Struggling with inconsistent hot water? The EcoSmart tankless water heaters provide an efficient solution for endless hot water on demand.
EcoSmart heaters, like the EcoSmart ECO 11 and EcoSmart ECO 27, are designed for energy efficiency and space-saving. Their patented self-modulating technology ensures optimal performance, making them ideal for both small apartments and large homes. Enjoy instant hot water without the wait, simplifying your daily routines.
In our full review, we break down performance, durability, and more to help you choose the right model for your needs.



EcoSmart ECO 11 Electric Tankless Water Heater
The adjustable valve sets the EcoSmart ECO 11 Electric Tankless Water Heater apart from competitors. This innovative feature allows users to customize the water flow rate, ensuring optimal performance tailored to specific needs. Constructed from high-quality materials, this unit features a durable design with dimensions of 11.5 x 8 x 3.75 inches, making it 90% smaller than traditional tank heaters, which facilitates easy installation in various settings.
Key Advantages
- The use of 316-grade stainless steel resists corrosion, enhancing longevity and reliability.
- With a power draw of 54 amps at 240 volts, the heater delivers consistent on-demand hot water, monitored continuously for efficiency.
- Its 99% thermal energy efficiency ensures that energy is only consumed when water is heated, significantly reducing waste compared to conventional systems.
Limitations
- Not compatible with larger applications requiring high flow rates, as it provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature.
- Installation may require professional assistance for optimal performance, especially in older homes.
Overall, the EcoSmart ECO 11 is best for outdoor enthusiasts needing a compact, energy-efficient solution for small-scale hot water demands, such as in bathrooms, small sinks, or office breakrooms.
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EcoSmart 27 kW Electric Tankless Water Heater
The adjustable valve sets the EcoSmart ECO 27 Tankless Water Heater apart from its competitors. This electric unit measures 17 x 17 x 3.75 inches and is constructed from high-quality materials, featuring a durable 316-grade stainless steel heat exchanger that resists corrosion and extends the lifespan of the unit.
Key Advantages
- With a thermal efficiency rating of 99%, this heater only heats water on demand, significantly reducing energy costs by up to 50%, as stated by the Department of Energy.
Limitations
- Not compatible with traditional tank systems, which may limit options for some users looking to replace existing setups.
Best for outdoor enthusiasts needing a reliable, space-saving solution for consistent hot water supply, the EcoSmart ECO 27 excels in whole-home applications, delivering between 2.7 and 6.5 gallons per minute based on inlet water temperature. Its digital temperature control allows for precise adjustments in 1-degree increments, ensuring optimal comfort. The unit requires a 200-amp electrical panel and three 40 AMP double pole breakers for installation, making it ideal for those with the necessary electrical infrastructure. With a limited lifetime warranty on electronics and components, the EcoSmart ECO 27 stands as a robust choice for efficient hot water heating.
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Ecosmart ECO 24 Electric Tankless Water Heater
The adjustable valve sets the Ecosmart ECO 24 apart from traditional tank water heaters. This feature allows users to customize the water temperature to their specific needs, enhancing efficiency and comfort. The unit measures 17 x 17 x 3.5 inches, making it a sleek and compact addition to any space.
Key Advantages
- The ECO 24 is constructed from 316-grade stainless steel, which resists corrosion and ensures longevity even in demanding environments.
- With a remarkable energy efficiency rating of 99.8 percent, this tankless water heater minimizes energy waste, leading to lower utility bills.
- The patented self-modulating technology optimizes energy consumption based on the demand for hot water, providing an eco-friendly solution.
Limitations
- The ECO 24 is not compatible with traditional water heater systems, requiring a dedicated electrical supply and specific plumbing adjustments.
- Installation can be complex, necessitating professional assistance for optimal performance.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Ecosmart ECO 24 is ideal for those who prioritize energy savings and demand consistent performance. Its durable construction and advanced technology make it a standout choice for eco-conscious consumers.
