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

Transform your hot water experience with a small tankless water heater, offering instant comfort and efficiency.

A small tankless water heater is an ideal solution for instant hot water needs. The ECOTINYMACH 110V provides 3000W of power, ensuring you have hot water whenever you need it. Its compact design is perfect for under-sink installations, making it a versatile choice for kitchens and bathrooms.

These heaters are perfect for various applications, from washing dishes to showering. The BOSCH Tronic 3000 T mini-tank model quickly eliminates the wait for hot water, while its flexible mounting options make installation a breeze.

In this review, you will learn about the benefits and features of these heaters, helping you choose the perfect unit for your needs. Stay tuned for a detailed comparison.

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small tankless water heater

ECOTINYMACH 110V Tankless Water Heater

#1 CHOICE

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

ECOTINYMACH 110V Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The ECOTINYMACH 110V Tankless Water Heater is a compact solution for instant hot water needs, especially in small spaces. Its design, measuring just 12 inches in length, allows it to fit seamlessly under sinks or in tight areas, making it an excellent choice for apartments or tiny homes. The heater boasts a capacity to hold 5 liters without tipping, ensuring stability during use.

This unit is user-friendly, featuring a convertible temperature scale that allows you to switch between Fahrenheit and Celsius, accommodating various preferences. Installation is straightforward, requiring minimal effort, which is ideal for those who may not have extensive plumbing experience. Additionally, being electric and tankless, it promotes energy efficiency, helping to lower utility bills while minimizing environmental impact.

However, it’s important to note that the ECOTINYMACH has no dishwasher-safe parts, which may require manual cleaning. This could be a consideration for users looking for low-maintenance options.

Overall, the ECOTINYMACH 110V Tankless Water Heater is a practical pick for small spaces, providing convenience and efficiency for anyone needing quick access to hot water.

To buy this product, click here.

Stiebel Eltron 3000W Tankless Water Heater

#2 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

Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink: 12” long, ABS plastic, 2-year warranty.

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Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Tankless Water Heater Electric 110V is a compact solution for instant hot water needs. With a power output of 3000W, it can quickly raise water temperature by up to 82°F (28°C) in just 3-5 seconds. This efficiency eliminates the frustrating wait for hot water, making it ideal for kitchens and bathrooms.

Safety features are robust, including IPX4 waterproofing, leakage protection, and dry-burning protection. The heater automatically powers off in cases of over-temperature, ensuring user safety. Its lightweight and portable design allows for easy installation under sinks, saving valuable space.

Installation is straightforward, with premade screw holes and an included English manual. The heater is suitable for various settings, including apartments, RVs, and even camping. The 5L capacity is impressive for such a small unit, providing ample hot water without tipping issues.

However, it is important to note that there are no dishwasher-safe parts, which may be a drawback for some users. Overall, the Tankless Water Heater Electric 110V is a practical pick for small spaces, delivering reliable performance and convenience.

To buy this product, click here.

BOSCH Tronic 3000 T Mini-Tank Water Heater

#3 CHOICE

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

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, premium glass-lined material, 2-year warranty.

Benefits

  • Holds 2.5 gallons and provides hot water right where you need it.
  • Thermal efficiency rated at 98% for optimal performance.
  • Fast recovery rate allows for on-demand hot water for up to two sinks simultaneously.
  • Easy to install with independent installation via a 36-37″ power cord.

Drawbacks

  • Noisy operation during heating cycle may be noticeable.
  • No dishwasher-safe parts, requiring manual cleaning.

This compact water heater is a practical pick for small spaces. Its ability to fit under sinks makes it ideal for apartments or homes with limited room. The high thermal efficiency ensures you won’t waste energy while waiting for hot water. If you need quick access to hot water without extensive plumbing work, the BOSCH Mini-Tank is a reliable solution. However, be aware of the noise during operation and the need for manual cleaning. Overall, it stands out for its convenience and efficiency in small living areas.

To buy this product, click here.

