best electric flow through water heater that will surprise you
Struggling with inconsistent hot water? A tankless electric water heater can provide endless hot water on demand.
A tankless electric water heater’s core purpose is to deliver hot water efficiently. Top products like the Rheem 18kW 240V Tankless Electric Water Heater and the WINTEMP 27kW 240V Electric Tankless Water Heater ensure you never run out of hot water. A key benefit is their compact design, which saves space while providing reliable performance.
Standout features include the LED digital display for easy temperature monitoring and WiFi control for convenient operation. These units simplify hot water management, making them ideal for both small apartments and larger homes.
In our full review, we break down performance, durability, and more to help you choose.
Rheem 18kW Tankless Electric Water Heater
Rheem 18kW 240V Tankless Electric Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Flow Rate: Up to 4.4 GPM, ensuring a steady supply of hot water.
- Digital Control: External digital thermostatic control with LED display offers +/- 1 degree accuracy.
- Self-Modulation: The most advanced self-modulation technology adjusts power to meet hot water demand efficiently.
- Durability: Features durable copper immersion two heating elements that are field serviceable.
- Easy Installation: Simple installation with bottom 3/4 inch NPT water connections, making it user-friendly.
Drawbacks
- Replacement Parts: While designed for easy replacement, specialized parts may not be readily available at local stores.
- No Dishwasher-Safe Parts: All components require careful handling, as they are not dishwasher-safe.
A practical pick for small spaces, the Rheem 18kW tankless water heater is ideal for those seeking an efficient and reliable hot water solution without taking up much room. Its advanced features and user-friendly design make it a top choice for homeowners looking to save space while enjoying consistent hot water supply.
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ORBEK 14kW Electric Tankless Water Heater
Orbek 14kW Tankless Water Heater: 14” long, ABS plastic, 2-year warranty.
Benefits
- Provides up to 3.38 GPM of instant hot water for 2-3 points of use simultaneously.
- High energy efficiency reduces electricity costs by up to 60% compared to traditional heaters.
- Stable temperature control maintains water temperature within 1°F for a comfortable experience.
- LED digital display allows for easy temperature adjustments between 86°F and 140°F.
- Compact size saves over 50% of space compared to traditional tank heaters.
Drawbacks
- Requires professional installation with specific electrical requirements (240V/60AMP).
- No built-in storage for hot water; it provides on-demand heating only.
A practical pick for small spaces and those seeking an efficient hot water solution, the Orbek 14kW Tankless Water Heater excels in delivering instant hot water while conserving energy. Its compact design and advanced features make it ideal for modern homes looking to optimize space and efficiency.
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WINTEMP Electric Tankless Water Heater 27kW
Electric Tankless Water Heater WINTEMP 27kW: 11.1” (W) x 19.1” (H) x 4” (D), ETL certified, 2-year warranty.
Benefits
- Provides up to 6.5 GPM for continuous hot water supply.
Drawbacks
- Requires professional installation for optimal performance.
The WINTEMP 27kW tankless water heater is designed for efficiency and convenience. With a compact size, it occupies 90% less space than traditional tank heaters, making it ideal for small homes or apartments. Its self-regulating technology ensures stable water temperature by adjusting energy consumption based on incoming water conditions, which significantly reduces energy costs—up to 60% compared to standard heaters.
Safety features, including leakage and overheat protection, provide peace of mind during use. The WiFi control allows for easy temperature adjustments from anywhere in the home, enhancing user convenience. However, it’s important to note that this unit requires professional installation due to its electrical specifications, which may be a drawback for some users.
Overall, the WINTEMP 27kW electric tankless water heater is a practical pick for small spaces looking for an endless supply of hot water without the bulk of traditional systems.
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Rheem 24kW Electric Tankless Water Heater
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
Drawbacks
- No dishwasher-safe parts.
The Rheem RTEX-24 is an efficient electric tankless water heater designed for continuous hot water supply. With a compact size of just 12 inches, it fits well in small spaces, making it ideal for apartments or homes with limited room. The unit is constructed from durable ABS plastic, ensuring longevity and reliability. The 2-year warranty adds peace of mind for users.
One of the standout features is its ability to deliver continuous hot water, making it suitable for households that require a steady supply for multiple uses. The adjustable ON/OFF dial control allows users to set their desired temperature in 1-degree increments from 80-140 degrees Fahrenheit, providing flexibility based on personal preference. Additionally, the unit is energy-efficient, helping to save on utility bills while providing hot water on demand.
However, it’s important to note that there are no dishwasher-safe parts, which may be a drawback for some users seeking easy maintenance. Overall, the Rheem RTEX-24 is a practical pick for small spaces, delivering reliable performance and efficiency for any household looking to optimize their hot water supply.
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BOSCH Tronic 3000 T Mini-Tank Water Heater
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5): 13.75” W x 13.75” H x 10.75” D, glass-lined, 2-year warranty.
Benefits
- Provides hot water on demand for up to 2 sinks at a time.
- 98% thermal efficiency ensures minimal energy waste.
- Independent installation with a 36-37″ cord for easy setup.
- Versatile mounting options: shelf, wall, or floor.
Drawbacks
- Requires 120V outlet for operation.
- No built-in temperature control for precise adjustments.
The BOSCH Electric Mini-Tank Water Heater is a practical solution for those needing immediate hot water in small spaces. Its compact size allows it to fit conveniently under sinks, eliminating the long wait for hot water. With a capacity of 2.5 gallons, it efficiently serves multiple sinks simultaneously, making it ideal for kitchens or bathrooms where hot water is frequently needed. Its high thermal efficiency of 98% maximizes energy use, ensuring you get the most from your investment.
However, be aware that it requires a 120V outlet and lacks built-in temperature control, which may limit some users. Overall, the BOSCH Electric Mini-Tank Water Heater is a great choice for anyone looking to enhance their hot water access in compact living spaces.
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Faq about best electric flow through water heater:
1:What is an electric flow through water heater?
An electric flow through water heater heats water on demand, providing instant hot water without a storage tank.
2:How does it work?
It uses electric heating elements to warm water as it flows through the unit, ensuring a continuous supply of hot water.
3:What are the benefits?
Benefits include energy efficiency, space-saving design, and the ability to supply hot water instantly, reducing wait times.
4:What size do I need?
Select a size based on your household’s hot water needs, considering peak usage times and flow rate requirements.
5:Are they energy efficient?
Yes, they are generally more energy-efficient than traditional water heaters, as they only heat water when needed.
6:How much do they cost?
Prices vary based on brand and capacity, typically ranging from $200 to $800 for a quality unit.
7:What maintenance is required?
Regular maintenance includes descaling the unit and checking the heating elements for optimal performance.
8:Can they be used in colder climates?
Yes, but ensure the unit is properly insulated and installed to prevent freezing in extreme temperatures.
Conclusion
Both the Rheem 18kW Tankless Electric Water Heater and the ORBEK 14kW Electric Tankless Water Heater exemplify efficiency and innovation in modern hot water solutions. The Rheem model stands out with its robust heating capacity and reliability, catering to larger households with demanding hot water needs.
Conversely, the ORBEK unit appeals to those seeking a compact yet powerful alternative, ideal for smaller spaces without compromising performance. Together, these products illustrate the remarkable advancements in electric water heating technology, offering consumers versatile options tailored to diverse requirements.