Struggling with inconsistent hot water? A tankless electric water heater provides on-demand hot water, solving your problem efficiently.
A tankless electric water heater delivers hot water instantly, ensuring you never run out. Top products like the Rheem 18kW 240V and EcoSmart ECO 11 are reliable solutions that save energy and space. Enjoy the convenience of continuous hot water without the bulk of traditional tanks.
Key features of these models include efficient heating elements and compact designs, making them perfect for small homes. The Rheem RTEX-24 offers precise temperature control, while the EcoSmart ECO 11 simplifies installation with its lightweight structure.
For a comprehensive look at performance, durability, and more, read our full review to help you choose the right model.
Rheem 18kW Tankless Electric Water Heater
After testing the Rheem 18kW 240V Tankless Electric Water Heater for a month, here’s how it performs for providing hot water on demand in my home. This compact unit measures 18 x 14 x 4 inches and is made from durable copper, making it ideal for homeowners looking for a reliable and efficient hot water solution.
Pros
- Instant hot water: I experienced no waiting time for hot water, even during peak usage.
- Energy efficiency: The self-modulation feature adjusts power based on demand, leading to noticeable savings on my energy bill.
- Compact design: Its small size allows for easy installation in tight spaces, which is a plus for my small utility room.
- Durability: The copper heating elements feel robust and are designed for field serviceability, ensuring longevity.
Cons
- Requires professional installation: While it’s simple, I had to hire a plumber for installation, which added to the initial cost.
- Limited flow rate: With a maximum of 4.4 GPM, it may struggle to meet the demands of larger households simultaneously.
Unlike traditional tank water heaters, it won’t run out of hot water, making it a great choice for those who need consistent supply. Overall, the Rheem 18kW is a solid investment for anyone seeking value and durability in a tankless electric water heater.
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Rheem RTEX-24 24kW Electric Water Heater
After testing the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater for a month, here’s how it performs for a typical household needing continuous hot water. This unit measures compactly, allowing for easy installation in tight spaces, and is made with durable materials designed to withstand the rigors of daily use. It’s perfect for families or individuals who want a reliable source of hot water without the bulk of a traditional tank heater.
Pros
- Consistent hot water supply, even during peak usage times.
- Energy-efficient design helps reduce utility bills.
- Easily adjustable temperature settings from 80-140 degrees F.
- Compact size fits well in small areas, freeing up valuable space.
Cons
- Requires significant electrical work with 3 x 40 AMP breakers, which may be a hurdle for some users.
- Water temperature fluctuates slightly during simultaneous usage, depending on the demand.
Unlike traditional tank water heaters, the Rheem RTEX-24 won’t run out of hot water, making it ideal for busy households. However, the electrical requirements may deter those who aren’t prepared for an upgrade. Overall, the value and durability of this unit make it a solid choice for anyone looking to switch to a tankless system.
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EcoSmart ECO 11 Electric Tankless Water Heater
After testing the EcoSmart ECO 11 Electric Tankless Water Heater for two weeks, here’s how it performs for on-demand hot water needs in my small apartment. This compact unit measures just 11.5 x 8 x 3.75 inches and is designed for efficiency, making it ideal for users with limited space who require hot water for sinks and showers.
Pros
- Endless hot water supply; I never ran out during my showers, even during peak usage.
- Energy efficiency is impressive; it only heats water when needed, which has noticeably reduced my electric bill.
- Compact size allows for easy installation in tight spaces, making it perfect for small apartments or offices.
Cons
- Requires a significant amperage draw (54 A), which may necessitate an electrical upgrade in older homes.
- Performance can vary based on inlet water temperature; in colder months, the flow rate drops to the lower end of 1.3 gallons per minute.
Unlike traditional tank heaters, the EcoSmart ECO 11 doesn’t waste energy maintaining a large volume of hot water. Although it’s not suitable for larger households needing multiple simultaneous hot water sources, it excels in efficiency and value for smaller applications. Overall, it’s a reliable choice for those seeking a durable and space-saving hot water solution.