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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

Mini Tankless Water Heater Electric 110V ~ 120V for Sink: 10.95” x 7.4” x 2.52”, cast aluminum heating element, 2-year warranty.

Benefits

  • Provides on-demand heating for single faucet use, delivering hot water at 115°F and 0.66GPM.

Drawbacks

  • Requires hardwiring with 10AWG wire and a 40A double pole circuit breaker.

The Mini Tankless Water Heater is designed for efficiency, making it an ideal choice for small spaces. Its compact size allows for easy installation under sinks or cabinets, ensuring you have hot water exactly where you need it. The touch control panel and digital temperature display make adjustments straightforward, allowing you to set the temperature in 1° increments for precise control.

With a powerful 4.5kW heating element, this unit is capable of providing hot water rapidly without the wait associated with traditional heaters. The use of SUS 304 stainless steel for the water tube enhances durability and reduces the risk of mineral buildup, ensuring longevity and reliable performance.

However, users should be aware that this model is not designed for DIY installation; it requires professional hardwiring. Additionally, there are no dishwasher-safe parts, which may limit cleaning options. Overall, this heater is a practical pick for small spaces that need efficient hot water solutions.

To buy this product, click here.

Stiebel Eltron Electric Tankless Water Heater

#5 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

Tankless Water Heater Electric 110V: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Tankless Water Heater Electric 110V is a compact and efficient solution for instant hot water needs. With a powerful 3000W output, it can raise water temperatures quickly, making it ideal for kitchens and bathrooms. The sleek ABS plastic design fits seamlessly in small spaces, and its 12-inch length ensures it can be installed under sinks without hassle.

One of the standout features is its ability to provide continuous hot water on demand, eliminating the wait associated with traditional water heaters. The digital display offers easy temperature control, allowing users to switch between Fahrenheit and Celsius effortlessly. Safety features like IPX4 waterproofing, leakage protection, and automatic shut-off enhance reliability during use.

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However, it’s important to note that this unit is not suitable for dishwashers, as it lacks dishwasher-safe components. Additionally, proper installation is crucial; it must be mounted vertically to function correctly.

This water heater is a practical pick for small spaces, making it an excellent choice for apartments, RVs, or any area where traditional water heaters are impractical. With a 2-year warranty and responsive customer service, it offers peace of mind for users seeking a reliable hot water solution.

To buy this product, click here.

Faq about small tankless water heater:

1:What is a small tankless water heater?

A small tankless water heater heats water on demand without a storage tank, providing hot water instantly as needed.

2:How does a small tankless water heater work?

It uses electric coils or gas burners to heat water directly as it flows through the unit, eliminating standby heat loss.

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

Benefits include endless hot water, energy efficiency, space-saving design, and reduced utility bills.

4:How do I choose the right size?

Consider your hot water needs, such as the number of fixtures in use simultaneously, and consult manufacturer sizing guides.

5:Are small tankless water heaters energy-efficient?

Yes, they are typically more energy-efficient than traditional water heaters, as they heat water only when needed.

6:What maintenance do they require?

Regular descaling, checking filters, and inspecting for leaks are essential for optimal performance and longevity.

7:Can I install it myself?

While some may attempt DIY installation, professional installation is recommended for safety and compliance with local codes.

8:What is the lifespan of a small tankless water heater?

They generally last 15 to 20 years with proper maintenance, surpassing traditional tank models.

Conclusion

The ECOTINYMACH 110V Tankless Water Heater epitomizes efficiency, delivering instantaneous hot water with remarkable energy conservation, making it an ideal choice for compact living spaces. Its user-friendly design and affordability further enhance its appeal, positioning it as a frontrunner in the market.

Conversely, the Stiebel Eltron 3000W Tankless Water Heater showcases superior engineering, offering robust performance and reliability for larger demands. Its sophisticated technology ensures consistent temperature control and longevity, catering to consumers seeking a premium solution for their hot water needs.

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