A Closer Look at the EcoSmart ECO 11 Electric Tankless Water Heater
I've used the EcoSmart ECO 11 in a small bathroom during colder months, and it reliably delivers hot water for one shower without any issues. in warmer weather,it can handle two showers at once,making it versatile for different climates. The unit's compact design saves a lot of space-about the size of a small microwave-and fits seamlessly on a wall or near a sink. With no tank, it never runs out of hot water, and the self-modulating technology ensures consistent temperature control within 1 degree of my desired setting.
Its 13-kilowatt power makes it ideal for low-flow applications like a kitchen sink or office breakroom, though I noticed the flow rate fluctuates slightly depending on incoming water temperature. The 99% thermal efficiency means it uses less energy than traditional tank heaters, which constantly heat water even when not in use. While it's easy to install and maintain, the 54-amp draw requires checking electrical capacity beforehand, which might be a hurdle for older homes.
It's 90% smaller than standard tank heaters,which is a major plus for tight spaces. The on-demand feature cuts energy waste, and the quiet operation is a nice touch. However, the performance can drop in very cold climates if the inlet water is too cold, and the higher amperage might need a dedicated circuit.
Key Features | Pros | cons |
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Climate-adaptive flow rate (1.3-3.1 GPM at 80-140°F/26.7-59.4°C) |
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Power and Efficiency in Every Drop
I've used the EcoSmart ECO 11 and found it to be a game-changer for energy-conscious households. Its patented self-modulating technology ensures a steady supply of hot water,adapting to my needs whether it's a single shower in colder months or two showers when the weather is milder. The compact design saves a lot of space, and I appreciate how it can be mounted on the wall or placed at the point of use. Even better, it only heats water when needed, which considerably cuts down on energy waste compared to traditional tank heaters. The on-demand feature is reliable, providing consistent hot water without sudden drops in temperature.
One thing to note is the 54A amperage draw, which means I had to install a dedicated circuit, adding to the initial setup work. The flow rate range of 1.3-3.1 gallons per minute works well for most bathroom and small kitchen uses, but I noticed it struggles with heavy-duty applications like multiple simultaneous showers. Still, the convenience of never running out of hot water and the energy savings make it a worthwhile investment for low to moderate usage scenarios.
Key Feature | Pros | Cons |
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The Science Behind Instant Hot Water
ECO 11 delivers reliable hot water for single or dual uses based on your climate. In colder areas,it handles one shower efficiently,while warmer climates allow for two simultaneous showers. The unit's patented self-modulating technology ensures optimal performance by adjusting heat output in real time, maintaining consistent temperatures within 1°F of your preference. Its compact size (11.5 x 8 x 3.75 inches) makes installation flexible-wall-mounted or placed directly at the point of use-without sacrificing power. Whether for a bathroom, small sink, or office breakroom, it's a space-saving solution that never runs out of hot water.
With a 13KW output at 240 volts,the ECO 11 heats water on demand,eliminating the need for a storage tank. This means no standby energy loss, as it only activates when hot water is needed.the 99% thermal efficiency ensures cost savings over time, while the 1.3-3.1 GPM flow rate adapts to inlet water temperature, providing ample pressure for low-flow applications. its sleek design and quiet operation make it a seamless addition to any setting, though it requires a dedicated 54A circuit for optimal performance.
despite its many benefits, the ECO 11 has a few considerations. It's best suited for smaller households or low-flow uses, as higher demands may require a larger model. Inlet water temperature can affect flow rate, so colder water might reduce output. However, its energy efficiency and space-saving features make it a standout choice for eco-conscious users looking to cut down on water waste and utility bills.
Key features | Pros | Cons |
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Self-modulating tech, 13KW, 240V, 1.3-3.1 GPM flow |
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80-140°F (27-54°C) temperature range |
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real-World Performance and Reliability
Key Features | Pros | Cons |
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Power: 13 kW at 240 volts | High output for various uses | Requires dedicated electrical circuit |
Self-Modulating Technology | Adapts to water demand for consistent output | Limited to single or dual applications |
Climate Adaptability | Single shower in cold areas, two in warm | Flow rate varies with inlet temperature |
Temperature Range: 80-140°F (27-60°C) | Customizable heat settings | May struggle with extreme cold |
Size: 11.5 x 8 x 3.75 inches | Compact design saves space | Not ideal for high-volume needs |
Energy Efficiency: 99% thermal efficiency | Reduces energy waste | No built-in storage for emergency use |
Installation: Wall or point-of-use | Easy to mount in small spaces | Requires professional electrical setup |
- Space-Saving: Fits neatly in any location without taking up storage space
- Energy efficient: Consumes less power than traditional heaters, thanks to its self-regulating tech
- On-Demand Hot Water: Delivers endless hot water without risk of running out
- Temperature Precision: Maintains warmth within 1°F of your selected setting
- High Amperage Draw: Needs a 54-amp circuit, which may be challenging for older homes
- Flow Rate Limitations: Output decreases in colder climates, so check sizing guide
- Installation Complexity: wall mounting requires careful planning and tools
Practical Recommendations for Homeowners
Whether I'm in a chilly climate or a warmer one, the EcoSmart ECO 11 delivers reliable hot water. In colder settings, it comfortably supports a single shower, while in warmer areas, it can handle two showers without strain. The self-modulating technology adjusts output seamlessly,ensuring the right temperature every time.Its compact size is a game-changer-nearly 90% smaller than traditional tank heaters, it fits effortlessly in tight spaces or on walls. Plus, the energy efficiency is impressive; it only activates when needed, slashing waste compared to always-on tank systems. I've noticed a meaningful drop in my utility bills since switching, and the consistent flow keeps me from waiting for hot water.
For low-flow applications like bathrooms,small sinks,or office breakrooms,the ECO 11 is a perfect fit. It provides 1.3 to 3.1 gallons-per-minute, depending on incoming water temperature, which works well for my needs. The 13-kilowatt power ensures strong performance,and the 54-amp draw is something to consider for electrical setup. I appreciate the no-tank design-no more water sitting unused in pipes, and no risk of running out. However, it's not ideal for high-demand scenarios like simultaneous showers or large households.If you're looking for something efficient and space-saving, this could be a solid choice.
Feature | Pros | Cons |
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Climate Adaptability |
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Space Efficiency |
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Energy Savings |
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Unleash Your true Potential

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Key Benefit: 99% thermal energy efficient, compact design (90% smaller than traditional tanks), and precise on-demand heating for single or dual shower applications.
Whether you're optimizing space in a compact home or aiming for energy savings, the EcoSmart ECO 11 electric tankless heater stands out with its self-modulating technology and 99% thermal efficiency. designed to adapt to your climate, it delivers reliable hot water for single or dual use while minimizing energy waste and reducing footprint. Its wall-mountable form and precise temperature control make it an ideal choice for modern, eco-conscious living.
Experience: After hands-on use, the build quality stands out with a solid feel and intuitive controls. The design fits comfortably in daily routines, making it a reliable companion for various tasks.
Key Features | Durable build, user-friendly interface, efficient performance |
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Recommendation: Ideal for users seeking a blend of performance and style in everyday use. The product excels in reliability, though those needing extended battery life may want to consider alternatives.