Top 5 Small Hot Water Heaters That Will Transform Your Bathroom Experience

For homeowners, the best small hot water heater for bathroom ensures comfort without high energy bills.

The Thermomate Mini Tank Water Heater is perfect for small spaces, delivering instant hot water right where you need it. With a capacity of 1.32 gallons, it fits seamlessly under sinks, providing convenience for daily tasks.

From kitchens to bathrooms, these heaters adapt to various setups, ensuring you enjoy hot water on demand. The ES150 Tankless Water Heater and other options offer flexibility for any home.

We detail pros, cons, and hidden perks ahead.

best small hot water heater for bathroombest small hot water heater for bathroombest small hot water heater for bathroom
best small hot water heater for bathroom

Thermomate Mini Tank Electric Water Heater

#1 CHOICE thermomate Mini Tank Water Heater Electric, 1.32 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, UL Listed ES150

Thermomate Mini Tank Water Heater Electric: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 1.32 gallons without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Thermomate Mini Tank Water Heater is an efficient solution for instant hot water needs in small spaces. With a compact design measuring 11.42″ x 11.42″ x 9.65″, it easily fits under sinks and can be wall or floor mounted. This water heater provides a capacity of 1.32 gallons, ensuring you have enough hot water for your daily tasks without any risk of tipping over.

One of its standout features is the adjustable thermostat, allowing you to set temperatures between 77°F and 140°F. This flexibility, along with high-temperature limit protection and a freeze mode, makes it a reliable choice for various climates. The glass-lined tank and Incoloy 800 stainless steel heating element ensure durability and excellent insulation, contributing to its high thermal efficiency of up to 99%.

However, it’s important to note that this unit has no dishwasher-safe parts, which may be a consideration for some users. Overall, the Thermomate Mini Tank Water Heater is a practical pick for small spaces, providing quick access to hot water without the wait.

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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.

Benefits

  • Holds 5L without tipping.
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Drawbacks

  • No dishwasher-safe parts.

This tankless water heater is an impressive solution for those seeking instant hot water. With a powerful 3000W output, it can quickly heat water by 82°F in just a few seconds, making it ideal for kitchens and bathrooms. Its compact design allows for easy installation under sinks, saving valuable space in small areas.

Safety features are a standout aspect, including IPX4 waterproofing, leakage protection, and dry-burning prevention. These ensure reliable operation, giving users peace of mind. The unit is also lightweight, making it convenient for various applications like RVs and camping.

However, it’s important to note that there are no dishwasher-safe parts, which could be a drawback for some users. Overall, this electric water heater is a practical pick for small spaces, providing on-demand hot water without the hassle of traditional tanks. With a 2-year warranty, it promises durability and performance for years to come.

To buy this product, click here.

Generic Electric Tankless Water Heater

#3 CHOICE Generic Tankless Water Heater Electric, Instant Hot Water Heater Under Sink, 3000W 110V On Demand Mini Water Heater for RV Kitchen Bathroom, White

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

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Generic Tankless Water Heater is a compact solution designed for small spaces, making it perfect for apartments, RVs, and bathrooms. With a powerful 3000W at 110V, it can quickly raise water temperatures by 45°F at a flow rate of 0.3GPM, ensuring you have hot water on demand. The unit features a durable construction with a 304 stainless steel lining and a sturdy ABS shell, providing longevity and reliability.

One of its standout features is the automatic standby mode, which keeps the system ready for use at any time, enhancing convenience. The one-touch operation simplifies the process, allowing you to adjust the temperature easily. However, it’s important to note that this heater is not suitable for shower use, as it does not meet the required flow rate for that application.

Installation is straightforward, but users must ensure it is mounted vertically to avoid malfunctions and use Teflon tape on pipe connectors to prevent leaks. Overall, the Generic Tankless Water Heater is a practical pick for small spaces, providing efficient heating without taking up much room.