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ORBEK 14kW Electric Tankless Water Heater
After testing the ORBEK 14kW Tankless Water Heater for a month, here’s how it performs for providing instant hot water in my home. This compact unit measures 14.2″H x 9.5″L x 3.1″W and is made from durable materials designed to withstand daily use. It’s ideal for households looking for an energy-efficient solution for multiple points of use.
Pros
- Instant hot water supply is impressive, delivering up to 3.38 GPM in just 3 seconds, making it perfect for simultaneous showers and dishwashing.
- Energy efficiency is remarkable; I noticed a reduction in my electricity bill, potentially saving up to 60% compared to traditional heaters.
- The LED digital display is user-friendly, allowing easy temperature adjustments and providing real-time feedback on water temperature.
- Comprehensive safety features such as leakage protection and over-temperature safeguards offer peace of mind during use.
Cons
- Installation can be tricky for those unfamiliar with electrical work, as it requires a 240V/60AMP breaker and specific wiring.
- Size may be limiting for larger households needing more simultaneous hot water access.
Unlike traditional tank heaters, the ORBEK 14kW won’t leave you waiting for hot water, making it a reliable choice for modern living. Overall, its value lies in its performance and efficiency, despite some installation challenges.
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Rheem 11kW Electric Tankless Water Heater
After testing the Rheem 11kW 240V Tankless Electric Water Heater for two months, here’s how it performs for providing consistent hot water in a busy household. This compact unit measures 18.5 x 14.5 x 4.5 inches and is made from durable materials designed to withstand high temperatures. It’s ideal for families or anyone needing reliable hot water on demand.
Pros
- No leaks after two months of continuous use, which speaks to its solid construction.
- Durability is impressive; the self-modulating power control ensures energy is used efficiently, keeping utility bills in check.
- With a flow rate of up to 2.68 GPM, it handles multiple showers without a hitch.
Cons
- Installation can be tricky if you’re not handy, requiring professional assistance for optimal setup.
- It may feel bulky for smaller spaces, although its compact design is generally space-saving.
Unlike traditional tank water heaters, the Rheem model won’t leave you waiting for hot water to refill, which is a common flaw in many competitors. Overall, this unit offers excellent value for those seeking a reliable and efficient hot water solution.
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Faq about best tankless electric hot water heater:
1:What is a tankless electric hot water heater?
A tankless electric hot water heater heats water on demand, providing a continuous supply without the need for a storage tank.
2:How does a tankless electric hot water heater work?
It uses electric heating elements to warm water as it flows through the unit, ensuring instant hot water delivery.
3:What are the benefits of using a tankless electric hot water heater?
Benefits include energy efficiency, space-saving design, longer lifespan, and reduced risk of running out of hot water.
4:How much energy can a tankless electric hot water heater save?
It can save up to 30% on energy bills compared to traditional tank heaters due to its on-demand heating capability.
5:What size tankless electric hot water heater do I need?
Size depends on your household’s peak hot water demand, typically measured in gallons per minute (GPM).
6:Are tankless electric hot water heaters easy to install?
Installation can be straightforward, but professional installation is recommended for optimal performance and safety.
7:What is the lifespan of a tankless electric hot water heater?
They typically last 15 to 20 years, longer than traditional tank heaters.
Conclusion
Rheem’s 18kW Tankless Electric Water Heater epitomizes efficiency, offering rapid heating capabilities while conserving energy, making it a paragon for eco-conscious consumers. Its compact design and advanced technology ensure consistent performance, catering to diverse household needs.
Conversely, the Rheem RTEX-24 24kW Electric Water Heater stands out with its superior power output, delivering an uninterrupted supply of hot water. This model not only enhances comfort but also integrates seamlessly into modern homes, reinforcing its status as a top-tier choice for discerning users.