85% of homeowners choose a small tankless hot water heater for energy efficiency and instant hot water.
This preference drives the popularity of the Tankless Water Heater Electric 110V, which delivers 3000W of on-demand hot water, ensuring you never run out during peak usage.
What many don’t realize is that its compact design saves valuable space, making it perfect for smaller kitchens and bathrooms.
Our review explores the long-term value of this model compared to its competitors.


Ecosmart Electric Tankless Water Heater 3000W
Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink: 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 on-demand hot water needs. With a power output of 3000W, it can raise the water temperature quickly, providing hot water in just 3-5 seconds. The LED display is user-friendly, allowing you to set your preferred temperature in Fahrenheit or Celsius easily.
Safety features are a highlight, including IPX4 waterproofing, leakage protection, and automatic power-off in case of overheating or inactivity. This ensures peace of mind during use. The lightweight and portable design makes it suitable for installation in small spaces like kitchens, bathrooms, and RVs, maximizing your available area.
However, it’s important to note that the parts are not dishwasher-safe, which may require additional cleaning effort. Installation is straightforward, thanks to premade fixing screw holes and an English manual, making it accessible for most users.
This water heater is a practical pick for small spaces, offering convenience and efficiency for those who need instant hot water without the bulk of traditional heaters.
To buy this product, click here.
EcoSmart ECO 11 Electric Tankless Water Heater
EcoSmart ECO 11 Electric Tankless Water Heater: 11.5” x 8” x 3.75”, ABS plastic, 2-year warranty.
Benefits
- Provides endless hot water with a flow rate of 1.3 to 3.1 gallons per minute.
Drawbacks
- Requires 54 amps of electrical draw, which may necessitate a service upgrade.
The EcoSmart ECO 11 is designed for efficiency, delivering hot water on demand without the bulk of traditional heaters. It is 90% smaller than conventional tank models, making it an excellent choice for small spaces like bathrooms or office breakrooms. The unit’s self-modulating technology ensures consistent water temperature, maintaining performance within 1 degree of your selected setting.
While it excels in energy efficiency, with 99% thermal energy efficiency and only heating water when needed, users should note that it requires a significant amperage draw, which can be a drawback for some. Additionally, installation may require professional assistance if electrical upgrades are necessary.
Overall, the EcoSmart ECO 11 is a practical pick for those seeking an efficient and compact solution for hot water needs without the hassle of a bulky tank. Its innovative design and performance make it a standout option for anyone looking to save space and energy.
To buy this product, click here.
Stiebel Eltron 3000W Tankless Water Heater
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 power output of 3000W, it can raise water temperatures significantly in seconds, making it ideal for kitchens and bathrooms. Its sleek design allows for easy installation in small spaces, ensuring that you have hot water on demand without the hassle of preheating.
This unit offers multiple safety features, including IPX4 waterproofing and dry boil protection, which enhance its reliability. The thermal efficiency of 98% means you can enjoy hot water while saving energy. However, it is important to note that this heater is not suitable for showers, as it requires a minimum flow rate of 1.8 GPM.
Installation is straightforward with premade fixing screw holes and a standard interface, though it must be installed vertically to function correctly. Despite its benefits, be aware that none of the parts are dishwasher-safe, which may require additional cleaning effort.
A practical pick for small spaces, this tankless water heater is an excellent choice for anyone seeking convenience and efficiency in their hot water supply.
To buy this product, click here.
ThermoMate Electric Tankless Water Heater
Tankless Water Heater Electric for Single Sink Faucet, ThermoMate 3500W 120V: 7.9″ x 6.4″ x 2.5″, cast aluminum heating element, SUS 304 stainless steel water tube, 2-year warranty.
Benefits
- Provides hot water on demand in seconds, perfect for point-of-use applications.
- Temperature setting range from 86°F – 131°F for customizable comfort.
- 99.8% energy efficiency with self-modulating power to save on energy costs.
- Compact size fits easily under sinks or in tight spaces.
- Touch control panel and digital temperature display allow for precise adjustments in 1° increments.
Drawbacks
- Requires hardwiring and a specific electrical setup, which may complicate installation.
- No dishwasher-safe parts, requiring manual cleaning.
This tankless water heater is ideal for small spaces where traditional water heaters won’t fit. Its compact design and efficient operation make it a practical choice for homes, salons, and businesses needing quick access to hot water. With its sleek appearance and advanced features, it stands out as a reliable solution for immediate hot water needs.
To buy this product, click here.
BOSCH Tronic 3000 T 2.5-Gallon Water Heater
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, glass-lined tank, 2-year warranty.
Benefits
- Provides hot water on demand for up to 2 sinks simultaneously.
Drawbacks
- Requires a 120-volt outlet for independent installation.
This mini-tank water heater is an excellent solution for those who need quick access to hot water in small spaces. With a thermal efficiency of 98%, it ensures that you won’t be waiting long for hot water at your sink. The compact size allows it to fit conveniently under your sink, making it ideal for apartments or homes with limited space.
Installation is straightforward, as it can be shelf, wall, or floor mounted. The included bracket makes mounting easy. The 36-37″ cord plugs into a standard outlet, allowing for flexibility in placement. However, it’s important to note that while the heater is designed for durability, it does not have any dishwasher-safe parts, which may require careful cleaning.
A practical pick for small spaces, the BOSCH Electric Mini-Tank Water Heater delivers reliable performance and eliminates the long wait for hot water, enhancing your daily convenience.
To buy this product, click here.
Faq about small tankless hot water heater:
1: What is a small tankless hot water heater?
A small tankless hot water heater heats water on demand without a storage tank, providing instant hot water for small spaces.
2: How does a small tankless hot water heater work?
It uses electric coils or gas burners to heat water as it flows through the unit, ensuring a continuous supply of hot water.
3: What are the benefits of a small tankless hot water heater?
Benefits include energy efficiency, space savings, and an endless supply of hot water, reducing heating costs over time.
4: How do I choose the right size for my needs?
Select a model based on your peak hot water demand, considering the number of fixtures and simultaneous usage.
5: Are small tankless hot water heaters energy efficient?
Yes, they typically have a higher energy efficiency rating than traditional heaters, as they heat water only when needed.
6: What maintenance is required?
Regular descaling and checking for mineral buildup are essential to maintain efficiency and prolong the unit’s lifespan.
7: Can I install a small tankless hot water heater myself?
While some may attempt DIY installation, professional installation is recommended for safety and optimal performance.
Conclusion
The Ecosmart Electric Tankless Water Heater 3000W exemplifies efficiency and innovation, delivering on-demand hot water while optimizing energy consumption. Its compact design and advanced technology make it an ideal choice for modern households seeking sustainability without sacrificing performance.
Conversely, the EcoSmart ECO 11 Electric Tankless Water Heater stands out for its remarkable heating capacity and user-friendliness, ensuring consistent hot water supply for various domestic applications. Both products epitomize the evolution of water heating solutions, catering to diverse consumer needs with their unparalleled reliability and eco-conscious features.





