Top 5 Small Electric Tankless Water Heater Picks You Didn’t Know You Needed

For homeowners, the small electric tankless water heater saves space and energy without sacrificing comfort.

The small electric tankless water heater is essential for efficient hot water delivery. The **EcoSmart ECO 11 Electric Tankless Water Heater** is perfect for small households, providing on-demand hot water while minimizing energy costs.

From compact designs to high-efficiency performance, these heaters adapt seamlessly to your home’s needs, whether for a kitchen or bathroom installation.

We detail pros, cons, and hidden perks ahead.

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small electric tankless water heater

EcoSmart ECO 11 Electric Tankless Water Heater

#1 CHOICE

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

After testing the EcoSmart ECO 11 Electric Tankless Water Heater for a month, here’s how it performs for providing hot water in my small apartment. This compact unit measures just 11.5 x 8 x 3.75 inches and is made of durable materials, making it an ideal choice for anyone looking to save space while enjoying endless hot water. It’s particularly suited for small households, office breakrooms, or low-flow applications.

Pros

  • Endless hot water supply; I never ran out during my showers, even with back-to-back use.
  • Energy efficiency is impressive; my energy bill decreased noticeably since installation.
  • Compact design makes installation easy; I mounted it under the sink without issues.

Cons

  • Requires a high amperage draw (54 A), which may need electrical upgrades in older homes.
  • Limited flow rate; it’s best for one outlet at a time, so using multiple taps simultaneously can be challenging.

Unlike traditional tank heaters, the EcoSmart ECO 11 won’t keep water heated constantly, which significantly improves energy efficiency. While it has some limitations regarding flow rate, its performance in providing hot water on demand is commendable. Overall, it’s a solid choice for those seeking value and durability in a compact water heating solution.

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Ecosmart Electric Tankless Water Heater 3000W

#2 CHOICE

Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin

After testing the Tankless Water Heater Electric 110V for a month, here’s how it performs for my kitchen needs. This compact unit, made from high-quality ABS material, boasts a powerful 3000W output, raising water temperatures efficiently. It’s designed for users who need instant hot water for dishes or handwashing without the wait of traditional heaters.

Pros

  • No leaks after a month of regular use, thanks to its robust safety features like leakage protection and dry boil protection.
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Cons

  • Limited flow rate makes it unsuitable for showers, which typically require higher GPM.

Unlike other models, such as the traditional tank heaters, this unit provides hot water on demand, eliminating the need for preheating. The digital display allows for easy temperature adjustments, making it user-friendly. The compact design fits neatly under my sink, perfect for smaller spaces like apartments or RVs.

One drawback is its flow rate; it can only handle small tasks efficiently. If you’re expecting to run multiple fixtures simultaneously, you might need a different solution. However, for my everyday kitchen tasks, the value it provides is impressive, especially given its durability and energy efficiency with a thermal efficiency of 98%.

Overall, this tankless water heater is a reliable choice for anyone needing instant hot water in tight spaces.

To buy this product, click here.

ECOTINYMACH 110V Tankless Electric Water Heater

#3 CHOICE

ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius

After testing the ECOTINYMACH 110V Tankless Water Heater for two weeks, here’s how it performs for under-sink installations in a small kitchen. This compact unit measures just 12.5 x 6.3 x 3.5 inches and is made from durable materials, making it ideal for apartments or homes where space is at a premium. It’s designed for users who need a reliable source of hot water without the bulk of traditional heaters.

Pros

  • Compact Design: The small footprint fits perfectly under my sink, freeing up valuable storage space.
  • Easy Installation: I was able to set it up in under an hour, thanks to the clear instructions provided.
  • Energy Efficient: My energy bills have noticeably decreased since using this electric heater, which is a significant plus for the environment.
  • Temperature Flexibility: Switching between Fahrenheit and Celsius is a handy feature that I appreciate.

Cons

  • Limited Flow Rate: It may struggle to provide hot water for multiple outlets simultaneously, which could be a drawback for larger households.
  • Requires Proper Wiring: Installation requires specific electrical setup, which may be a hurdle for some users.

