Small Electric Tankless Water Heater – Are These 5 Choices Worth It?
Looking for efficient hot water solutions? The small electric tankless water heater delivers instant hot water on demand!
A small electric tankless water heater is a professional choice for those seeking efficiency. The EcoSmart ECO 11 Electric Tankless Water Heater offers patented self-modulating technology, ensuring energy savings while providing continuous hot water. Another great option is the Tankless Water Heater Electric 110V, perfect for under-sink installations, delivering on-demand hot water with a user-friendly digital display.
These heaters are versatile, making them ideal for various applications, from kitchen sinks to bathroom showers. Their compact design allows for easy installation in tight spaces, and they offer reliable performance without the need for bulky tanks.
In this full review, you will learn about the key benefits, features, and comparisons of these products, helping you choose the perfect solution for your hot water needs.
EcoSmart ECO 11 Electric Tankless Water Heater
The EcoSmart ECO 11 Electric Tankless Water Heater stands out with its patented self-modulating technology, ensuring endless on-demand hot water. This unit operates at 13KW at 240 volts and measures a compact 11.5 x 8 x 3.75 inches, making it ideal for installations in tight spaces.
Key Advantages
- The 316-grade stainless steel components resist corrosion, enhancing durability and longevity.
- With an impressive 99% thermal energy efficiency, it only heats water when needed, significantly reducing energy consumption compared to traditional tank heaters.
- Its continuous temperature monitoring maintains a consistent output within 1 degree of the selected temperature, ensuring reliable performance.
Limitations
- It is not compatible with high-flow applications, as it provides between 1.3 and 3.1 gallons-per-minute based on inlet water temperature, which may limit its use in larger households.
- Installation may require professional assistance if electrical upgrades are needed to support its amperage draw of 54 A.
This unit is best for outdoor enthusiasts or small spaces needing efficient, on-demand hot water solutions, such as bathrooms, small sinks, or office breakrooms. The EcoSmart ECO 11 is a practical choice for those seeking both space-saving design and energy efficiency in their hot water systems.
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Stiebel Eltron Tankless Electric Water Heater
The adjustable valve sets the Tankless Water Heater Electric 110V apart from its competitors. This innovative feature allows users to customize the water temperature according to their specific needs. Constructed from high-quality ABS material, this compact unit measures 15.7 x 7.5 x 4.3 inches, making it ideal for tight spaces under sinks.
Key Advantages
- The use of **316-grade stainless steel** components resists corrosion, ensuring durability and longevity. The heater operates at 3000W, capable of raising water temperatures by up to 82°F at a flow rate of 0.3 GPM, providing instant hot water without the wait. The thermal efficiency of the unit is an impressive 98%, optimizing energy use.
Limitations
- It is **not compatible** with shower installations, as showers typically require a minimum flow rate of 1.8 GPM.
This product is best for outdoor enthusiasts needing a reliable and compact hot water solution for kitchens, bathrooms, RVs, and camping. With multiple safety features, including IPX4 waterproofing and automatic power-off mechanisms, it ensures a secure and efficient hot water experience. Overall, the Tankless Water Heater Electric 110V stands out for its performance and design, making it a valuable addition to any home or outdoor setting.
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ThermoMate Mini Tankless Water Heater 4.5kW
The adjustable valve sets the Mini Tankless Water Heater Electric 110V ~ 120V apart from its competitors. This compact unit boasts a powerful 4.5kW heating capacity, ideal for on-demand hot water supply for single faucets. With dimensions of 10.95″ x 7.4″ x 2.52″, it fits seamlessly into tight spaces, making it perfect for under sinks and cabinets.
Key Advantages
- The cast aluminum heating element is separated from the water line, significantly reducing scale and corrosion, ensuring longevity. The SUS 304 stainless steel water tube further enhances durability and resistance to mineral buildup.
Limitations
- This unit is not compatible with standard 120V outlets without hardwiring, requiring a 10AWG wire and a 40A double pole circuit breaker for optimal performance.
