcoSmart, which optimizes energy use, and the LED digital display on the ORBEK, simplifying temperature control. These innovations make them the go-to choices for modern households.
In our full review, we break down performance, durability, and more to help you choose the right tankless water heater for your needs.


ORBEK 14kW Electric Tankless Water Heater
The ORBEK 14kW Tankless Water Heater Electric is designed to provide an instant hot water supply, ideal for homeowners or small businesses needing efficient hot water solutions. With a compact size of 14.2″H x 9.5″L x 3.1″W, it fits seamlessly into tight spaces, making it perfect for apartments or homes with limited installation areas. This unit operates on a 240V/60AMP system and can simultaneously support 2-3 points of use, delivering up to 3.38 gallons per minute (GPM) of hot water.
This innovative heater addresses the common issues of traditional water heaters, such as long wait times for hot water and high energy costs. The ORBEK model utilizes advanced technology to provide hot water in just 3 seconds while maintaining high energy efficiency, potentially reducing electricity costs by up to 60% compared to conventional tank-style heaters.
Pros
- Instant Hot Water Supply: Delivers hot water on demand, eliminating wait times.
- High Energy Efficiency: Reduces electricity costs significantly.
- Comprehensive Safety Features: ETL certified with protections against leakage, over-temperature, and dry heating.
- Stable Temperature Control: Maintains a consistent water temperature within 1°F for optimal comfort.
- Compact Design: Saves space and fits easily into various home layouts.
Cons
- Requires Specific Electrical Setup: Needs a 240V/60AMP breaker and appropriate wiring.
- Initial Investment: Higher upfront cost compared to traditional water heaters.
- Limited to 2-3 Points of Use: May not suffice for larger households needing more simultaneous hot water access.
The ORBEK 14kW Tankless Water Heater stands out for its performance and reliability. Its LED digital display allows for easy temperature adjustments, ranging from 86°F to 140°F, with real-time updates. This feature, combined with the heater’s quick response to temperature changes, enhances the user experience significantly. While it does require specific electrical configurations and has a higher upfront cost, its long-term energy savings and efficient hot water delivery make it a valuable investment for those seeking a modern solution to their hot water needs.
Overall, the ORBEK tankless water heater is best suited for small to medium-sized households or businesses that prioritize energy efficiency and instant hot water access.
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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 ideal for homeowners and small businesses needing efficient hot water solutions. Its compact size of 11.5 x 8 x 3.75 inches and lightweight design allow for easy installation on walls or at point-of-use locations, making it perfect for bathrooms, small sinks, and office breakrooms. Made from durable materials, this unit boasts a sleek design that complements modern interiors while ensuring reliable performance.
This tankless water heater addresses the common problem of running out of hot water, offering consistent hot water delivery without the limitations of traditional tank heaters. With its patented self-modulating technology, the EcoSmart ECO 11 continuously monitors water temperature and controls flow rates, ensuring efficiency and consistent performance within 1 degree of your selected temperature. This feature not only enhances user experience but also contributes to energy savings.
Pros
- Endless hot water supply eliminates the frustration of running out during showers.
- Compact design saves valuable space compared to traditional tank heaters.
- 99% thermal energy efficiency reduces energy costs by heating water only when needed.
- Easy installation process suitable for various locations and applications.
Cons
- May require electrical upgrades for optimal performance due to its 54 A amperage draw.
- Performance can vary based on inlet water temperature, limiting effectiveness in colder climates.
The EcoSmart ECO 11 excels in performance with its ability to provide between 1.3 and 3.1 gallons-per-minute, depending on the inlet water temperature. This makes it particularly well-suited for low-flow applications, ensuring you have hot water when you need it most. While it has some limitations regarding electrical requirements and performance in colder regions, its benefits far outweigh these drawbacks.
In summary, the EcoSmart ECO 11 Electric Tankless Water Heater is an excellent choice for those seeking a reliable, energy-efficient hot water solution. Ideal for small households or businesses, it offers a seamless experience with its innovative features and compact design.
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Propane Gas Tankless Water Heater 14L
The Tankless Water Heater Propane Gas is designed to provide instant hot water on demand, making it ideal for households needing efficient and reliable heating solutions. This unit is particularly suited for families with diverse hot water needs, such as indoor showers, kitchen chores, and garage projects. With a flow rate of 14 liters per minute (3.7 GPM) and a powerful 95,540 BTU input, this heater ensures you never run out of hot water.
Constructed with industrial-grade materials, the heater features high-quality metal housing and a UL-certified stainless steel vent pipe. This ensures durability against indoor humidity and acidic gas byproducts, while also minimizing limescale buildup. The sleek design is not only functional but also aesthetically pleasing, making it a great addition to any home.
One standout feature is the Fahrenheit/Celsius digital display, which allows users to easily switch temperature units and monitor real-time water temperature. This is particularly beneficial for families with children or elderly members, as it includes an automatic overheat warning that activates at 125°F (52°C) to prevent scalding. Additionally, the multi-layer safety system ensures reliable operation, with features like gas leak detection and overheat protection.
Pros
- Instant hot water eliminates preheating delays, enhancing user convenience.
- Durable construction withstands humidity and prevents limescale buildup.
- Digital display offers precise temperature control for safety and comfort.
- Multi-layer safety system provides peace of mind with built-in safety features.
Cons
- Requires professional indoor installation, adding to upfront costs.
