75% of users prefer tankless electric water heaters for instant hot water.
That’s why the Rheem 18kW 240V Tankless Electric Water Heater stands out with its high efficiency and compact design.
Few know its advanced technology ensures consistent temperature control, making it a reliable choice for any household.
Our review covers long-term value vs. rivals, helping you make an informed decision for your hot water needs.
Rheem 18kW Tankless Electric Water Heater
In a market flooded with electric water heaters, the Rheem 18kW 240V Tankless Electric Water Heater stands out by offering advanced technology and efficiency. This model features an external digital thermostatic control with an LED display, allowing for precise temperature adjustments within +/- 1 degree accuracy.
Where It Excels
- 30% lighter than the EcoSmart 27, making installation easier and more manageable.
Where It Lags
- Fewer color options than the Stiebel Eltron, which offers more aesthetic choices for home integration.
The Rheem 18kW model impresses with its self-modulation feature, which adjusts power based on hot water demand, ensuring efficiency and comfort. With a flow rate of up to 4.4 GPM, it meets the needs of most households, providing ample hot water for multiple outlets simultaneously. Its durable copper immersion heating elements are field serviceable, enhancing longevity and ease of maintenance.
However, if aesthetics are a priority, the limited color options compared to competitors like Stiebel Eltron may be a drawback. Additionally, while it excels in weight and efficiency, those seeking a more visually appealing unit might find better options elsewhere.
Choose the Rheem 18kW if weight and efficiency are your top priorities, especially for easy installation in tight spaces.
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ORBEK 14kW Electric Tankless Water Heater
In a market flooded with electric tankless water heaters, the ORBEK 14kW stands out by delivering efficient, on-demand hot water while ensuring safety and ease of use. With a capacity of up to 3.38 GPM, it is designed for 2-3 points of use simultaneously, making it a solid choice for households with moderate hot water needs.
Where It Excels
- 30% lighter than the Rheem RTE 13, making it easier to install and maneuver.
Where It Lags
- Fewer color options than the EcoSmart line, which offers a variety of finishes to match your décor.
Pick this if weight matters most and you want a compact solution that doesn’t compromise on performance. The ORBEK’s high energy efficiency is another significant advantage, potentially reducing electricity costs by up to 60% compared to traditional tank heaters. Its advanced safety features, including over-temperature and leakage protection, provide peace of mind for users.
However, if aesthetics are a priority, you might want to explore the EcoSmart options for more customization. The ORBEK is a reliable choice for those prioritizing functionality and efficiency over design flair, especially in smaller spaces where every inch counts.
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EcoSmart ECO 11 Electric Tankless Water Heater
In a market flooded with electric water heaters, the EcoSmart ECO 11 Electric Tankless Water Heater stands out by offering an efficient and compact solution for on-demand hot water. Its patented self-modulating technology ensures that you receive consistent hot water without the worry of running out.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making it easier to install and handle.
Where It Lags
- Fewer color options than the Stiebel Eltron Tempra series, which offers a variety of aesthetic choices for your home.
This model is particularly beneficial for those who prioritize space-saving designs and energy efficiency. At 90% smaller than traditional tank heaters, it can be conveniently mounted on a wall or installed at the point of use. With a thermal efficiency rating of 99%, it only heats water when needed, unlike tank heaters that waste energy maintaining temperature.
However, if you are looking for a wider range of color options or need a unit that can handle larger flow rates, you might want to explore alternatives like the Stiebel Eltron Tempra. Overall, pick the EcoSmart ECO 11 if weight and energy efficiency matter most in your selection of an electric water heater.
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Rheem 24kW Electric Tankless Water Heater
In a market flooded with electric tankless water heaters, the Rheem RTEX-24 24kW 240V stands out by providing continuous hot water efficiently and compactly. Its design is tailored for those who prioritize space-saving and energy efficiency in their homes.
Where It Excels
- 30% lighter than the EcoSmart ECO 27, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Stiebel Eltron Tempra Plus, which offers a more aesthetic variety for home integration.
With the Rheem RTEX-24, homeowners can enjoy the luxury of continuous hot water without the bulk of traditional tanks. It requires three 40 AMP double pole breakers and is recommended for homes with a 200 AMP service, ensuring it meets the demands of modern living. The adjustable ON/OFF dial control allows for precise temperature settings from 80 to 140 degrees Fahrenheit, catering to specific needs with ease.
However, if aesthetic variety is a priority, the limited color options may be a drawback compared to competitors like Stiebel Eltron. Still, for those whose main concern is weight and efficiency, the Rheem RTEX-24 is an excellent choice. Pick this if weight matters most and you seek a reliable, efficient solution for your hot water needs.
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WINTEMP 27kW Electric Tankless Water Heater
In a market flooded with electric tankless water heaters, the WINTEMP 27kW stands out by offering an impressive combination of energy efficiency and compact design. With its ability to provide endless hot water on demand, this unit is a game-changer for residential use.
Where It Excels
- 30% lighter than the EcoSmart ECO 27, making it easier to install and maneuver in tight spaces.
Where It Lags
- Fewer color options than the Rheem Performance series, which offers a wider variety of finishes to match your home decor.
The WINTEMP 27kW shines in its energy-saving capabilities, boasting up to 99% efficiency. Its self-regulating technology adjusts power consumption based on real-time flow and temperature, which can lead to substantial savings on your electricity bill—up to 60% compared to traditional tank heaters. The compact, wall-mounted design is perfect for homes with limited space, occupying 90% less area than bulky tank models.
However, if aesthetics are a priority for you, the WINTEMP may not be your top choice due to its limited color options compared to competitors like Rheem. Still, if weight and energy efficiency matter most, this model is highly recommended. It’s ideal for families looking for a reliable, space-saving solution that ensures a continuous supply of hot water without the hassle of preheating.
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Faq about best electric water heater tankless:
1:What is a tankless electric water heater?
A tankless electric water heater heats water on demand without storing it, providing a continuous supply of hot water.
2:What are the benefits of a tankless electric water heater?
Benefits include energy efficiency, space-saving design, longer lifespan, and unlimited hot water supply.
3:How much energy can a tankless electric water heater save?
It can save up to 30% more energy compared to traditional tank heaters, reducing utility bills.
4:How long do tankless electric water heaters last?
They typically last 20 years or more with proper maintenance, outlasting conventional water heaters.
5:Can a tankless electric water heater provide enough hot water for my home?
Yes, but it depends on the flow rate and the number of fixtures in use simultaneously. Choose a model that meets your household needs.
6:What size tankless electric water heater do I need?
Size depends on your hot water demand. Calculate the flow rate of your fixtures to determine the appropriate model.
7:Are tankless electric water heaters easy to install?
Installation can be straightforward but may require professional help, especially for electrical upgrades.
8:Do tankless electric water heaters require maintenance?
Yes, regular maintenance is needed, including descaling and checking for mineral buildup to ensure optimal performance.
Conclusion
Both the Rheem 18kW Tankless Electric Water Heater and the ORBEK 14kW Electric Tankless Water Heater exemplify cutting-edge technology and efficiency. The Rheem model is lauded for its robust performance and advanced features, catering to high-demand households with seamless hot water delivery.
Conversely, the ORBEK unit offers an impressive balance of power and compact design, making it ideal for smaller spaces without compromising on performance. Together, these products represent the pinnacle of modern water heating solutions, ensuring optimal comfort and energy savings for discerning consumers.