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EcoSmart Electric Tankless Water Heater

#4 CHOICE Tankless Water Heater, Electric Instant Hot Water Heater for Shower, 2100W On Demand Rapid Heating, Mini Portable Water Heater for Bathroom, LCD Digital Display

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

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Tankless Water Heater is an excellent solution for those in need of a compact, efficient water heating system. With its 2100W on-demand heating technology, it delivers hot water almost instantly, making it ideal for small bathrooms where space is at a premium. The intelligent temperature control system ensures that water is heated consistently, providing safety and reliability.

This unit features essential safety mechanisms, including over-temperature protection and dry heating protection, ensuring peace of mind during use. Its IPX4 waterproof rating adds an extra layer of safety, making it suitable for bathroom environments.

However, potential buyers should note that it lacks dishwasher-safe parts, which may require manual cleaning. Despite this minor drawback, the benefits of rapid heating and compact design far outweigh the negatives.

A practical pick for small spaces, this water heater is perfect for anyone looking to maximize efficiency without sacrificing quality. Whether you need hot water for showers or washing, this unit is designed to meet your needs effectively.

To buy this product, click here.

MIZUDO 1.5 Gallon Electric Mini Tank Heater

#5 CHOICE Electric Mini Tank Water Heater - MIZUDO 1.5 Gallon Compact Storage Small Hot Water Heater Electric - 120V Point of Use On Demand Under Sink for Home Kitchen Bathroom, CSA Listed

Electric Mini Tank Water Heater – MIZUDO: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 1.5 gallons without tipping, making it ideal for small spaces.
  • Rapid temperature recovery with 1440W power ensures hot water is available quickly.
  • Compact design (10.1″W x 15.8″H x 10.9″D) fits under sinks and in tight areas.
  • Durable construction with corrosion and rust-resistant enamel coating for longevity.
  • Easy installation with standard 1/2″ NPT water connection and plug connection.
  • CSA certified for safety, including a high-temperature limiting device.

Drawbacks

  • No dishwasher-safe parts, limiting cleaning options.

A practical pick for small spaces, the MIZUDO Electric Mini Tank Water Heater is perfect for homes, RVs, and food trucks. Its efficient heating and compact design make it a reliable solution for instant hot water needs.

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Faq about best small hot water heater for bathroom:

1:What is a small hot water heater?

A small hot water heater is a compact unit designed to provide hot water for specific applications, typically in small spaces like bathrooms.

2:What are the benefits of a small hot water heater?

Benefits include energy efficiency, space-saving design, and the ability to deliver hot water on demand, reducing wait times.

3:How do I choose the best small hot water heater for my bathroom?

Consider factors like capacity, energy source (electric or gas), recovery rate, and installation requirements to select the best unit.

4:Are small hot water heaters energy efficient?

Yes, many small hot water heaters are designed for energy efficiency, helping to lower utility bills while providing adequate hot water supply.

5:Can I install a small hot water heater myself?

While some models are designed for easy installation, it is recommended to hire a professional for safety and compliance with local codes.

6:What is the average lifespan of a small hot water heater?

The average lifespan is typically 10 to 15 years, depending on maintenance and usage conditions.

7:Do small hot water heaters require regular maintenance?

Yes, regular maintenance, such as flushing the tank and checking the anode rod, can extend the lifespan and efficiency of the unit.

Conclusion

Both the Thermomate Mini Tank Electric Water Heater and the Stiebel Eltron 3000W Tankless Water Heater exemplify excellence in compact heating solutions. The Thermomate model stands out for its efficiency and ease of installation, making it ideal for small spaces, while the Stiebel Eltron offers unparalleled on-demand heating capabilities, ensuring a continuous supply of hot water.

Ultimately, the choice between these two remarkable products hinges on individual preferences for storage versus instant heating. Each presents innovative features tailored to enhance convenience, underscoring their prominence in the market for small hot water solutions.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.