Best for outdoor enthusiasts needing a reliable and compact hot water solution, this mini tankless water heater excels in providing instant hot water while conserving space. Its touch control panel and digital temperature display allow for precise adjustments in 1° increments, making it user-friendly. With an IP25 waterproof rating, it is designed to withstand moisture, ensuring safe operation in various environments. Overall, the Mini Tankless Water Heater is a robust choice for those seeking efficiency and convenience in their hot water needs.
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ECOTINYMACH 110V Tankless Electric Water Heater
The adjustable valve sets the ECOTINYMACH 110V Tankless Water Heater apart from competitors. This compact unit, made from high-quality 316-grade stainless steel, ensures durability and resists corrosion, making it ideal for long-term use. With dimensions of 12 x 8 x 4 inches, it fits snugly under sinks, maximizing space efficiency without compromising performance.
Key Advantages
- The 3000W heating capacity provides rapid water heating, ensuring you have hot water on demand. The electric design eliminates the need for bulky tanks, while the energy-efficient operation significantly reduces energy consumption.
Limitations
- Not compatible with other heating systems that require a tank, making it unsuitable for users seeking a traditional water heating solution.
Best for outdoor enthusiasts needing a reliable and efficient water heating solution while camping or in remote locations. The convertible temperature scale allows users to monitor water temperature in either Fahrenheit or Celsius, catering to diverse preferences. Overall, the ECOTINYMACH 110V Tankless Water Heater is an excellent choice for those who value efficiency, compact design, and ease of installation.
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EcoSmart Tankless Electric Water Heater 5500W
The adjustable valve sets the Tankless Electric Water Heater 5500W apart as a leading choice for on-demand hot water solutions. Constructed from 316-grade stainless steel for the heating pipe and a 304 stainless steel lining, this unit boasts durability and corrosion resistance. With dimensions designed to fit under sinks, it is compact and efficient, ensuring seamless integration into any space.
Key Advantages
- The heater’s IPX4 waterproof rating enhances safety, while features like dry burning protection and overheating protection elevate its reliability. The touch control interface allows users to easily adjust temperatures, displayed in either Fahrenheit or Celsius, catering to personal preferences. Its frequency conversion design optimizes energy consumption, achieving up to 99% thermal efficiency during low water flow.
Limitations
- This unit is not compatible with traditional tank systems, requiring a dedicated electrical setup for optimal performance.
Best for outdoor enthusiasts needing a compact, efficient solution for instant hot water in kitchens, bathrooms, or RVs, the Tankless Electric Water Heater 5500W is an intelligent choice that combines safety, functionality, and modern design.
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Faq about small electric tankless water heater:
1: What is a small electric tankless water heater?
A small electric tankless water heater heats water on demand without storing it, providing instant hot water for various uses.
2: How does a small electric tankless water heater work?
It uses electric heating elements to warm water as it flows through the unit, eliminating the need for a storage tank.
3: What are the benefits of using a small electric tankless water heater?
Benefits include energy efficiency, continuous hot water supply, space-saving design, and lower operating costs compared to traditional heaters.
4: Is installation difficult for a small electric tankless water heater?
Installation is generally straightforward, but it may require professional help for optimal performance and compliance with local codes.
5: How much energy can I save with a small electric tankless water heater?
You can save 20-30% on energy bills compared to conventional water heaters due to reduced standby heat loss.
6: What maintenance is required for a small electric tankless water heater?
Regular descaling and checking for mineral buildup are essential to maintain efficiency and prolong the unit’s lifespan.
7: What is the lifespan of a small electric tankless water heater?
Typically, these units last 15-20 years with proper maintenance, significantly longer than traditional tank heaters.
Conclusion
Both the EcoSmart ECO 11 and Stiebel Eltron Tankless Electric Water Heaters exemplify cutting-edge efficiency and convenience in modern water heating solutions. The EcoSmart model is lauded for its compact design and energy-saving capabilities, making it an ideal choice for those seeking optimal performance in limited spaces.
Conversely, the Stiebel Eltron unit stands out with its robust engineering and consistent output, catering to larger demands without sacrificing energy efficiency. Together, these products illustrate the advancements in electric tankless technology, providing consumers with reliable and eco-friendly options for their hot water needs.