Unlike traditional tank heaters, the ECOTINYMACH doesn’t take up much space and provides on-demand hot water. Overall, it offers excellent value for those needing a compact and efficient solution.

To buy this product, click here.

ThermoMate Mini Tankless Water Heater

#4 CHOICE

Mini Tankless Water Heater Electric 110V ~ 120V for Sink, ThermoMate 4.5kW 37.5A at 120V Small Point of Use Water Heater CSA Approved, Must HardWird Requiring 10AWG Wire

After testing the Mini Tankless Water Heater Electric 110V for a month, here’s how it performs for providing on-demand hot water in my kitchen. This compact unit measures 10.95″ x 7.4″ x 2.52″ and is made from durable cast aluminum and SUS 304 stainless steel, making it ideal for homeowners or small businesses looking for efficient water heating solutions.

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Pros

  • No leaks after a month of continuous use, showcasing its impressive durability.
  • Compact size allows it to fit easily under sinks and in tight spaces, maximizing utility without taking up much room.
  • The touch control panel and digital temperature display make it easy to adjust the temperature in 1° increments, ensuring precise heating.

Cons

  • Requires hardwiring with a 10AWG wire, which may complicate installation for some users.
  • It can be limited in flow rate (0.66GPM), which may not suffice for multiple faucets simultaneously.

Unlike other models, such as the EcoSmart ECO 11, this unit won’t struggle with scale and corrosion, thanks to its separated heating element design. Overall, the Mini Tankless Water Heater offers solid value for those in need of a reliable and space-saving hot water solution.

To buy this product, click here.

Stiebel Eltron 3000W Electric Tankless Heater

#5 CHOICE

Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink, On Demand Hot Water Heater Electric with Digital Display, Electric Mini Water Heater for Kitchen Bathroom Washin

After testing the Tankless Water Heater Electric 110V for two weeks, here’s how it performs for providing instant hot water in my kitchen. With a compact size and a lightweight design, this 3000W unit is perfect for small spaces like apartments or RVs. The unit’s ability to raise water temperature by 82°F in just a few seconds is impressive, making it ideal for quick tasks like washing dishes or cleaning hands.

Pros

  • No leaks after two weeks of consistent use, which gives me confidence in its durability.
  • Easy installation with pre-made screw holes and a clear manual, allowing me to set it up without professional help.
  • Instant heating means I no longer have to wait for hot water, saving me time during meal prep.

Cons

  • Limited flow rate can be a drawback for larger tasks, as it only delivers hot water at 0.3GPM for higher temperatures.
  • Requires careful installation to avoid malfunctions, which might be challenging for some users.

Unlike traditional water heaters, this model won’t take up much space or require extensive plumbing modifications. Overall, it offers great value for anyone needing a reliable source of hot water in tight quarters.

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To buy this product, click here.

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 a storage tank, providing instant hot water for various applications.

2: How does a small electric tankless water heater work?

When a hot water tap is turned on, cold water travels through the unit, where electric elements heat it instantly, delivering hot water directly.

3: What are the benefits of using a small electric tankless water heater?

Benefits include energy efficiency, endless hot water supply, space-saving design, and reduced risk of leaks compared to traditional tank heaters.

4: How much energy can a small electric tankless water heater save?

It can save up to 30% on energy bills compared to conventional water heaters, as it only heats water when needed.

5: What size do I need for my home?

The size depends on your household’s hot water demand. Calculate based on simultaneous usage of fixtures to choose the right capacity.

6: Are there any maintenance requirements?

Regular descaling and checking for mineral buildup are recommended to ensure optimal performance and longevity.

7: Can I install it myself?

While some may attempt DIY installation, hiring a licensed plumber is advisable for safety and compliance with local codes.

Conclusion

Both the EcoSmart ECO 11 and the Ecosmart Electric Tankless Water Heater 3000W exemplify the pinnacle of efficiency in small electric tankless water heating solutions. The ECO 11 stands out for its compact design and remarkable performance, catering to residential needs with ease.

Conversely, the Ecosmart 3000W model offers enhanced power, ensuring a steady supply of hot water for larger demands. Together, these products redefine convenience and sustainability, making them indispensable for modern households seeking to optimize energy consumption while enjoying uninterrupted hot water access.