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Ecosmart ECO 36 Electric Tankless Water Heater
The adjustable valve sets the Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater apart from its competitors. This feature allows users to customize water flow and temperature, ensuring optimal performance for various applications. Constructed from high-quality materials, this unit features a sleek design and a compact footprint, making it suitable for tight spaces. It measures 17 x 18 x 4 inches and is designed for easy installation.
Key Advantages
- The heater boasts a **99.8-percent energy efficiency rating**, significantly reducing energy costs while providing continuous hot water. The **316-grade stainless steel** components resist corrosion, enhancing durability and longevity. Additionally, it is manufactured in the United States, ensuring high-quality craftsmanship.
Limitations
- The Ecosmart ECO 36 is **not compatible** with systems requiring a higher flow rate or those using incompatible pipe fittings, which may limit its application in certain setups.
In summary, the Ecosmart ECO 36 is best for outdoor enthusiasts needing an efficient, space-saving solution for hot water demands. Its advanced features and robust construction make it an excellent choice for anyone looking to upgrade their water heating system.
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EcoSmart 27 kW Tankless Electric Water Heater
The adjustable valve sets the EcoSmart ECOS 27 Tankless Electric Water Heater apart from its competitors. With a power output of 27 kW at 240 volts and a current draw of 112.5 amps, this unit is engineered for efficiency and performance. Its compact dimensions of 19 x 4.25 x 9.25 inches make it 90% smaller than traditional tank heaters, allowing for versatile installation options, whether mounted on a wall or positioned at the point of use.
Key Advantages
- The use of 316-grade stainless steel in its construction resists corrosion, ensuring durability over time.
Limitations
- Not compatible with certain plumbing systems, particularly older models that do not support tankless technology.
Best for outdoor enthusiasts needing a reliable, on-demand hot water solution for small sinks, bathrooms, or office breakrooms, the EcoSmart ECOS 27 excels in providing consistent hot water without the bulk of traditional systems. Its self-modulating technology continuously monitors water temperature and flow rates, delivering efficiency with 96% thermal energy efficiency. This product is ideal for those looking to save energy and space while enjoying the convenience of endless hot water on demand.
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Faq about best ecosmart tankless water heaters:
1:What are EcoSmart tankless water heaters?
EcoSmart tankless water heaters provide on-demand hot water by heating water as it flows through the unit, eliminating the need for a storage tank.
2:How do EcoSmart tankless water heaters work?
They use electric or gas heating elements to warm water instantly, ensuring a continuous supply of hot water without waiting for a tank to fill.
3:What are the benefits of using EcoSmart tankless water heaters?
Benefits include energy efficiency, space-saving design, longer lifespan, and the ability to provide hot water for multiple outlets simultaneously.
4:Are EcoSmart tankless water heaters energy efficient?
Yes, they are designed to be energy-efficient, using up to 60% less energy than traditional tank water heaters, which can significantly lower utility bills.
5:How do I choose the right EcoSmart tankless water heater?
Consider factors such as the flow rate needed, the climate of your location, and the number of appliances that will use hot water simultaneously.
6:What maintenance do EcoSmart tankless water heaters require?
Routine maintenance includes descaling to prevent mineral buildup and checking filters and vents to ensure optimal performance.
Conclusion
Both the EcoSmart ECO 11 and the EcoSmart 27 kW Electric Tankless Water Heaters exemplify superior efficiency and performance in modern water heating solutions. The ECO 11, with its compact design, is ideal for smaller households, delivering on-demand hot water while conserving energy. Meanwhile, the ECO 27 caters to larger residences, providing ample hot water for simultaneous usage across multiple outlets.
Ultimately, these innovative products not only enhance convenience but also contribute to sustainability, making them exemplary choices for environmentally conscious consumers. Their advanced technology ensures optimal temperature control and energy savings, solidifying their positions as frontrunners in the market.