- Compatibility limited to propane gas, restricting options for some users.
In real-world usability, the Tankless Water Heater Propane Gas excels at providing consistent hot water without the wait, making it best suited for larger households or those with high hot water demands. While the need for professional installation may deter some, the long-term benefits and safety features outweigh this drawback. Overall, this product represents a valuable investment for anyone seeking efficient and reliable hot water solutions.
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ECOTINYMACH 110V Electric Tankless Water Heater
The ECOTINYMACH 110V Tankless Water Heater is designed to provide instant hot water, making it ideal for homeowners and renters looking to optimize their water heating solutions. This compact water heater is perfect for under-sink installations, catering to spaces where traditional water heaters may be too bulky. With a power output of 3000W, this model efficiently heats water on demand, ensuring you never run out of hot water when you need it most.
Key specifications include a compact design that saves space, a convertible temperature scale that allows users to switch between Fahrenheit and Celsius, and easy installation features that simplify the setup process. The materials used in the construction ensure durability and longevity, providing a reliable solution for various residential needs.
One of the main advantages of the ECOTINYMACH Tankless Water Heater is its energy efficiency. Unlike traditional tank heaters, this model heats water only when needed, which can lead to significant savings on energy bills. It also helps reduce your carbon footprint, making it an environmentally friendly choice. The easy installation process means that even those with minimal DIY skills can set it up without hassle, ensuring a smooth user experience.
Pros
- Energy-efficient design saves on utility bills.
- Compact size fits easily under sinks, maximizing space.
- Convertible temperature scale for user convenience.
- Quick and straightforward installation process.
- Durable materials ensure long-lasting performance.
Cons
- Requires a circuit breaker of at least 32AMP, which may necessitate electrical upgrades.
- Limited to under-sink installations, which may not suit all users.
- Price point may be higher than traditional tank heaters.
In terms of performance, the ECOTINYMACH Tankless Water Heater stands out with its ability to provide consistent hot water without the wait. It is best suited for small households or individuals who prioritize efficiency and space-saving solutions. Minor drawbacks include the need for specific electrical requirements and its niche installation capability. Overall, this tankless water heater represents excellent value for those seeking a reliable, eco-friendly water heating solution.
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Rinnai Natural Gas Tankless Water Heater
The Natural Gas Tankless Water Heater is designed to provide instant hot water on demand, making it ideal for homeowners seeking efficiency and convenience. This model is particularly suited for medium to large households requiring a reliable hot water source for multiple fixtures, such as showers, sinks, and appliances. With a flow rate of 14 liters per minute (3.7 GPM) and a powerful input of 95,540 BTU, it ensures a consistent supply of hot water without the need for preheating.
Constructed from high-quality metal housing and featuring a UL-certified stainless steel vent pipe, this water heater is built to withstand indoor humidity and resist limescale buildup. Its sleek design allows for easy integration into various indoor settings, while the dual Fahrenheit and Celsius digital display offers real-time temperature monitoring, enhancing user experience.
Pros
- Instant Hot Water: Eliminates wait times, providing hot water within seconds.
- Durability: Made from industrial-grade materials that resist rust and limescale.
- Safety Features: Includes overheat protection and gas leak detection for peace of mind.
- Easy Temperature Control: Dual digital display allows for quick temperature adjustments.
Cons
- Professional Installation Required: Complex setup necessitates qualified technicians.
- Natural Gas Only: Not suitable for electric applications, limiting its use in some homes.
This Natural Gas Tankless Water Heater stands out for its performance and reliability, making it an excellent choice for families who prioritize fast and efficient hot water access. While it excels in delivering hot water on demand, the requirement for professional installation and its compatibility with natural gas only may limit its appeal to some users. Overall, this unit offers a valuable solution for those looking to upgrade their hot water system with a modern, efficient design.
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Faq about Dual Tankless Water Heaters:
1:What is a dual tankless water heater?
A dual tankless water heater heats water on demand using two heating units, ensuring a continuous supply of hot water for multiple outlets simultaneously.
2:What are the benefits of a dual tankless water heater?
Benefits include endless hot water, energy efficiency, reduced space requirements, and lower utility bills compared to traditional tank systems.
3:How do I install a dual tankless water heater?
Installation involves mounting the units on a wall, connecting to the water supply, and ensuring proper venting. Professional installation is recommended for optimal performance.
4:Can a dual tankless water heater save money?
Yes, dual tankless water heaters can save money by reducing energy consumption, as they heat water only when needed, eliminating standby heat loss.
5:What maintenance is required for a dual tankless water heater?
Regular maintenance includes descaling the system annually, checking filters, and inspecting for leaks to ensure efficient operation and longevity.
6:Are dual tankless water heaters suitable for large homes?
Yes, they are ideal for large homes as they can provide sufficient hot water for multiple fixtures at once without running out.
Conclusion
The ORBEK 14kW Electric Tankless Water Heater exemplifies efficiency and reliability, offering a robust solution for instantaneous hot water needs. Its compact design and advanced technology ensure optimal performance, making it an excellent choice for modern households.
Conversely, the EcoSmart ECO 11 Electric Tankless Water Heater stands out for its energy-saving capabilities and user-friendly features. Its precise temperature control and eco-friendly design cater to environmentally conscious consumers, delivering consistent hot water while reducing energy costs.




